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Re: [Fot] A-Type Overdrive Testing

To: David Gott <triumphsix@yahoo.com> definitions=2019-12-24_04:, , signatures=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1912240155
Subject: Re: [Fot] A-Type Overdrive Testing
From: Greg Blake via Fot <fot@autox.team.net>
Date: Tue, 24 Dec 2019 11:47:38 -0600
Cc: FOT List <fot@autox.team.net>, Glenn Franco <brakey6666@gmail.com>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <1994212305.2074456.1577206290081@mail.yahoo.com>
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If this is for a race car, you might consider shiming the accumulator spring=
 to get closer to 500psi.=20

Sent from my iPhone

> On Dec 24, 2019, at 10:51 AM, David Gott via Fot <fot@autox.team.net> wrot=
e:
>=20
> =EF=BB=BF I was able to test my overdrive by chucking a 1/2=E2=80=9D elect=
ric drill on the input shaft and turning the whole transmission.  (Make sure=
 to spin the right direction!). Pretty sure I used 4th gear.   I was able to=
 determine that my OD pressure is at 350 psi, so I=E2=80=99ll have to shim t=
he spring I guess.
>=20
> Secondary question; the OD seemed to stick on me, but I did not have a loa=
d on the output flange, due to being on the bench; I=E2=80=99m assuming this=
 might be an issue?  Or would a load coax the OD to releasing as appropriate=
?
>=20
> Hopefully I don=E2=80=99t hijack your thread too much!
>=20
> Thanks,
> Dave Gott
> 62 TR4 (=E2=80=9CA=E2=80=9D type on the bench)
>=20
> Sent from Yahoo Mail for iPhone
>=20
> On Tuesday, December 24, 2019, 11:25 AM, Jack Wheeler via Fot <fot@autox.t=
eam.net> wrote:
>=20
> I have tested overdrives like this for years.  My drive motor only spins i=
n one direction, which makes sure the output shaft only spins in the same di=
rection the shaft would be spinning when the car is driven in a forward spee=
d.  Therefore, I don't know what would happen if you spun it in the wrong di=
rection.
>=20
> Jack
>=20
> On Monday, December 23, 2019, 10:05:53 PM EST, Glenn Franco via Fot <fot@a=
utox.team.net> wrote:
>=20
>=20
> Merry Christmas
> Quick Question
> A friend of mine started testing his A-Type Overdrives by back spinning th=
e output flange (to the prop shaft) with a pulley and electric motor.
> I've seen this done by spinning the transmission INPUT shaft with a pulley=
 and electric motor but not from the rear.
> Any chance of damaging the overdrive since the overrunning clutch is only g=
oing to spin in the one direction, can it lock up the overdrive?
> Thanks in advance
> Glenn
>=20
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
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> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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@yahoo.com
>=20
>=20
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> fot@autox.team.net
>=20
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>=20
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ahoo.com
>=20
>=20
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> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
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>=20
>=20

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">If this is for a race car, you might consid=
er shiming the accumulator spring to get closer to 500psi.&nbsp;<br><br><div=
 dir=3D"ltr">Sent from my iPhone</div><div dir=3D"ltr"><br><blockquote type=3D=
"cite">On Dec 24, 2019, at 10:51 AM, David Gott via Fot &lt;fot@autox.team.n=
et&gt; wrote:<br><br></blockquote></div><blockquote type=3D"cite"><div dir=3D=
"ltr">=EF=BB=BF<!--[if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG=
/><o:PixelsPerInch>96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![e=
ndif]-->
I was able to test my overdrive by chucking a 1/2=E2=80=9D electric drill on=
 the input shaft and turning the whole transmission. &nbsp;(Make sure to spi=
n the right direction!). Pretty sure I used 4th gear. &nbsp; I was able to d=
etermine 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 to sti=
ck on me, but I did not have a load on the output flange, due to being on th=
e bench; I=E2=80=99m assuming this might be an issue? &nbsp;Or would a load c=
oax the OD to releasing as appropriate?</div><div><br></div><div>Hopefully I=
 don=E2=80=99t hijack your thread too much!</div><div><br></div><div>Thanks,=
</div><div>Dave Gott<br>62 TR4 (=E2=80=9CA=E2=80=9D type on the bench)<br><b=
r><a href=3D"https://overview.mail.yahoo.com/?.src=3DiOS";>Sent from Yahoo Ma=
il 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 Tuesday, Decembe=
r 24, 2019, 11:25 AM, Jack Wheeler via Fot &lt;fot@autox.team.net&gt; wrote:=
</p><blockquote class=3D"iosymail"><div id=3D"yiv6260932080"><div><div class=
=3D"yiv6260932080ydp7dbf0fe6yahoo-style-wrap" style=3D"font-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 sha=
ft 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 happ=
en if you spun it in the wrong direction.</div><div dir=3D"ltr"><br clear=3D=
"none"></div><div dir=3D"ltr">Jack<br clear=3D"none"></div><div><br clear=3D=
"none"></div>
       =20
        </div><div class=3D"yiv6260932080ydpfd023d29yahoo_quoted" id=3D"yiv6=
260932080ydpfd023d29yahoo_quoted_7545444271">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, sa=
ns-serif;font-size:13px;color:#26282a;">
               =20
                <div class=3D"yiv6260932080yqt9559972606" id=3D"yiv626093208=
0yqt71890"><div>
                    On Monday, December 23, 2019, 10:05:53 PM EST, Glenn Fra=
nco via Fot &lt;fot@autox.team.net&gt; wrote:
                </div>
                <div><br clear=3D"none"></div>
                <div><br clear=3D"none"></div>
                <div><div id=3D"yiv6260932080ydpfd023d29yiv2459643629"><div d=
ir=3D"ltr"><div>Merry Christmas</div><div>Quick Question</div><div>A friend o=
f mine started testing his A-Type Overdrives by back spinning the output fla=
nge (to the prop shaft) with a pulley and electric motor.</div><div>I've see=
n this done by spinning the transmission&nbsp;INPUT shaft with a pulley and e=
lectric motor but not from the rear.</div><div>Any chance of damaging the ov=
erdrive since the overrunning clutch is only going to spin in the one direct=
ion, can it lock up the overdrive?</div><div>Thanks in advance</div><div>Gle=
nn</div><div><br clear=3D"none"></div></div></div>__________________________=
_____________________<br clear=3D"none"><a rel=3D"nofollow" shape=3D"rect" y=
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