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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 9pKtLXzqkSMb64U4f69NjQ==

<SEC-DOCUMENT>0001460417-10-000003.txt : 20100929
<SEC-HEADER>0001460417-10-000003.hdr.sgml : 20100929
<ACCEPTANCE-DATETIME>20100929090113
ACCESSION NUMBER:		0001460417-10-000003
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
ITEM INFORMATION:		Investment Company Act Section 3(c)
ITEM INFORMATION:		Section 3(c)(1)
FILED AS OF DATE:		20100929
DATE AS OF CHANGE:		20100929
EFFECTIVENESS DATE:		20100929

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DOUBLE EAGLE CAPITAL ACE FUND LP
		CENTRAL INDEX KEY:			0001460417
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-129287
		FILM NUMBER:		101095105

	BUSINESS ADDRESS:	
		STREET 1:		909 LAKE CAROLYN PARKWAY
		STREET 2:		SUITE 1825
		CITY:			IRVING
		STATE:			TX
		ZIP:			75039
		BUSINESS PHONE:		972-869-6880

	MAIL ADDRESS:	
		STREET 1:		909 LAKE CAROLYN PARKWAY
		STREET 2:		SUITE 1825
		CITY:			IRVING
		STATE:			TX
		ZIP:			75039
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001460417</cik>
        <entityName>DOUBLE EAGLE CAPITAL ACE FUND LP</entityName>
        <issuerAddress>
            <street1>909 LAKE CAROLYN PARKWAY</street1>
            <street2>SUITE 1825</street2>
            <city>IRVING</city>
            <stateOrCountry>TX</stateOrCountry>
            <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
            <zipCode>75039</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>972-869-6880</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2005</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Ernest</firstName>
                <middleName>W.</middleName>
                <lastName>Kuehne, III</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>909 Lake Carolyn Parkway</street1>
                <street2>Suite 1825</street2>
                <city>Irving</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>75039</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Ernest W. Kuehne, III is the manager of Double Eagle Capital LLC.  Double Eagle Capital LLC is the general partner of Double Eagle Capital Management LP.  Double Eagle Capital Management is the general partner of the Issuer.</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Hedge Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>Decline to Disclose</aggregateNetAssetValueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
            <item>3C</item>
            <item>3C.1</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001460417-09-000004</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2005-07-01</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>1000000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>18004365</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse>The total amount sold reflects sales of Series C Limited Partnership Interests.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>true</hasNonAccreditedInvestors>
            <numberNonAccreditedInvestors>0</numberNonAccreditedInvestors>
            <totalNumberAlreadyInvested>38</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>The general partner is entitled to a performance allocation.  The performance allocation is fully discussed in the Issuer's confidential offering materials.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>DOUBLE EAGLE CAPITAL ACE FUND LP</issuerName>
                <signatureName>Ernest W. Kuehne, III</signatureName>
                <nameOfSigner>Ernest W. Kuehne, III</nameOfSigner>
                <signatureTitle>Manager of Double Eagle Capital LLC</signatureTitle>
                <signatureDate>2010-09-29</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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