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| New RV Buddies article [message #112691] |
Sat, 22 January 2011 20:28  |
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Hardie Johnson
Messages: 483
Registered: January 2004
Location: Raleigh NC
Karma: 0
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Senior Member |
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"Once again, driving with these brakes won’t just
make you smile – you’ll laugh-out-loud.
The performance is ridiculous. However you must
remember to be responsible. As much as you will think
you’re in a sports car – remember you’re
traveling in a 26,000 motor home!"
Well, it's still a 1978  and it weighs about 12,000 pounds, even though it is 26 feet long. There's a real number in there somewhere . . .
"With the new 6-wheel rear suspension
and disc brakes, you can now stop on a dime."
Has anyone actually done any braking distance runs? 60-0 in how many feet? And where are the two extra wheels mounted?
"The “Chuck Aulgur Rear Anti-Skid Kit” prevents
the back rear wheels from skidding and having
the rear of the RV move in front of you.
It also eliminates torque on the center bogie arms
which provides for more effective braking on
all four rear wheels. Translation: Your coach is safer
and you won’t end up with four bald spots on
your tires after a panic stop."
Does this overstate the case? If the rear wheels cannot be locked up (isn't that what it means if they do not skid?) has anything been improved? Clearly this text describes the effect of some sort of ABS technology, which I do not think it actually implements, does it? If one pair locks up then retarding force would be reduced, but if the other pair would continue to roll that would reduce the tendency to skid. I thought that was the behavior we have with the stock system?
Does it 'eliminate torque' as he writes, or just change the way the reaction forces influence the chassis? Eliminating the torque from brake reaction is of course impossible. Changing how it affects the chassis and the wheels, maybe.
The new system may well be better, but it would be helpful if someone actually quantified this.
Certainly in the last 30 years a lot has been learned about suspension action under braking and acceleration, anti-dive and anti-squat are common considerations for geometry these days, and if anyone has stepped up to the plate for our coaches it is Jim and Chuck.
I am not saying the system is an ineffective use of time, money, and effort, just it seems the level of rhetoric about the advantages is escalating. Numbers would help.
The article can be found at:
http://rvbuddies.net/project-gmc-phase-1-brakes-and-suspension-applied-gmc/
"Jim, congratulations on the new disciple!"
Hardie Johnson "Crashj"
1973 26 foot Glacier, White Thing
Raleigh NC
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| Re: [GMCnet] New RV Buddies article [message #112700 is a reply to message #112691] |
Sat, 22 January 2011 21:52  |
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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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Hardie,
I doubt you, I, or anyone that has a GMC, has worked on it themselves and
has been reading the GMCnet for any length of time is going to learn
anything of any use from RV Buddies.
As they say; "there's no business like show business!"
I've watched the episode and they're right, I did laugh out loud, not at the
GMC but at the stupid comments Mark and his buddy make. I reckon Alex the
dog is the brightest one in that trio at least he keeps his mouth shut!
HOWEVER, it will call attention to the GMC and hopefully help make people
aware of what we all know - GMC's are a great Motorhome!
Regards,
Rob M.
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Hardie Johnson
Sent: Sunday, January 23, 2011 1:29 PM
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] New RV Buddies article
"Once again, driving with these brakes won’t just
make you smile – you’ll laugh-out-loud.
The performance is ridiculous. However you must
remember to be responsible. As much as you will think
you’re in a sports car – remember you’re
traveling in a 26,000 motor home!"
Well, it's still a 1978 ;) and it weighs about 12,000 pounds, even though it
is 26 feet long. There's a real number in there somewhere . . .
"With the new 6-wheel rear suspension
and disc brakes, you can now stop on a dime."
Has anyone actually done any braking distance runs? 60-0 in how many feet?
And where are the two extra wheels mounted?
"The “Chuck Aulgur Rear Anti-Skid Kit” prevents
the back rear wheels from skidding and having
the rear of the RV move in front of you.
