Subject: Re: [Fot] A-Type Overdrive Testing

From: Jack Wheeler via Fot <[email-masked]>
Date: Tue, 24 Dec 2019 16:25:28 +0000 (UTC)

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 I have tested overdrives like this for years.=C2=A0 My drive motor only sp=
ins in one direction, which makes sure the output shaft only spins in the s=
ame direction the shaft would be spinning when the car is driven in a forwa=
rd speed.=C2=A0 Therefore, I don't know what would happen if you spun it in=
 the wrong direction.
Jack

    On Monday, December 23, 2019, 10:05:53 PM EST, Glenn Franco via Fot <fo=
[email-masked]> wrote: =20
=20
 Merry ChristmasQuick QuestionA friend of mine started testing his A-Type O=
verdrives by back spinning the output flange (to the prop shaft) with a pul=
ley and electric motor.I've seen this done by spinning the transmission=C2=
=A0INPUT shaft with a pulley and electric motor but not from the rear.Any c=
hance of damaging the overdrive since the overrunning clutch is only going =
to spin in the one direction, can it lock up the overdrive?Thanks in advanc=
eGlenn
_______________________________________________
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http://www.fot-racing.com

Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
yahoo.com

 =20
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<html><head></head><body><div class=3D"ydp7dbf0fe6yahoo-style-wrap" style=
=3D"font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 1=
3px;"><div></div>
        <div dir=3D"ltr" data-setdir=3D"false">I have tested overdrives lik=
e this for years.&nbsp; My drive motor only spins in one direction, which m=
akes sure the output shaft only spins in the same direction the shaft would=
 be spinning when the car is driven in a forward speed.&nbsp; Therefore, I =
don't know what would happen if you spun it in the wrong direction.</div><d=
iv dir=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=
=3D"false">Jack<br></div><div><br></div>
       =20
        </div><div id=3D"ydpfd023d29yahoo_quoted_7545444271" class=3D"ydpfd=
023d29yahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                    On Monday, December 23, 2019, 10:05:53 PM EST, Glenn Fr=
anco via Fot &lt;[email-masked]&gt; wrote:
                </div>
                <div><br></div>
                <div><br></div>
                <div><div id=3D"ydpfd023d29yiv2459643629"><div dir=3D"ltr">=
<div>Merry Christmas</div><div>Quick Question</div><div>A friend of mine st=
arted testing his A-Type Overdrives by back spinning the output flange (to =
the prop shaft) with a pulley and electric motor.</div><div>I've seen this =
done by spinning the transmission&nbsp;INPUT shaft with a pulley and electr=
ic motor but not from the rear.</div><div>Any chance of damaging the overdr=
ive since the overrunning clutch is only going to spin in the one direction=
, can it lock up the overdrive?</div><div>Thanks in advance</div><div>Glenn=
</div><div><br></div></div></div>__________________________________________=
_____<br><a href=3D"mailto:[email-masked]" rel=3D"nofollow" target=3D"_=
blank">[email-masked]</a><br><br><a href=3D"http://www.fot-racing.com" =
rel=3D"nofollow" target=3D"_blank">http://www.fot-racing.com</a><br><br>Don=
ate: <a href=3D"http://www.team.net/donate.html" rel=3D"nofollow" target=3D=
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_______________________________________________
[email-masked]

http://www.fot-racing.com

Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot

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From: David Gott via Fot <[email-masked]>
Date: Tue, 24 Dec 2019 16:51:30 +0000 (UTC)

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I was able to test my overdrive by chucking a 1/2=E2=80=9D electric drill o=
n the input shaft and turning the whole transmission. =C2=A0(Make sure to s=
pin the right direction!). Pretty sure I used 4th gear. =C2=A0 I was able t=
o determine that my OD pressure is at 350 psi, so I=E2=80=99ll have to shim=
 the spring I guess.
Secondary question; the OD seemed to stick on me, but I did not have a load=
 on the output flange, due to being on the bench; I=E2=80=99m assuming this=
 might be an issue? =C2=A0Or would a load coax the OD to releasing as appro=
priate?
Hopefully I don=E2=80=99t hijack your thread too much!
Thanks,Dave Gott
62 TR4 (=E2=80=9CA=E2=80=9D type on the bench)

