| [GMCnet] SOMETHING TO CONSIDER [message #105726] |
Thu, 11 November 2010 19:04  |
Charles Aulgur
Messages: 78
Registered: March 2006
Karma: 0
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Member |
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On my trip home from the Las Vegas GMCWS rally, I lost the steel-
belt and all the tread rubber on one of my B. F. Goodrich tires on a
mid-axle wheel. It did absolutely no damage to anything and it did
not loose tire pressure. I was able to drive about three miles to
where there was an off-ramp to a safe place to change the tire. The
tire was 8 years old and should have been replaced but I failed to
keep a close watch on my maintenance records. I didn't thing they
were over 4 years old. How time flays when one gets older.
The reason for this post is that I had similar failures on some
Michelin tires about 12 years ago and it did over $2K total damage
to my coach on both rear sides. One major difference is that I now
have the Quad Bag system and their frame provides a lot of
protection. However, I believe the like of damage is because the
tire failure occurred on the driver's side where I have an electric
applied parking brake with swing arms mounted on the outer Quad Bag
frame. When the parking brake is applied a scissors jack type action
moves a 4" square pad out against the two opposite rear tires to lock
them together. When these parking pads are in the "off" position
they are about 1" from the center of the tires and they can pivot to
mate with the tire surface. What I believe happened is when the
tread and steel belt broke, they caught on the parking brake pad for
the mid wheel and pealed all the rubber off the tire carcass which
prevented the loose steel belt and tread from flopping around in the
wheel well and do all the damage previously caused under similar
conditions. If you want to view my parking brake unit you can go to
the GMC photo site and search for username "chuckieboy". I don't
post a URL because in the past your PCs don't understand my Mac and I
don't know how to correctly do it.
What I plan on doing is mounting something on the passenger side rear
wheels that simulate the parking brake pads.
Chuck Aulgur
La Mesa, CA
76 Royale still with great brakes
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| Re: [GMCnet] SOMETHING TO CONSIDER [message #105729 is a reply to message #105726] |
Thu, 11 November 2010 19:20  |
g.winger
Messages: 792
Registered: February 2008
Location: Warrenton,Missouri
Karma: 0
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Senior Member |
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On the way to Western States rally at Estes. We also lost the tread and still had air. 2k in damages. Wrecked the gen. door. Whats bad is it was vibrating alot and getting progresivly worse. Stopped twice and the second time lifted and spun all 3 on the right side. Left rear went. One of the reasons we picked this one was the tires were fairly new. 2 purchased the year before and 4, two years before. 2 yrs old right,,,wrong. one was 7 but purchase only 2 yrs. before. Thank you for your post chuck,,, glad you"re here,,,,PL
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| Re: [GMCnet] SOMETHING TO CONSIDER [message #105735 is a reply to message #105726] |
Thu, 11 November 2010 20:09 |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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Senior Member |
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| Charles Aulgur wrote on Thu, 11 November 2010 17:04 |
... If you want to view my parking brake unit you can go to
the GMC photo site and search for username "chuckieboy". I don't
post a URL because in the past your PCs don't understand my Mac and I
don't know how to correctly do it. ...
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http://www.gmcmhphotos.com/photos/showphoto.php?photo=28661
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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| Re: [GMCnet] SOMETHING TO CONSIDER [message #105740 is a reply to message #105726] |
Thu, 11 November 2010 20:52 |
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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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G'day Chuck,
I went to your photo site and the instant I looked at what you had done this
popped into my mind:
http://tinyurl.com/2uomloz
I'll bet it wouldn't be difficult to mount one of these to face of the
Quadra bag bracket and connect a geared electric window motor or windshield
wiper motor to it and Bob's your uncle!
Regards,
Rob M.
USAussie
PS - "Bob's Your Uncle" =
http://en.wikipedia.org/wiki/Bob's_your_uncle
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Charles Aulgur
Sent: Thursday, November 11, 2010 7:04 PM
To: GMCnet
Subject: [GMCnet] SOMETHING TO CONSIDER
On my trip home from the Las Vegas GMCWS rally, I lost the steel-
belt and all the tread rubber on one of my B. F. Goodrich tires on a
mid-axle wheel. It did absolutely no damage to anything and it did
not loose tire pressure. I was able to drive about three miles to
where there was an off-ramp to a safe place to change the tire. The
tire was 8 years old and should have been replaced but I failed to
keep a close watch on my maintenance records. I didn't thing they
were over 4 years old. How time flays when one gets older.
The reason for this post is that I had similar failures on some
Michelin tires about 12 years ago and it did over $2K total damage
to my coach on both rear sides. One major difference is that I now
have the Quad Bag system and their frame provides a lot of
protection. However, I believe the like of damage is because the
tire failure occurred on the driver's side where I have an electric
applied parking brake with swing arms mounted on the outer Quad Bag
frame. When the parking brake is applied a scissors jack type action
moves a 4" square pad out against the two opposite rear tires to lock
them together. When these parking pads are in the "off" position
they are about 1" from the center of the tires and they can pivot to
mate with the tire surface. What I believe happened is when the
tread and steel belt broke, they caught on the parking brake pad for
the mid wheel and pealed all the rubber off the tire carcass which
prevented the loose steel belt and tread from flopping around in the
wheel well and do all the damage previously caused under similar
conditions. If you want to view my parking brake unit you can go to
the GMC photo site and search for username "chuckieboy". I don't
post a URL because in the past your PCs don't understand my Mac and I
don't know how to correctly do it.
What I plan on doing is mounting something on the passenger side rear
wheels that simulate the parking brake pads.
Chuck Aulgur
La Mesa, CA
76 Royale still with great brakes
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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] SOMETHING TO CONSIDER [message #105747 is a reply to message #105740] |
Thu, 11 November 2010 23:24 |
John Sharpe
Messages: 489
Registered: February 2006
Location: Texas
Karma: 1
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Senior Member |
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Looks like a parking brake to me. NOT an emergency brake! Interesting things would definitely happen if applied while moving. But after all, we are only required to have is a parking brake.
John Sharpe
Humble,TX
'78 Eleganza TBI
'89 Spectrum 2000 MPI V-10
'40 Ford Panel Delivery TPI
johnasharpe@gmail.com
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