[DeTomaso] Which axles on which side?
Mike Drew
MikeLDrew at aol.com
Fri May 27 20:36:57 EDT 2016
Tomas,
You have to remove the driveshaft to see the nut....
Mike
Sent from my iPhone
On May 27, 2016, at 15:51, "Tomas Gunnarsson" <guson at home.se> wrote:
> I'll check next time my car has its wheels off! :-D
>
> Tomas
>
>
> <-----Ursprungligt Meddelande----->
> From: Mike Drew [MikeLDrew at aol.com]
> Sent: 27/5/2016 9:43:52 PM
> To: guson at home.se
> Cc: guido_detomaso at prodigy.net;detomaso at detomasolist.com
> Subject: Re: [DeTomaso] Which axles on which side?
>
> Tomas,
>
> I started this thread and the overwhelming response is that the original setup had the LH threads on the LH side of the car. I don't really want to know why, just wanted to know what was done originally....
>
> Cheers!
>
> Mike
>
> Sent from my iPad
>
> > On May 27, 2016, at 12:35 PM, Tomas Gunnarsson <guson at home.se> wrote:
> >
> > I'm pretty sure it's the other way around. Left side of the car, RH
> > thread.
> >
> > Tomas
> > <-----Ursprungligt Meddelande----->
> > From: Guido deTomaso [guido_detomaso at prodigy.net]
> > Sent: 27/5/2016 8:23:20 PM
> > To: b.hower3400 at yahoo.com;vinh.d.ly at gmail.com;larrys at panteraparts.com
> > Cc: MikeLDrew at aol.com;detomaso at detomasolist.com
> > Subject: Re: [DeTomaso] Which axles on which side?
> > Late to this party.
> > Pretty hard to imagine skidding to a stop and having the left side lug
> > nuts spin off because of angular momentum, the hub stopped but the lugs
> > kept spinning. Similarly hard to imagine the lightweight Pantera axle
> > nut continuing to spin even if not tightened since it has a friction
> > feature. Any fastener tightened at all is going to produce enough
> > friction to be impervious to angular momentum / angular velocity
> > changes.
> > The self-tightening phenomenon is somewhat easy to predict where
> > there's a rotating load and a thread. A bicycle pedal is a good
> > example, if you can visualize the weight of the rider's foot going
> > around a loose thread, visualize the male thread of the pedal shaft
> > "walking" around the female thread of the crank arm, you may be able to
> > predict which side will be self-tightening with a LH thread.
> > Similarly British car knock off caps, if the hubs are put on the wrong
> > side of the car, or the car is towed backwards, good chance the wheels
> > will fall off, hasn't happened to me but I've heard several 1st person
> > accounts. Again if you look at the weight of the car, visualize it
> > walking around the thread, you can predict that the right side of the
> > car will get the LH thread. ( Hit the top of the knock off toward the
> > rear of the car to tighten ). LH threaded lug nuts, still used I
> > believe on heavy-duty trucks, same principle.
> > Other times reverse thread seems to be there only in case of
> > catastrophe: Witness every VW and Porsche I'm aware of, they put a LH
> > thread on the left side front spindle. Now this has no weight on the
> > thread ... in order for the nut to want to turn, first the outside
> > bearing would have to start spinning on the spindle, then the d-shape
> > washer would have to fail, and the cotter pin or clamping feature would
> > have to fail, ONLY THEN the reverse thread would save the day, until
> > the heat build up snaps the spindle anyway.
> > On the Pantera ... I don't see any path for the weight of the car to
> > walk around the thread of the axle nut ... maybe it's there but I can't
> > see it. However if under acceleration the flange spline failed, the
> > nuts would tighten if they followed the flange, yes ? Perhaps this is
> > the only reason for the handed thread in this application.
> > Or so it seems to me, I could be wrong.
> > GD
> > From: B Hower via DeTomaso <detomaso at server.detomasolist.com>
> > To: Vinh Ly <vinh.d.ly at gmail.com>; Larry Stock
> > <larrys at panteraparts.com>
> > Cc: Mike Drew <MikeLDrew at aol.com>; "detomaso at detomasolist.com"
> > <detomaso at detomasolist.com>
> > Sent: Sunday, May 22, 2016 12:44 PM
> > Subject: Re: [DeTomaso] Which axles on which side?
> > You would probably never notice a problem.
