<?xml version="1.0" encoding="US-ASCII" ?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 6.5a -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
    <!-- Field: Doc-Info; Name: Misc; Value: +KIpo7xRiXgen8uAZHZcOaKCybPtxZ97+ekhsmRzbdn6Py8rm+eM8iIjnmuGoWQB -->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:us-gaap="http://fasb.org/us-gaap/2025" xmlns:us-types="http://fasb.org/us-types/2025" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:ecd="http://xbrl.sec.gov/ecd/2025" xmlns:country="http://xbrl.sec.gov/country/2025" xmlns:srt="http://fasb.org/srt/2025" xmlns:cyd="http://xbrl.sec.gov/cyd/2025" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:tachu="http://titan-spac.com/20251231" elementFormDefault="qualified" targetNamespace="http://titan-spac.com/20251231">
    <annotation>
      <appinfo>
        <link:roleType roleURI="http://titan-spac.com/role/Cover" id="Cover">
          <link:definition>00000001 - Document - Cover</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/BalanceSheets" id="BalanceSheets">
          <link:definition>00000002 - Statement - Balance Sheets</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/BalanceSheetsParenthetical" id="BalanceSheetsParenthetical">
          <link:definition>00000003 - Statement - Balance Sheets (Parenthetical)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/StatementsOfOperations" id="StatementsOfOperations">
          <link:definition>00000004 - Statement - Statements of Operations</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/StatementsOfChangesInShareholdersDeficit" id="StatementsOfChangesInShareholdersDeficit">
          <link:definition>00000005 - Statement - Statements of Changes in Shareholders' Deficit</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/StatementsOfCashFlows" id="StatementsOfCashFlows">
          <link:definition>00000006 - Statement - Statements of Cash Flows</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/DescriptionOfOrganizationBusinessOperationsAndGoingConcern" id="DescriptionOfOrganizationBusinessOperationsAndGoingConcern">
          <link:definition>999014 - Disclosure - DESCRIPTION OF ORGANIZATION, BUSINESS OPERATIONS, AND GOING CONCERN</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/SummaryOfSignificantAccountingPolicies" id="SummaryOfSignificantAccountingPolicies">
          <link:definition>999015 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/InitialPublicOffering" id="InitialPublicOffering">
          <link:definition>999016 - Disclosure - INITIAL PUBLIC OFFERING</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/PrivatePlacement" id="PrivatePlacement">
          <link:definition>999017 - Disclosure - PRIVATE PLACEMENT</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/SegmentInformation" id="SegmentInformation">
          <link:definition>999018 - Disclosure - SEGMENT INFORMATION</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/RelatedPartyTransactions" id="RelatedPartyTransactions">
          <link:definition>999019 - Disclosure - RELATED PARTY TRANSACTIONS</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/CommitmentsAndContingencies" id="CommitmentsAndContingencies">
          <link:definition>999020 - Disclosure - COMMITMENTS AND CONTINGENCIES</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/ShareholdersDeficit" id="ShareholdersDeficit">
          <link:definition>999021 - Disclosure - SHAREHOLDERS&#8217; DEFICIT</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/FairValueMeasurements" id="FairValueMeasurements">
          <link:definition>999022 - Disclosure - FAIR VALUE MEASUREMENTS</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/SubsequentEvents" id="SubsequentEvents">
          <link:definition>999023 - Disclosure - SUBSEQUENT EVENTS</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/SummaryOfSignificantAccountingPoliciesPolicies" id="SummaryOfSignificantAccountingPoliciesPolicies">
          <link:definition>999024 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/SummaryOfSignificantAccountingPoliciesTables" id="SummaryOfSignificantAccountingPoliciesTables">
          <link:definition>999025 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/SegmentInformationTables" id="SegmentInformationTables">
          <link:definition>999026 - Disclosure - SEGMENT INFORMATION (Tables)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/FairValueMeasurementsTables" id="FairValueMeasurementsTables">
          <link:definition>999027 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/DescriptionOfOrganizationBusinessOperationsAndGoingConcernDetailsNarrative" id="DescriptionOfOrganizationBusinessOperationsAndGoingConcernDetailsNarrative">
          <link:definition>999028 - Disclosure - DESCRIPTION OF ORGANIZATION, BUSINESS OPERATIONS, AND GOING CONCERN (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/SummaryOfSignificantAccountingPoliciesDetails" id="SummaryOfSignificantAccountingPoliciesDetails">
          <link:definition>999029 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/SummaryOfSignificantAccountingPoliciesDetails2" id="SummaryOfSignificantAccountingPoliciesDetails2">
          <link:definition>999030 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative" id="SummaryOfSignificantAccountingPoliciesDetailsNarrative">
          <link:definition>999031 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/InitialPublicOfferingDetailsNarrative" id="InitialPublicOfferingDetailsNarrative">
          <link:definition>999032 - Disclosure - INITIAL PUBLIC OFFERING (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/PrivatePlacementDetailsNarrative" id="PrivatePlacementDetailsNarrative">
          <link:definition>999033 - Disclosure - PRIVATE PLACEMENT (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/SegmentInformationDetails" id="SegmentInformationDetails">
          <link:definition>999034 - Disclosure - SEGMENT INFORMATION (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/RelatedPartyTransactionsDetailsNarrative" id="RelatedPartyTransactionsDetailsNarrative">
          <link:definition>999035 - Disclosure - RELATED PARTY TRANSACTIONS (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/CommitmentsAndContingenciesDetailsNarrative" id="CommitmentsAndContingenciesDetailsNarrative">
          <link:definition>999036 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/ShareholdersDeficitDetailsNarrative" id="ShareholdersDeficitDetailsNarrative">
