Home » Public Forums » GMCnet » stretch
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| Re: stretch [message #327677 is a reply to message #327676] |
Tue, 02 January 2018 14:17   |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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It certainly ain't a "70 model".
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] stretch [message #327683 is a reply to message #327681] |
Tue, 02 January 2018 15:26 |
Will Albers
Messages: 183
Registered: November 2017
Location: Detroit MI (Belleville)
Karma: 2
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I have to say that i love the idea of this thing. Wonder how well it was
duct taped together
On Tue, Jan 2, 2018 at 4:05 PM, John Wright wrote:
> Nope, not a Buskirk stretch!
>
> J.R. Wright
> GMC GreatLakerTech Editor
> 78 Buskirk 30’ Stretch Chassis #5
> 75 Avion Under Reconstruction
> Michigan (On Location In Tucson)
>
>> On Jan 2, 2018, at 1:15 PM, Johnny Bridges via Gmclist gmclist@list.gmcnet.org> wrote:
>>
>> Is this a Buskirk? Doesn't look awful.
>>
>> https://atlanta.craigslist.org/nat/rvs/d/gmc-eleganza/6373944013.html
>>
>> --johnny
>>
>> --
>> 76 26' Eleganza(?) with beaucoup mods and add - ons.
>> Braselton, Ga.
>> "I forgive them all, save those who hurt the dogs. They must answer to
> me in hell" - ol Andy, paraphrased
>>
>>
>> _______________________________________________
>> GMCnet mailing list
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>
>
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1978 Palm Beach.
Detroit Michigan
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| Re: stretch [message #327684 is a reply to message #327676] |
Tue, 02 January 2018 15:47 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Looks like the front was cut off just at the door, and the back was cut behind the driver's seat. Which would make ~~32 feet would it not? I'd want to weigh it and run it over a pit and have a good look at the underpinnings.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] stretch [message #327685 is a reply to message #327681] |
Tue, 02 January 2018 15:45 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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JR,
However, it was stretched between the front and rear wheels like Clarence did.
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of John Wright
Sent: Wednesday, January 3, 2018 8:05 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] stretch
Nope, not a Buskirk stretch!
J.R. Wright
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] stretch [message #327686 is a reply to message #327685] |
Tue, 02 January 2018 16:41 |
powwerjon
Messages: 849
Registered: March 2013
Karma: -2
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Rob,
Nope! Not done like Clarence did them either. His was a proportional stretch as to keep the balance and look of the coach the same only bigger. Put a stretch and a 26 foot in the proper relationship they will look the same length. This coach is just longer and probably handle badly, especially going around corners, I would be concerned that the frame is a patchwork job instead of a set of one piece HD rails
JR
> On Jan 2, 2018, at 2:45 PM, Rob Mueller wrote:
>
> JR,
>
> However, it was stretched between the front and rear wheels like Clarence did.
>
> Regards,
> Rob M.
> The Pedantic Mechanic
> Sydney, Australia
> AUS '75 Avion - The Blue Streak TZE365V100428
> USA '75 Avion - Double Trouble TZE365V100426
> USA '77 Kingsley - TZE 267V100808
>
>
>
> -----Original Message-----
> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of John Wright
> Sent: Wednesday, January 3, 2018 8:05 AM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] stretch
>
> Nope, not a Buskirk stretch!
>
> J.R. Wright
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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| Re: [GMCnet] stretch [message #327691 is a reply to message #327686] |
Tue, 02 January 2018 18:31 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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JR,
Sorry, my intent was to point out the overhang behind the rear wheels was not increased which in my opinion was a good thing.
How's this for a more accurate statement? Clarence's stretches were 3' making the GMC 29 feet long, he had new frame rails made of
heavier gauge "C" channel steel and relocated the rear bogies so that there was a 2 foot increase between the front and rear wheels
and 1 foot behind the rear wheels which as you noted kept it proportional.
Johnny,
I agree, before I bought this coach I'd want to inspect the frame to see how it was stretched and if this coach has fish plated
frame rails I would be concerned depending on the quality of the welding.
I also noted that it has OEM airbags and aluminum cones whereas Clarence used a beefed up version of Lee Harrison's 4 bag system (no
longer available as Lee has passed away).
