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| [GMCnet] GMC Parked after Turn [message #243668] |
Sat, 15 March 2014 19:14  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Someone recently posted an excellent photo of a GMC's rear wheels parked
after a sharp turn. I need to use that for my Montgomery seminar to show
just how much the rear suspension arms deflect. Can anyone tell me how to
find that photo?
TIA,
Ken H.
Americus, GA
'76 X-Birchaven w/Cad500/Howell EFI & EBL
www.gmcwipersetc.com
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] GMC Parked after Turn [message #243681 is a reply to message #243677] |
Sat, 15 March 2014 19:57  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
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No, that one's scary, OK, but probably abnormal too. The one I'm thinking
of had, IIRC, made a hard right turn, leaving scuff marks, and showed both
rear tires following the arc of the turn, as they normally do. Made from
the right rear quarter.
Thanks,
Ken H.
On Sat, Mar 15, 2014 at 8:39 PM, David Orders wrote:
>
>
> Was it these?
>
>
> http://www.gmcmhphotos.com/photos/fyi/p52729-not-mine-thankfully-but-the-seller.html
>
> --
> 1976 Royale "Twinkie II", 1978 Palm Beach with front end fire. Lynnwood WA- "We may not be able to stop all evil in the world, but I know that how we
> treat one another is entirely up to us."
> _______________________________________________
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] GMC Parked after Turn [message #243684 is a reply to message #243682] |
Sat, 15 March 2014 20:18 |
Otterwan
Messages: 946
Registered: July 2013
Location: Lynnwood (north of Seattl...
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That's the same one that I posted ;o)
1977 Birchaven, Lynnwood WA - "We may not be able to stop all evil in the world, but I know that how we treat one another is entirely up to us."
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| Re: [GMCnet] GMC Parked after Turn [message #243944 is a reply to message #243682] |
Mon, 17 March 2014 13:24 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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| Dennis S wrote on Sat, 15 March 2014 19:10 |
| Ken Henderson wrote on Sat, 15 March 2014 19:14 |
Someone recently posted an excellent photo of a GMC's rear wheels parked
after a sharp turn. I need to use that for my Montgomery seminar to show
just how much the rear suspension arms deflect. Can anyone tell me how to
find that photo?
TIA,
Ken H.
Americus, GA
'76 X-Birchaven w/Cad500/Howell EFI & EBL
www.gmcwipersetc.com
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Ken
Is this the photo?
http://www.gmcmhphotos.com/photos/data/22/IMG_20140130_092120824_HDR.jpg
Dennis
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That coach has serious issues that don't reflect what Ken is talking about. The negative camber is way too much.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] GMC Parked after Turn [message #243996 is a reply to message #243977] |
Mon, 17 March 2014 19:44 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
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""Bob,
What KenH is looking for is photos of the rear wheels of a GMC forming an "X." By that I mean the top of the middle wheel is tilted
inwards (negative camber) and the top of the rear wheel is tilted outwards (positive camber).""
I can't second guess what Ken is looking for ( )) but I know what a typical coach in good shape looks like when making a sharp turn in a parking manuever. The rear wheels will look surprisingly out of line but not to the extent of the coach in the picture.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] GMC Parked after Turn [message #244025 is a reply to message #243978] |
Mon, 17 March 2014 21:34 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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No, Galen, that's not the one. Thanks anyway. The one I remember was
clearly made after a hard right turn of at least 30* on a hard surface
while moving forward, leaving the right center wheel with a lot of positive
toe and the rear with a similar amount of negative toe, some camber change
but that not too significant.
Maybe I'll have find a spot at Montgomery and make my own, but I don't
expect it to be as distorted because I have track guides on my center
wheels, preventing toe changes (or at least very significantly reducing
them). Besides which, a 23' probably does not exhibit as much change.
From Pensacola RV park enroute to Montgomery. The Doanes, Pinkertons,
Rowells, and I are here instead of at the Nicholls' because the heavy rains
made Nicholls' back yard too hazardous for "don't move on wet grass GMC's".
We did got there for a great dinner though (THANKS, Rita). We 4 will
leave here tomorrow morning, planning to RON in Lafayette, LA, where we
should find more GMC's.
Ken H.
On Mon, Mar 17, 2014 at 6:45 PM, Galen Briggs wrote:
>
>
> Is this one like you are after?
> http://www.gmcmhphotos.com/photos/member-galleries/p43481-wonky-wheel.html
>
> From this thread:
>
>
> http://gmc.mybirdfeeder.net/GMCforum/index.php?t=msg&rid=0&th=21209&goto=164361
>
> I remember something more recent but didn't see it...hope it wasn't on
> facebook.
> --
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] GMC Parked after Turn [message #244026 is a reply to message #243978] |
Mon, 17 March 2014 21:38 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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No, Galen, that's not the one. Thanks anyway. The one I remember was
clearly made after a hard right turn of at least 30* on a hard surface
while moving forward, leaving the right center wheel with a lot of positive
toe and the rear with a similar amount of negative toe, some camber change
but that not too significant.
Maybe I'll have find a spot at Montgomery and make my own, but I don't
expect it to be as distorted because I have track guides on my center
wheels, preventing toe changes (or at least very significantly reducing
them). Besides which, a 23' probably does not exhibit as much change.
From Pensacola RV park enroute to Montgomery. The Doanes, Pinkertons,
Rowells, and I are here instead of at the Nicholls' because the heavy rains
made Nicholls' back yard too hazardous for "don't move on wet grass GMC's".
We did got there for a great dinner though (THANKS, Rita). We 4 will
leave here tomorrow morning, planning to RON in Lafayette, LA, where we
should find more GMC's.
Ken H.
On Mon, Mar 17, 2014 at 6:45 PM, Galen Briggs wrote:
>
>
> Is this one like you are after?
> http://www.gmcmhphotos.com/photos/member-galleries/p43481-wonky-wheel.html
>
> From this thread:
>
>
> http://gmc.mybirdfeeder.net/GMCforum/index.php?t=msg&rid=0&th=21209&goto=164361
>
> I remember something more recent but didn't see it...hope it wasn't on
> facebook.
> --
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] GMC Parked after Turn [message #244030 is a reply to message #244026] |
Mon, 17 March 2014 21:50 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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"" Besides which, a 23' probably does not exhibit as much change.
""
Long ST Patties day but I suspect the 23 ft may be worse due to a smaller turning radius. Could be wrong if i take the time to draw it out.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] GMC Parked after Turn [message #244040 is a reply to message #244030] |
Mon, 17 March 2014 22:16 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Bob,
I was basing my guess on the longer lever arm of the 26's wheelbase. You
may well be right. Let me know what the drawings say. Maybe I can use the
drawings instead of photos. :-)
Ken H.
On Mon, Mar 17, 2014 at 10:50 PM, Bob de Kruyff wrote:
>
>
> "" Besides which, a 23' probably does not exhibit as much change.
> ""
>
> Long ST Patties day but I suspect the 23 ft may be worse due to a smaller
> turning radius. Could be wrong if i take the time to draw it out.
> --
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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