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Speaking of spinning the OD backwards, which it won=E2=80=99t do, what happ=
ens if you spin the car while overdrive is engaged? =C2=A0 Probably my bigg=
est concern for running one of these in a race car... =C2=A0 I was thinking=
I=E2=80=99d use it on track and maybe autocross, but I think that is ill a=
dvised now that I bring up that question. =C2=A0 Has anyone ever spun and r=
olled backwards, with OD engaged?
Dave G
Sent from Yahoo Mail for iPhone
On Tuesday, December 24, 2019, 12:47 PM, Greg Blake <gblake58tr3@icloud.com=
> wrote:
If this is for a race car, you might consider shiming the accumulator sprin=
g to get closer to 500psi.=C2=A0
Sent from my iPhone
On Dec 24, 2019, at 10:51 AM, David Gott via Fot <fot@autox.team.net> wrote=
:
=EF=BB=BFI was able to test my overdrive by chucking a 1/2=E2=80=9D electri=
c drill on the input shaft and turning the whole transmission. =C2=A0(Make =
sure to spin the right direction!). Pretty sure I used 4th gear. =C2=A0 I w=
as able to determine that my OD pressure is at 350 psi, so I=E2=80=99ll hav=
e 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 <fot@autox.te=
am.net> wrote:
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=
t@autox.team.net> 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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yahoo.com
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cloud.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>
Speaking of spinning the OD backwards, which it won=E2=80=99t do, what happ=
ens if you spin the car while overdrive is engaged? Probably my bigg=
est concern for running one of these in a race car... I was thinking=
I=E2=80=99d use it on track and maybe autocross, but I think that is ill a=
dvised now that I bring up that question. Has anyone ever spun and r=
olled backwards, with OD engaged?<div><br></div><div>Dave G<br><br><br><a h=
ref=3D"https://overview.mail.yahoo.com/?.src=3DiOS";>Sent from Yahoo Mail fo=
r iPhone</a><br><br><p class=3D"yahoo-quoted-begin" style=3D"font-size: 15p=
x; color: #715FFA; padding-top: 15px; margin-top: 0">On Tuesday, December 2=
4, 2019, 12:47 PM, Greg Blake <gblake58tr3@icloud.com> wrote:</p><blo=
ckquote class=3D"iosymail"><div id=3D"yiv0957845862"><div>If this is for a =
race car, you might consider shiming the accumulator spring to get closer t=
o 500psi. <br clear=3D"none"><br clear=3D"none"><div dir=3D"ltr">Sent =
from my iPhone</div><div dir=3D"ltr"><br clear=3D"none"><blockquote type=3D=
"cite">On Dec 24, 2019, at 10:51 AM, David Gott via Fot <fot@autox.team.=
net> wrote:<br clear=3D"none"><br clear=3D"none"></blockquote></div><blo=
ckquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF
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. (Make sure to s=
pin the right direction!). Pretty sure I used 4th gear. 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 clear=3D"none"></div><div>Secondary question; =
the OD seemed to stick on me, but I did not have a load on the output flang=
e, 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?</div><div><b=
r clear=3D"none"></div><div>Hopefully I don=E2=80=99t hijack your thread to=
o much!</div><div><br clear=3D"none"></div><div>Thanks,</div><div>Dave Gott=
<br clear=3D"none">62 TR4 (=E2=80=9CA=E2=80=9D type on the bench)<br clear=
=3D"none"><br clear=3D"none"><a rel=3D"nofollow" shape=3D"rect" target=3D"_=
blank" href=3D"https://overview.mail.yahoo.com/?.src=3DiOS";>Sent from Yahoo=
Mail for iPhone</a><br clear=3D"none"><br clear=3D"none"><p class=3D"yiv09=
57845862yahoo-quoted-begin" style=3D"font-size:15px;color:#715FFA;padding-t=
op:15px;margin-top:0;">On Tuesday, December 24, 2019, 11:25 AM, Jack Wheele=
r via Fot <fot@autox.team.net> wrote:</p><blockquote class=3D"yiv0957=
845862iosymail"><div id=3D"yiv0957845862"><div><div class=3D"yiv0957845862y=
dp7dbf0fe6yahoo-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. =
; 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. 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"yiv0957845862ydpfd023d29yahoo_quoted" id=3D"yiv=
0957845862ydpfd023d29yahoo_quoted_7545444271">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div class=3D"yiv0957845862yqt9559972606" id=3D"yiv09578458=
62yqt71890"><div>
On Monday, December 23, 2019, 10:05:53 PM EST, Glenn Fr=
anco via Fot <fot@autox.team.net> wrote:
</div>
<div><br clear=3D"none"></div>
<div><br clear=3D"none"></div>
<div><div id=3D"yiv0957845862ydpfd023d29yiv2459643629"><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 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=
pe=3D"rect" ymailto=3D"mailto:fot@autox.team.net"; target=3D"_blank" href=3D=
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_______________________________________________
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Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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