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] stretch [message #327700 is a reply to message #327691] |
Wed, 03 January 2018 09:40 |
Keith V
Messages: 2337
Registered: March 2008
Location: Mounds View,MN
Karma: 0
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Senior Member |
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This version of the stretch would also increase front wheel load. aren't the front tires pretty close to max already?
________________________________
From: Gmclist on behalf of Rob Mueller
Sent: Tuesday, January 2, 2018 6:31:10 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] stretch
JR,
Sorry, my intent was to point out the overhang behind the rear wheels was not increased which in my opinion was a good thing.
How's this for a more accurate statement? Clarence's stretches were 3' making the GMC 29 feet long, he had new frame rails made of
heavier gauge "C" channel steel and relocated the rear bogies so that there was a 2 foot increase between the front and rear wheels
and 1 foot behind the rear wheels which as you noted kept it proportional.
Johnny,
I agree, before I bought this coach I'd want to inspect the frame to see how it was stretched and if this coach has fish plated
frame rails I would be concerned depending on the quality of the welding.
I also noted that it has OEM airbags and aluminum cones whereas Clarence used a beefed up version of Lee Harrison's 4 bag system (no
longer available as Lee has passed away).
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
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Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
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| Re: stretch [message #327706 is a reply to message #327676] |
Wed, 03 January 2018 11:03 |
lqqkatjon
Messages: 2324
Registered: October 2010
Location: St. Cloud, MN
Karma: 5
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Senior Member |
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This is a known coach. Runs/drives as i understand, but needs everything addressed. Says it is usuable, but his wife is no fan of putting the needed money into this to get it back to glory.
I believe then owner is Cory Sinard.
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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| Re: [GMCnet] stretch [message #327711 is a reply to message #327706] |
Wed, 03 January 2018 13:43 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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I called & talked to "Dwayne", offering to sign him up for the new
GA-GMCers Google Group I've started. He really wasn't interested, saying
he was definitely getting rid of the coach. The ad had given me the
impression he might keep it. He "got another call" so we didn't discuss
the coach.
Ken H.
On Wed, Jan 3, 2018 at 12:03 PM, Jon Roche wrote:
> This is a known coach. Runs/drives as i understand, but needs everything
> addressed. Says it is usuable, but his wife is no fan of putting the
> needed money into this to get it back to glory.
>
> I believe then owner is Cory Sinard.
>
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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] stretch [message #327713 is a reply to message #327700] |
Wed, 03 January 2018 13:51 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Keith,
Below you will find an email I send in whenever the subject of driving a GMC on three rear wheels, it contains information that may
answer your query.
G'day,
Below you will find an email e-mail I wrote years ago which provides information regarding driving a GMC on less than four rear
wheels.
OPERATING A GMC ON LESS THAN FOUR REAR WHEELS/TIRES
REFERENCE: GMC Motorhome Operating Manual X-7821A Page 1 - IMPORTANT INFORMATION ON VEHICLE LOADING.
http://www.bdub.net/manuals/X7821A.zip
GVWR (Gross Vehicle Weight Rating) represents the maximum permissible loaded weight of the vehicle.
26 foot GMC GVWR = 12,500 lbs
GAWR (Gross Axle Weight Rating) the maximum weight that an axle can carry.
26 foot GMC GAWR
GAWR = 4,500 lbs Front Wheels
GAWR = 8,000 lbs Rear Wheels
REFERENCE: Tire Load Range: http://gmcmotorhome.info/tires.html
Tire Load Range: The max load a tire can carry and the pressure required to carry that load.
D load range max load @ 65 PSI = 2,235 pounds
E load range tire max load @ 80 psi = 2,680 pounds
REFERENCE: Alcoa Light Truck, SUV, RV and Motorhome Wheels Fitment Guide
http://www.southwestwheel.com/pictures5/LTFitment-Screen_10-18-01.pdf
P/N: 160231
Style: Classic
Max Wheel Load Pounds: 2780
Capacity ratings as dual or single in highway service - bias-ply or radial
P/N: 160251
Style: LTS 5
Max Wheel Load Pounds: 2440
Capacity ratings as dual or single in highway service - bias-ply or radial
P/N: 161251
Style: Hot Shot
Max Wheel Load Pounds: 2780
Capacity ratings as dual or single in highway service - bias-ply or radial
COMMENTS:
The weight distribution per tire would be dependant on the how much pressure was supplied to the air bag supporting the remaining
tire. For ease of calculations we'll divide the rear GAWR of 8,000 lbs as noted above by four which results in a load per tire of
2,000 lbs. Operating the GMC with one wheel removed the load on the remaining tire would double; going from 2,000 to 4,000 lbs. This
is an overload of 1,765 pounds (~79%) on a D range tire at the maximum pressure of 65 psi and an overload of 1320 pounds (~49%) on
an E load range tire at the maximum pressure of 80 psi. If the tires are not inflated to the pressures noted in the previous
sentence the overload would be even higher.