Sent from Yahoo Mail for iPhone

On Tuesday, December 24, 2019, 11:25 AM, Jack Wheeler via Fot <[email-masked]=
am.net> wrote:

hoo.com

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<html xmlns=3D"http://www.w3.org/1999/xhtml" xmlns:v=3D"urn:schemas-microso=
ft-com:vml" xmlns:o=3D"urn:schemas-microsoft-com:office:office"><head><!--[=
if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>=
96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--></head><bo=
dy>
I was able to test my overdrive by chucking a 1/2=E2=80=9D electric drill o=
n the input shaft and turning the whole transmission. &nbsp;(Make sure to s=
pin the right direction!). Pretty sure I used 4th gear. &nbsp; I was able t=
o determine that my OD pressure is at 350 psi, so I=E2=80=99ll have to shim=
 the spring I guess.<div><br></div><div>Secondary question; the OD seemed t=
o stick on me, but I did not have a load on the output flange, due to being=
 on the bench; I=E2=80=99m assuming this might be an issue? &nbsp;Or would =
a load coax the OD to releasing as appropriate?</div><div><br></div><div>Ho=
pefully I don=E2=80=99t hijack your thread too much!</div><div><br></div><d=
iv>Thanks,</div><div>Dave Gott<br>62 TR4 (=E2=80=9CA=E2=80=9D type on the b=
ench)<br><br><a href=3D"https://overview.mail.yahoo.com/?.src=3DiOS">Sent f=
rom Yahoo Mail for iPhone</a><br><br><p class=3D"yahoo-quoted-begin" style=
=3D"font-size: 15px; color: #715FFA; padding-top: 15px; margin-top: 0">On T=
uesday, December 24, 2019, 11:25 AM, Jack Wheeler via Fot &lt;[email-masked]=
m.net&gt; wrote:</p><blockquote class=3D"iosymail"><div id=3D"yiv6260932080=
"><div><div class=3D"yiv6260932080ydp7dbf0fe6yahoo-style-wrap" style=3D"fon=
t-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div=
></div>
        <div dir=3D"ltr">I have tested overdrives like this for years.&nbsp=
; My drive motor only spins in one direction, which makes sure the output s=
haft only spins in the same direction the shaft would be spinning when the =
car is driven in a forward speed.&nbsp; Therefore, I don't know what would =
happen if you spun it in the wrong direction.</div><div dir=3D"ltr"><br cle=
ar=3D"none"></div><div dir=3D"ltr">Jack<br clear=3D"none"></div><div><br cl=
ear=3D"none"></div>
       =20
        </div><div class=3D"yiv6260932080ydpfd023d29yahoo_quoted" id=3D"yiv=
6260932080ydpfd023d29yahoo_quoted_7545444271">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div class=3D"yiv6260932080yqt9559972606" id=3D"yiv62609320=
80yqt71890"><div>
                    On Monday, December 23, 2019, 10:05:53 PM EST, Glenn Fr=
anco via Fot &lt;[email-masked]&gt; wrote:
                </div>
                <div><br clear=3D"none"></div>
                <div><br clear=3D"none"></div>
                <div><div id=3D"yiv6260932080ydpfd023d29yiv2459643629"><div=
 dir=3D"ltr"><div>Merry Christmas</div><div>Quick Question</div><div>A frie=
nd of mine started testing his A-Type Overdrives by back spinning the outpu=
t flange (to the prop shaft) with a pulley and electric motor.</div><div>I'=
ve seen this done by spinning the transmission&nbsp;INPUT shaft with a pull=
ey and electric motor but not from the rear.</div><div>Any chance of damagi=
ng the overdrive since the overrunning clutch is only going to spin in the =
one direction, can it lock up the overdrive?</div><div>Thanks in advance</d=
iv><div>Glenn</div><div><br clear=3D"none"></div></div></div>______________=
_________________________________<br clear=3D"none"><a rel=3D"nofollow" sha=
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