> > Bud #3400 ( Drive it like there is no tomorrow -- for there may not
> > be
> > ! )
> > __________________________________________________________________
> > From: Vinh Ly <vinh.d.ly at gmail.com>
> > To: Larry Stock <larrys at panteraparts.com>
> > Cc: Mike Drew <MikeLDrew at aol.com>; detomaso at detomasolist.com
> > Sent: Friday, May 20, 2016 12:56 PM
> > Subject: Re: [DeTomaso] Which axles on which side?
> > Question, what would be the ramifications if the axles were
> > incorrectly
> > installed on the wrong side?
> > Thanks,
> > Vinh Ly
> > #7445
> > On Fri, May 20, 2016 at 1:48 PM, Larry Stock
> > <[1][1]larrys at panteraparts.com> wrote:
> > S= Sinestro or Left (the Sinister hand that holds the sword when
> > dueling
> > with the Romans) that goes on the Left side (drivers side)
> > Mike, you win the prize for getting this one correct
> > Larry
> > On 5/20/16, 10:33 AM, "DeTomaso on behalf of Mike Drew via
> > DeTomaso"
> > <[2][2]detomaso-bounces at server.detomasolist.com on behalf of
> > [3][3]detomaso at server.detomasolist.com> wrote:
> >> Hi guys,
> >>
> >> I thought I would lead off with he first technical question on the
> > new
> >> forum.
> >>
> >> The rear axles are marked S and D, for 'left' and 'right'
> > respectively.
> >> But that speaks to the thread direction (one of them is reverse
> > thread,
> >> left to tighten)
> >>
> >> It's my belief that the S or left-tighten axle goes on the left
> > side
> > of
> >> the car but I can't remember for sure. Can somebody confirm or
> > deny?
> >>
> >> Thanks!
> >>
> >> And welcome back!
> >>
> >> Mike
> >>
> >> Sent from my iPhone
> >> _______________________________________________
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> > References
> > 1. mailto:larrys at panteraparts.com
> > 2. mailto:detomaso-bounces at server.detomasolist.com
> > 3. mailto:detomaso at server.detomasolist.com
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> > 5. http://server.detomasolist.com/mailman/listinfo/detomaso
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> > 7. http://server.detomasolist.com/mailman/listinfo/detomaso
> > 8. mailto:larrys at panteraparts.com
> > 9. mailto:detomaso-bounces at server.detomasolist.com
> > 10. mailto:detomaso at server.detomasolist.com
> > 11. mailto:DeTomaso at server.detomasolist.com
> > 12. http://server.detomasolist.com/mailman/listinfo/detomaso
> > 13. mailto:DeTomaso at server.detomasolist.com
> > 14. http://server.detomasolist.com/mailman/listinfo/detomaso
> > 15. mailto:DeTomaso at server.detomasolist.com
> > 16. http://server.detomasolist.com/mailman/listinfo/detomaso
> > _______________________________________________
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-------------- next part --------------
Tomas,
You have to remove the driveshaft to see the nut....
Mike
Sent from my iPhone
On May 27, 2016, at 15:51, "Tomas Gunnarsson" <[1]guson at home.se> wrote:
I'll check next time my car has its wheels off! :-D
Tomas
<-----Ursprungligt Meddelande----->
From: Mike Drew [[2]MikeLDrew at aol.com]
Sent: 27/5/2016 9:43:52 PM
To: [3]guson at home.se
Cc: [4]guido_detomaso at prodigy.net;[5]detomaso at detomasolist.com
Subject: Re: [DeTomaso] Which axles on which side?
Tomas,
I started this thread and the overwhelming response is that the
original setup had the LH threads on the LH side of the car. I don't
really want to know why, just wanted to know what was done
originally....
Cheers!
Mike
Sent from my iPad
> On May 27, 2016, at 12:35 PM, Tomas Gunnarsson <[6]guson at home.se>
wrote:
>
> I'm pretty sure it's the other way around. Left side of the car, RH
> thread.
>
> Tomas
> <-----Ursprungligt Meddelande----->
> From: Guido deTomaso [[7]guido_detomaso at prodigy.net]
> Sent: 27/5/2016 8:23:20 PM
> To:
[8]b.hower3400 at yahoo.com;[9]vinh.d.ly at gmail.com;[10]larrys at panteraparts
.com
> Cc: [11]MikeLDrew at aol.com;[12]detomaso at detomasolist.com
> Subject: Re: [DeTomaso] Which axles on which side?