CONCLUSION:
If you drive your GMC with less than four rear tires supporting the load you WILL be operating the GMC with OVERLOADED TIRE(S) and
OVERLOADED WHEELS!
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Keith V
Sent: Thursday, January 4, 2018 2:40 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] stretch
This version of the stretch would also increase front wheel load. aren't the front tires pretty close to max already?
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: stretch [message #327715 is a reply to message #327676] |
Wed, 03 January 2018 14:26 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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I wonder whether the Buskirk proportioned stretch also maximizes bump clearance, both breakover and driveaway. This one looks like the lack of breakover will ground it at more than one local strip center entrance. The driveaway is unchanged from stock.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] stretch [message #327736 is a reply to message #327715] |
Thu, 04 January 2018 05:38 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Johnny,
Doesn't GMC folklore note that GMC had a 29 foot model on the drawing board?
Hopefully Bill Bryant will see this email and comment.
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Johnny Bridges via Gmclist
Sent: Thursday, January 4, 2018 7:27 AM
To: gmclist@list.gmcnet.org
Cc: Johnny Bridges
Subject: Re: [GMCnet] stretch
I wonder whether the Buskirk proportioned stretch also maximizes bump clearance, both breakover and driveaway. This one looks like
the lack of breakover will ground it at more than one local strip center entrance. The driveaway is unchanged from stock.
--johnny
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] stretch [message #327770 is a reply to message #327767] |
Thu, 04 January 2018 14:45 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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JR,
For the record what's the wheelbase of your stretch as measured from the middle of the front wheel to the middle of the bogies?
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of John Wright
Sent: Friday, January 5, 2018 6:58 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] stretch
Johnny & Rob
The extra length of the Buskirk Stretch ( Actual 29.5 feet ) does change the turning radius a little as it can be more difficult to get into some gas station layouts, our 26 foot was easier to maneuver. as for the rear overhang or driveway issues it totally depends on how sharp the drop is. The coach has 2 big skip plates behind the rear wheels.
I had talked with Clarence a number of times on the stretch coaches and actually saw and toured the coach we owned when it was being finished. When he was designing the stretch coaches he told me that he had talked to several GMC engineers on the best way to lengthen the chassis. Who they were I don’t know but I suspect that one was Alex Birch.
J.R. Wright
GMC GreatLakerTech Editor
78 Buskirk 30’ Stretch (Act 29.5’)
75 Avion Under Reconstruction
Michigan (On Location in Tucson)
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] stretch [message #327777 is a reply to message #327770] |
Thu, 04 January 2018 16:05 |
powwerjon
Messages: 849
Registered: March 2013
Karma: -2
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Senior Member |
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Rob,
The coach is in storage here at Rincon West RV Park. I will go and try and measure it today
JR
> On Jan 4, 2018, at 1:45 PM, Rob Mueller wrote:
>
> JR,
>
> For the record what's the wheelbase of your stretch as measured from the middle of the front wheel to the middle of the bogies?
>
> Regards,
> Rob M.
> The Pedantic Mechanic
> Sydney, Australia
> AUS '75 Avion - The Blue Streak TZE365V100428
> USA '75 Avion - Double Trouble TZE365V100426
> USA '77 Kingsley - TZE 267V100808
>
>
> -----Original Message-----
> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of John Wright
> Sent: Friday, January 5, 2018 6:58 AM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] stretch
>
> Johnny & Rob
>
> The extra length of the Buskirk Stretch ( Actual 29.5 feet ) does change the turning radius a little as it can be more difficult to get into some gas station layouts, our 26 foot was easier to maneuver. as for the rear overhang or driveway issues it totally depends on how sharp the drop is. The coach has 2 big skip plates behind the rear wheels.
>
> I had talked with Clarence a number of times on the stretch coaches and actually saw and toured the coach we owned when it was being finished. When he was designing the stretch coaches he told me that he had talked to several GMC engineers on the best way to lengthen the chassis. Who they were I don’t know but I suspect that one was Alex Birch.