It also eliminates torque on the center bogie arms
which provides for more effective braking on
all four rear wheels. Translation: Your coach is safer
and you won’t end up with four bald spots on
your tires after a panic stop."
Does this overstate the case? If the rear wheels cannot be locked up (isn't
that what it means if they do not skid?) has anything been improved? Clearly
this text describes the effect of some sort of ABS technology, which I do
not think it actually implements, does it? If one pair locks up then
retarding force would be reduced, but if the other pair would continue to
roll that would reduce the tendency to skid. I thought that was the behavior
we have with the stock system?
Does it 'eliminate torque' as he writes, or just change the way the reaction
forces influence the chassis? Eliminating the torque from brake reaction is
of course impossible. Changing how it affects the chassis and the wheels,
maybe.
The new system may well be better, but it would be helpful if someone
actually quantified this.
Certainly in the last 30 years a lot has been learned about suspension
action under braking and acceleration, anti-dive and anti-squat are common
considerations for geometry these days, and if anyone has stepped up to the
plate for our coaches it is Jim and Chuck.
I am not saying the system is an ineffective use of time, money, and effort,
just it seems the level of rhetoric about the advantages is escalating.
Numbers would help.
The article can be found at:
http://rvbuddies.net/project-gmc-phase-1-brakes-and-suspension-applied-gmc/
"Jim, congratulations on the new disciple!"
--
Hardie Johnson "Crashj"
1973 26 foot Glacier, White Thing
Raleigh NC
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List Information and Subscription 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] New RV Buddies article [message #112717 is a reply to message #112700] |
Sun, 23 January 2011 06:32 |
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Hardie Johnson
Messages: 483
Registered: January 2004
Location: Raleigh NC
Karma: 0
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Senior Member |
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| Robert Mueller wrote on Sat, 22 January 2011 22:52 |
Hardie,
I doubt you, I, or anyone that has a GMC, has worked on it themselves and has been reading the GMCnet for any length of time is going to learn anything of any use from RV Buddies.
<>
HOWEVER, it will call attention to the GMC and hopefully help make people aware of what we all know - GMC's are a great Motorhome!
Regards,
Rob M.
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
<>
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Okay, no such thing as bad publicity, eh?
Hardie Johnson "Crashj"
1973 26 foot Glacier, White Thing
Raleigh NC
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| Re: [GMCnet] New RV Buddies article [message #112720 is a reply to message #112717] |
Sun, 23 January 2011 07:36 |
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It's called "free marketing". Having a name out there gets talk going.
For instance, some journalists' attempt to get others not to write about
Sarah Palin for a month even got journalists talking about Sarah Palin.
BTW, Palin is the opposite of a moose -- she looks much nicer but opens her
mouth too much. Have you ever noticed how a moose keeps its mouth shut
unless some noise is necessary?
As to the RV Buddies - The show isn't called RV Smarties for a reason.
Byron Songer
1978 Royale by Coachmen
Louisville, KY
Personal - http://web.me.com/bnsonger
Eastern States - http://www.gmceast.com
Hardie Johnson wrote:
>
>
> Robert Mueller wrote on Sat, 22 January 2011 22:52
>> Hardie,
>> I doubt you, I, or anyone that has a GMC, has worked on it themselves and has
>> been reading the GMCnet for any length of time is going to learn anything of
>> any use from RV Buddies.
>> <>
>> HOWEVER, it will call attention to the GMC and hopefully help make people
>> aware of what we all know - GMC's are a great Motorhome!
>>
>> Regards,
>> Rob M.
>> USAussie - Downunder
>> AUS '75 Avion - The Blue Streak TZE365V100428
>> USA '75 Avion - Double Trouble TZE365V100426
>> <>
>
> Okay, no such thing as bad publicity, eh?
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
--
Byron Songer
Full-timing to enjoy the USA
Former owner but still an admirer
GMC paint schemes at -
http://www.songerconsulting.net
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