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I can attest to that.=C2=A0 Just under the bridge at Road Atlanta (Runoffs=
1993) a Porsche 914 spun in front of me, then came whipping across the tra=
ck backwards, right in front of me.=C2=A0 At least 5 cars involved, and the=
y red flagged the race.=C2=A0 I went both feet in and the overdrive was abo=
ut the only piece of my car that remained in tact after that!=C2=A0 There a=
re some videos around.=C2=A0 Ouch!!
Jack
On Tuesday, December 24, 2019, 7:00:26 PM EST, Greg Blake <gblake58tr3@=
icloud.com> wrote: =20
=20
Whenever you start to spin it=E2=80=99s two feet in. I=E2=80=99ve been in =
a few situations where other drivers have tried to save a spin by not follo=
wing this advice and they always come rolling across the track backwards fo=
llowing an unpredictable path usually collecting a few unsuspecting racers =
along the way. =C2=A0Always go two feet in.=C2=A0
Sent from my iPhone
On Dec 24, 2019, at 12:50 PM, David Gott <triumphsix@yahoo.com> wrote:
=EF=BB=BFSpeaking of spinning the OD backwards, which it won=E2=80=99t do, =
what happens if you spin the car while overdrive is engaged? =C2=A0 Probabl=
y my biggest 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 advised now that I bring up that question. =C2=A0 Has anyone ever s=
pun and rolled 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
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
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yahoo.com
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hoo.com
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cloud.com
=20
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<html><head></head><body><div class=3D"ydp7b6b9b5yahoo-style-wrap" style=3D=
"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;">=
<div></div>
<div dir=3D"ltr" data-setdir=3D"false">I can attest to that. =
Just under the bridge at Road Atlanta (Runoffs 1993) a Porsche 914 spun in =
front of me, then came whipping across the track backwards, right in front =
of me. At least 5 cars involved, and they red flagged the race. =
I went both feet in and the overdrive was about the only piece of my car t=
hat remained in tact after that! There are some videos around. =
Ouch!!<br></div><div 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"ydp7a459152yahoo_quoted_7456430901" class=3D"ydp7a=
459152yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Tuesday, December 24, 2019, 7:00:26 PM EST, Greg Bla=
ke <gblake58tr3@icloud.com> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id=3D"ydp7a459152yiv6957167361"><div>Whenever you=
start to spin it=E2=80=99s two feet in. I=E2=80=99ve been in a few situati=
ons where other drivers have tried to save a spin by not following this adv=
ice and they always come rolling across the track backwards following an un=
predictable path usually collecting a few unsuspecting racers along the way=
. Always go two feet in. <br clear=3D"none"><br clear=3D"none"><=
div dir=3D"ltr">Sent from my iPhone</div><div dir=3D"ltr"><div class=3D"ydp=
7a459152yiv6957167361yqt7481193174" id=3D"ydp7a459152yiv6957167361yqtfd3925=
0"><br clear=3D"none"><blockquote type=3D"cite">On Dec 24, 2019, at 12:50 P=
M, David Gott <triumphsix@yahoo.com> wrote:<br clear=3D"none"><br cle=
ar=3D"none"></blockquote></div></div><div class=3D"ydp7a459152yiv6957167361=
yqt7481193174" id=3D"ydp7a459152yiv6957167361yqtfd42248"><blockquote type=
=3D"cite"><div dir=3D"ltr">=EF=BB=BF
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 clear=3D"none"></div><div>Dave G<=
br clear=3D"none"><br clear=3D"none"><br clear=3D"none"><a shape=3D"rect" h=
ref=3D"https://overview.mail.yahoo.com/?.src=3DiOS"; rel=3D"nofollow" target=
=3D"_blank">Sent from Yahoo Mail for iPhone</a><br clear=3D"none"><br clear=
=3D"none"><p class=3D"ydp7a459152yiv6957167361yahoo-quoted-begin" style=3D"=
font-size:15px;color:#715FFA;padding-top:15px;margin-top:0;">On Tuesday, De=
cember 24, 2019, 12:47 PM, Greg Blake <gblake58tr3@icloud.com> wrote:=
</p><blockquote class=3D"ydp7a459152yiv6957167361iosymail"><div id=3D"ydp7a=
459152yiv6957167361"><div>If this is for a race car, you might consider shi=
ming the accumulator spring to get closer to 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><blockquote 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 shape=3D"rect" href=3D"https://overview.mai=
l.yahoo.com/?.src=3DiOS" rel=3D"nofollow" target=3D"_blank">Sent from Yahoo=
Mail for iPhone</a><br clear=3D"none"><br clear=3D"none"><p class=3D"ydp7a=
459152yiv6957167361yahoo-quoted-begin" style=3D"font-size:15px;color:#715FF=
A;padding-top:15px;margin-top:0;">On Tuesday, December 24, 2019, 11:25 AM, =
Jack Wheeler via Fot <fot@autox.team.net> wrote:</p><blockquote class=
=3D"ydp7a459152yiv6957167361iosymail"><div id=3D"ydp7a459152yiv6957167361">=
<div><div class=3D"ydp7a459152yiv6957167361ydp7dbf0fe6yahoo-style-wrap" sty=
le=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13=
px;"><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"ydp7a459152yiv6957167361ydpfd023d29yahoo_quoted=
" id=3D"ydp7a459152yiv6957167361ydpfd023d29yahoo_quoted_7545444271">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div class=3D"ydp7a459152yiv6957167361yqt9559972606" id=3D"=
ydp7a459152yiv6957167361yqt71890"><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"ydp7a459152yiv6957167361ydpfd023d29yiv24596=
43629"><div dir=3D"ltr"><div>Merry Christmas</div><div>Quick Question</div>=
<div>A friend of mine started testing his A-Type Overdrives by back spinnin=
g the output 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 pulley and electric motor but not from the rear.</div><div>Any chanc=
e of damaging the overdrive since the overrunning clutch is only going to s=
pin in the one direction, can it lock up the overdrive?</div><div>Thanks in=
advance</div><div>Glenn</div><div><br clear=3D"none"></div></div></div>___=
____________________________________________<br clear=3D"none"><a shape=3D"=
rect" href=3D"mailto:fot@autox.team.net"; rel=3D"nofollow" target=3D"_blank"=
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</div></div></div><div class=3D"ydp7a459152yiv6957167361yqt95599726=
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________________<br clear=3D"none"><a shape=3D"rect" href=3D"mailto:fot@aut=
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ote></div></blockquote></div><div class=3D"ydp7a459152yiv6957167361yqt82865=
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<span>_______________________________________________</span><br clear=3D"no=
ne"><span>fot@autox.team.net</span><br clear=3D"none"><span></span><br clea=
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_______________________________________________
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http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
--===============3720287609720864894==--
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