> Late to this party.
> Pretty hard to imagine skidding to a stop and having the left side
lug
> nuts spin off because of angular momentum, the hub stopped but the
lugs
> kept spinning. Similarly hard to imagine the lightweight Pantera axle
> nut continuing to spin even if not tightened since it has a friction
> feature. Any fastener tightened at all is going to produce enough
> friction to be impervious to angular momentum / angular velocity
> changes.
> The self-tightening phenomenon is somewhat easy to predict where
> there's a rotating load and a thread. A bicycle pedal is a good
> example, if you can visualize the weight of the rider's foot going
> around a loose thread, visualize the male thread of the pedal shaft
> "walking" around the female thread of the crank arm, you may be able
to
> predict which side will be self-tightening with a LH thread.
> Similarly British car knock off caps, if the hubs are put on the
wrong
> side of the car, or the car is towed backwards, good chance the
wheels
> will fall off, hasn't happened to me but I've heard several 1st
person
> accounts. Again if you look at the weight of the car, visualize it
> walking around the thread, you can predict that the right side of the
> car will get the LH thread. ( Hit the top of the knock off toward the
> rear of the car to tighten ). LH threaded lug nuts, still used I
> believe on heavy-duty trucks, same principle.
> Other times reverse thread seems to be there only in case of
> catastrophe: Witness every VW and Porsche I'm aware of, they put a LH
> thread on the left side front spindle. Now this has no weight on the
> thread ... in order for the nut to want to turn, first the outside
> bearing would have to start spinning on the spindle, then the d-shape
> washer would have to fail, and the cotter pin or clamping feature
would
> have to fail, ONLY THEN the reverse thread would save the day, until
> the heat build up snaps the spindle anyway.
> On the Pantera ... I don't see any path for the weight of the car to
> walk around the thread of the axle nut ... maybe it's there but I
can't
> see it. However if under acceleration the flange spline failed, the
> nuts would tighten if they followed the flange, yes ? Perhaps this is
> the only reason for the handed thread in this application.
> Or so it seems to me, I could be wrong.
> GD
> From: B Hower via DeTomaso <[13]detomaso at server.detomasolist.com>
> To: Vinh Ly <[14]vinh.d.ly at gmail.com>; Larry Stock
> <[15]larrys at panteraparts.com>
> Cc: Mike Drew <[16]MikeLDrew at aol.com>;
"[17]detomaso at detomasolist.com"
> <[18]detomaso at detomasolist.com>
> Sent: Sunday, May 22, 2016 12:44 PM
> Subject: Re: [DeTomaso] Which axles on which side?
> You would probably never notice a problem.
> Bud #3400 ( Drive it like there is no tomorrow -- for there may not
> be
> ! )
> __________________________________________________________________
> From: Vinh Ly <[19]vinh.d.ly at gmail.com>
> To: Larry Stock <[20]larrys at panteraparts.com>
> Cc: Mike Drew <[21]MikeLDrew at aol.com>; [22]detomaso at detomasolist.com
> Sent: Friday, May 20, 2016 12:56 PM
> Subject: Re: [DeTomaso] Which axles on which side?
> Question, what would be the ramifications if the axles were
> incorrectly
> installed on the wrong side?
> Thanks,
> Vinh Ly
> #7445
> On Fri, May 20, 2016 at 1:48 PM, Larry Stock
> <[1][1][23]larrys at panteraparts.com> wrote:
> S= Sinestro or Left (the Sinister hand that holds the sword when
> dueling
> with the Romans) that goes on the Left side (drivers side)
> Mike, you win the prize for getting this one correct
> Larry
> On 5/20/16, 10:33 AM, "DeTomaso on behalf of Mike Drew via
> DeTomaso"
> <[2][2][24]detomaso-bounces at server.detomasolist.com on behalf of
> [3][3][25]detomaso at server.detomasolist.com> wrote:
>> Hi guys,
>>
>> I thought I would lead off with he first technical question on the
> new
>> forum.
>>
>> The rear axles are marked S and D, for 'left' and 'right'
> respectively.
>> But that speaks to the thread direction (one of them is reverse
> thread,
>> left to tighten)
>>
>> It's my belief that the S or left-tighten axle goes on the left
> side
> of
>> the car but I can't remember for sure. Can somebody confirm or
> deny?
>>
>> Thanks!