>
> J.R. Wright
> GMC GreatLakerTech Editor
> 78 Buskirk 30’ Stretch (Act 29.5’)
> 75 Avion Under Reconstruction
> Michigan (On Location in Tucson)
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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| Re: [GMCnet] stretch [message #327786 is a reply to message #327770] |
Thu, 04 January 2018 18:56 |
powwerjon
Messages: 849
Registered: March 2013
Karma: -2
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Senior Member |
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Rob,
A semi accurate measurement using tape measure and an eyeball to check the measurement from the middle of the bogie to the centerline of the front wheel is 192 inches or 16 feet. If you look at the pictures of the side of the coach Majority was added between entry door and the leading edge of the wheel well of the middle bogie. A smaller amount was added after the trailing edge of the rear part of the rear bogie and the LP Door.
29.5 foot coach
http://www.gmcmhphotos.com/photos/1978-buskirk-stretch/p48947-pa252055.html
Notice the big difference between the trailing edge of the door and the leading edge of the wheel well. 2 foot 9 inches and about 9 inches after the rear bogie trailing edge of the wheel well.
26 foot coach
http://www.gmcmhphotos.com/photos/77-gmc-exterior/p37090-mvc-014s1.html
The 26 foot coach has about 2” on each side of the wheel wells.
JR
> On Jan 4, 2018, at 1:45 PM, Rob Mueller wrote:
>
> JR,
>
> For the record what's the wheelbase of your stretch as measured from the middle of the front wheel to the middle of the bogies?
>
> Regards,
> Rob M.
> The Pedantic Mechanic
> Sydney, Australia
> AUS '75 Avion - The Blue Streak TZE365V100428
> USA '75 Avion - Double Trouble TZE365V100426
> USA '77 Kingsley - TZE 267V100808
>
>
> -----Original Message-----
> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of John Wright
> Sent: Friday, January 5, 2018 6:58 AM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] stretch
>
> Johnny & Rob
>
> The extra length of the Buskirk Stretch ( Actual 29.5 feet ) does change the turning radius a little as it can be more difficult to get into some gas station layouts, our 26 foot was easier to maneuver. as for the rear overhang or driveway issues it totally depends on how sharp the drop is. The coach has 2 big skip plates behind the rear wheels.
>
> I had talked with Clarence a number of times on the stretch coaches and actually saw and toured the coach we owned when it was being finished. When he was designing the stretch coaches he told me that he had talked to several GMC engineers on the best way to lengthen the chassis. Who they were I don’t know but I suspect that one was Alex Birch.
>
> J.R. Wright
> GMC GreatLakerTech Editor
> 78 Buskirk 30’ Stretch (Act 29.5’)
> 75 Avion Under Reconstruction
> Michigan (On Location in Tucson)
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| Re: [GMCnet] stretch [message #327799 is a reply to message #327786] |
Fri, 05 January 2018 05:38 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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JR,
The wheel base of a 26' (312") GMC according to the drawings provided by Boyd Mooney is 160 inches from the center of the front wheel to the center of the bogie pivots.
A Buskirk Stretch is 29.5" (354") and 192" from the center of the front wheel to the center of the bogie pivots.
Therefore 32" was added between the bogie and the front wheel leaving 10" behind the rear wheel.
Do these numbers make sense to you?
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of John Wright
Sent: Friday, January 5, 2018 11:56 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] stretch
Rob,
A semi accurate measurement using tape measure and an eyeball to check the measurement from the middle of the bogie to the centerline of the front wheel is 192 inches or 16 feet. If you look at the pictures of the side of the coach Majority was added between entry door and the leading edge of the wheel well of the middle bogie. A smaller amount was added after the trailing edge of the rear part of the rear bogie and the LP Door.
29.5 foot coach
http://www.gmcmhphotos.com/photos/1978-buskirk-stretch/p48947-pa252055.html
Notice the big difference between the trailing edge of the door and the leading edge of the wheel well. 2 foot 9 inches and about 9 inches after the rear bogie trailing edge of the wheel well.
26 foot coach
http://www.gmcmhphotos.com/photos/77-gmc-exterior/p37090-mvc-014s1.html
The 26 foot coach has about 2” on each side of the wheel wells.
JR
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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