          <link:definition>999037 - Disclosure - SHAREHOLDERS&#8217; DEFICIT (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/FairValueMeasurementsDetails" id="FairValueMeasurementsDetails">
          <link:definition>999038 - Disclosure - FAIR VALUE MEASUREMENTS (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/FairValueMeasurementsDetails1" id="FairValueMeasurementsDetails1">
          <link:definition>999039 - Disclosure - FAIR VALUE MEASUREMENTS (Details 1)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://titan-spac.com/role/FairValueMeasurementsDetailsNarrative" id="FairValueMeasurementsDetailsNarrative">
          <link:definition>999040 - Disclosure - FAIR VALUE MEASUREMENTS (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:linkbaseRef xlink:type="simple" xlink:href="tachu-20251231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="tachu-20251231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="tachu-20251231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="tachu-20251231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
      </appinfo>
    </annotation>
    <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
    <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
    <import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd" />
    <import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd" />
    <import namespace="http://fasb.org/us-types/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd" />
    <import namespace="http://xbrl.sec.gov/ecd/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd" />
    <import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd" />
    <import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd" />
    <import namespace="http://xbrl.sec.gov/cyd/2025" schemaLocation="https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd" />
    <element id="tachu_UnitsEachConsistingOfOneClassOrdinaryShareAndOnehalfOfOneWarrantMember" name="UnitsEachConsistingOfOneClassOrdinaryShareAndOnehalfOfOneWarrantMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ClassOrdinarySharesParValue0.0001PerShareMember" name="ClassOrdinarySharesParValue0.0001PerShareMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_WarrantsEachWholeWarrantExercisableForOneClassOrdinaryShareAtExercisePriceOf11.50PerShareMember" name="WarrantsEachWholeWarrantExercisableForOneClassOrdinaryShareAtExercisePriceOf11.50PerShareMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ClassAOrdinarySharesMember" name="ClassAOrdinarySharesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ClassBOrdinarySharesMember" name="ClassBOrdinarySharesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_UnderwritersMember" name="UnderwritersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_PublicWarrantsMember" name="PublicWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_PrivateWarrantsMember" name="PrivateWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_WarrantsMember" name="WarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_PrivatePlacementWarrantsMember" name="PrivatePlacementWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_RedeemableClassAMember" name="RedeemableClassAMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_NonRedeemableClassBMember" name="NonRedeemableClassBMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_SponsorMember" name="SponsorMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_CantorFitzgeraldAndCo.AndOdeonCapitalGroupLLCMember" name="CantorFitzgeraldAndCo.AndOdeonCapitalGroupLLCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ChiefOperatingDecisionMakerMember" name="ChiefOperatingDecisionMakerMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_FounderSharesMember" name="FounderSharesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DueFromSponsor" name="DueFromSponsor" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DueToRelatedParty" name="DueToRelatedParty" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DueToSponsor" name="DueToSponsor" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DeferredUnderwritingCommission" name="DeferredUnderwritingCommission" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_OrdinarySharesSubjectToPossibleRedemption" name="OrdinarySharesSubjectToPossibleRedemption" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_GeneralAndAdministrativeExpenses" name="GeneralAndAdministrativeExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_IssuanceOfClassBOrdinarySharesToSponsor" name="IssuanceOfClassBOrdinarySharesToSponsor" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_IssuanceOfClassBOrdinarySharesToSponsorShares" name="IssuanceOfClassBOrdinarySharesToSponsorShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_IssuanceOfPrivateUnits" name="IssuanceOfPrivateUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_FairValueOfPublicWarrants" name="FairValueOfPublicWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_AllocatedValueOfTransactionCostsToPublicAndPrivateWarrants" name="AllocatedValueOfTransactionCostsToPublicAndPrivateWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_AccretionForClassOrdinarySharesSubjectToRedemptionAmount" name="AccretionForClassOrdinarySharesSubjectToRedemptionAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ReclassOfAdditionalPaidInCapitalToAccumulatedDeficit" name="ReclassOfAdditionalPaidInCapitalToAccumulatedDeficit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_IncreaseDecreaseInPrepaidInsuranceCurrent" name="IncreaseDecreaseInPrepaidInsuranceCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_IncreaseInDueFromSposnor" name="IncreaseInDueFromSposnor" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_IncreaseDecreaseInDueToRelatedParty" name="IncreaseDecreaseInDueToRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DeferredCostsPaidInCash" name="DeferredCostsPaidInCash" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_UnrealisedReturn" name="UnrealisedReturn" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_CashDepositedInTrustAccount" name="CashDepositedInTrustAccount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_PaymentOfOfferingCosts" name="PaymentOfOfferingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DeferredOfferingCostsIncludedInAccruedOfferingExpenses" name="DeferredOfferingCostsIncludedInAccruedOfferingExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DisclosureInitialPublicOfferingAbstract" name="DisclosureInitialPublicOfferingAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_InitialPublicOfferingTextBlock" name="InitialPublicOfferingTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DisclosurePrivatePlacementAbstract" name="DisclosurePrivatePlacementAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_PrivatePlacementTextBlock" name="PrivatePlacementTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_RecentlyAdoptedAccountingPronouncementsPolicyTextBlock" name="RecentlyAdoptedAccountingPronouncementsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_WarrantInstrumentsPolicyTextBlock" name="WarrantInstrumentsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_InvestmentsHeldInTrustAccountPolicyTextBlock" name="InvestmentsHeldInTrustAccountPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DerivativesReportingsOfDerivativeActivity" name="DerivativesReportingsOfDerivativeActivity" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_OfferingCostsAssociatedWithInitialPublicOfferingPolicyTextBlock" name="OfferingCostsAssociatedWithInitialPublicOfferingPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ClassAOrdinarySharesSubjectToPossibleRedemptionPolicyTextBlock" name="ClassAOrdinarySharesSubjectToPossibleRedemptionPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_EmergingGrowthCompanyPolicyTextBlock" name="EmergingGrowthCompanyPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ScheduleOfSharesSubjectToRedemptionTableTextBlock" name="ScheduleOfSharesSubjectToRedemptionTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_TransactionCosts" name="TransactionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_UnderwritingFees" name="UnderwritingFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DeferredUnderwritingFees" name="DeferredUnderwritingFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_OtherOfferingCosts" name="OtherOfferingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ProceedsFromIpoAndPrivatePlacement" name="ProceedsFromIpoAndPrivatePlacement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_PercentageOfAssetHeldInTrustAccount" name="PercentageOfAssetHeldInTrustAccount" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_BusinessCombinationPercentageOfVotingSecurities" name="BusinessCombinationPercentageOfVotingSecurities" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_NetTangibleAssets" name="NetTangibleAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DissolutionExpenses" name="DissolutionExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_WorkingCapitalDeficit" name="WorkingCapitalDeficit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_NumeratorAbstract" name="NumeratorAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DenominatorAbstract" name="DenominatorAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_AllocationOfNetIncomeLoss" name="AllocationOfNetIncomeLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_GrossProceeds" name="GrossProceeds" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ProceedsAllocatedToPublicWarrants" name="ProceedsAllocatedToPublicWarrants" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_OrdinaryShareIssuanceCost" name="OrdinaryShareIssuanceCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_OrdinaryShareSubjectToPossibleRedemption" name="OrdinaryShareSubjectToPossibleRedemption" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_WarrantsExercisable" name="WarrantsExercisable" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DeferredOfferingCostsAssociatedWithProposedPublicOffering" name="DeferredOfferingCostsAssociatedWithProposedPublicOffering" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_SharesForfeited" name="SharesForfeited" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_AggregateNumberOfShares" name="AggregateNumberOfShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_RelatedPartyLoans" name="RelatedPartyLoans" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_PrivatePlacementWarrants" name="PrivatePlacementWarrants" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_WorkingCapitalNotesDescription" name="WorkingCapitalNotesDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ConsultingFeesPerMonth" name="ConsultingFeesPerMonth" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_UnderwritingDiscountPaidPerUnit" name="UnderwritingDiscountPaidPerUnit" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_DeferredUnderwritingCommissionsPerUnit" name="DeferredUnderwritingCommissionsPerUnit" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ProceedsFromDeferredUnderwritingCommissions" name="ProceedsFromDeferredUnderwritingCommissions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_SharesRedemption" name="SharesRedemption" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_SharesSubjectToForfeiture" name="SharesSubjectToForfeiture" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_VolumeWeightedAveragePricePerShare" name="VolumeWeightedAveragePricePerShare" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_PercentageOfFundsRaisedToBeUsedForConsummatingBusinessCombination" name="PercentageOfFundsRaisedToBeUsedForConsummatingBusinessCombination" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ClassOfWarrantsOrRightsRedemptionPricePerShare" name="ClassOfWarrantsOrRightsRedemptionPricePerShare" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ClassOfWarrantsOrRightsPeriodWithinWhichTheRegistrationShallBeEffectiveFromTheConsummationOfBusinessCombination" name="ClassOfWarrantsOrRightsPeriodWithinWhichTheRegistrationShallBeEffectiveFromTheConsummationOfBusinessCombination" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_NumberOfTradingDaysForDeterminingTheVolumeWeightedAveragePriceOfShare" name="NumberOfTradingDaysForDeterminingTheVolumeWeightedAveragePriceOfShare" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_CalculatedPricePerWarrant" name="CalculatedPricePerWarrant" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ProbabilityOfInitialBusinessCombination" name="ProbabilityOfInitialBusinessCombination" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="tachu_ImpliedClassOrdinarySharePrice" name="ImpliedClassOrdinarySharePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
</schema>