>>
>> And welcome back!
>>
>> Mike
>>
>> Sent from my iPhone
>> _______________________________________________
>>
>> Detomaso Forum NO LONGER Managed by POCA
>> Posted emails must not exceed 1.5 Megabytes
>> DeTomaso mailing list
>> [4][4][26]DeTomaso at server.detomasolist.com
>> [5][5][27]http://server.detomasolist.com/mailman/listinfo/detomaso
>>
>> To manage your subscription (change email address, unsubscribe,
> etc.)
> use
>> the links above.
>>
> _______________________________________________
> Detomaso Forum NO LONGER Managed by POCA
> Posted emails must not exceed 1.5 Megabytes
> DeTomaso mailing list
> [6][6][28]DeTomaso at server.detomasolist.com
> [7][7][29]http://server.detomasolist.com/mailman/listinfo/detomaso
> To manage your subscription (change email address, unsubscribe,
> etc.)
> use the links above.
> References
> 1. mailto:[8][30]larrys at panteraparts.com
> 2. mailto:[9][31]detomaso-bounces at server.detomasolist.com
> 3. mailto:[10][32]detomaso at server.detomasolist.com
> 4. mailto:[11][33]DeTomaso at server.detomasolist.com
> 5. [12][34]http://server.detomasolist.com/mailman/listinfo/detomaso
> 6. mailto:[13][35]DeTomaso at server.detomasolist.com
> 7. [14][36]http://server.detomasolist.com/mailman/listinfo/detomaso
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> use the links above.
> References
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> 2. [40]mailto:detomaso-bounces at server.detomasolist.com
> 3. [41]mailto:detomaso at server.detomasolist.com
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> 8. [46]mailto:larrys at panteraparts.com
> 9. [47]mailto:detomaso-bounces at server.detomasolist.com
> 10. [48]mailto:detomaso at server.detomasolist.com
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>
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References
1. mailto:guson at home.se
2. mailto:MikeLDrew at aol.com
3. mailto:guson at home.se
4. mailto:guido_detomaso at prodigy.net
5. mailto:detomaso at detomasolist.com
6. mailto:guson at home.se
7. mailto:guido_detomaso at prodigy.net
8. mailto:b.hower3400 at yahoo.com
9. mailto:vinh.d.ly at gmail.com
10. mailto:larrys at panteraparts.com
11. mailto:MikeLDrew at aol.com
12. mailto:detomaso at detomasolist.com
13. mailto:detomaso at server.detomasolist.com
14. mailto:vinh.d.ly at gmail.com
15. mailto:larrys at panteraparts.com
16. mailto:MikeLDrew at aol.com
17. mailto:detomaso at detomasolist.com
18. mailto:detomaso at detomasolist.com
19. mailto:vinh.d.ly at gmail.com
20. mailto:larrys at panteraparts.com
21. mailto:MikeLDrew at aol.com
22. mailto:detomaso at detomasolist.com
23. mailto:larrys at panteraparts.com
24. mailto:detomaso-bounces at server.detomasolist.com
25. mailto:detomaso at server.detomasolist.com
26. mailto:DeTomaso at server.detomasolist.com
27. http://server.detomasolist.com/mailman/listinfo/detomaso
28. mailto:DeTomaso at server.detomasolist.com
29. http://server.detomasolist.com/mailman/listinfo/detomaso
30. mailto:larrys at panteraparts.com
31. mailto:detomaso-bounces at server.detomasolist.com
32. mailto:detomaso at server.detomasolist.com
33. mailto:DeTomaso at server.detomasolist.com
34. http://server.detomasolist.com/mailman/listinfo/detomaso
35. mailto:DeTomaso at server.detomasolist.com
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37. mailto:DeTomaso at server.detomasolist.com
38. http://server.detomasolist.com/mailman/listinfo/detomaso
39. mailto:larrys at panteraparts.com
40. mailto:detomaso-bounces at server.detomasolist.com
41. mailto:detomaso at server.detomasolist.com
42. mailto:DeTomaso at server.detomasolist.com
43. http://server.detomasolist.com/mailman/listinfo/detomaso
44. mailto:DeTomaso at server.detomasolist.com
45. http://server.detomasolist.com/mailman/listinfo/detomaso
46. mailto:larrys at panteraparts.com
47. mailto:detomaso-bounces at server.detomasolist.com
48. mailto:detomaso at server.detomasolist.com
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