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| Re: Hensley GMC Motorhome Airbag Solution [message #118025 is a reply to message #118012] |
Tue, 08 March 2011 12:30   |
jknezek
Messages: 1057
Registered: December 2007
Karma: 5
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I'll give him credit. It's a very nice presentation. That big shows a lot of movement to my eye when it travels over the bump. Not sure how much the OEM shows, but that looks like a lot of stress on the short bag. I'd be interested in some opinions as $600 for a pair certainly seems to be the cheapest of the options available. I think the single bag design out of Southland is more than that...
Thanks,
Jeremy Knezek
1976 Glenbrook
Birmingham, AL
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| Re: [GMCnet] Hensley GMC Motorhome Airbag Solution [message #118058 is a reply to message #118035] |
Tue, 08 March 2011 16:00 |
Larry C
Messages: 1168
Registered: July 2004
Location: NE Illinois by the Illino...
Karma: 0
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I am impressed.
You would not need it as an emergency bag since you would replace your old rotton OEM bag with this.
Maybe a pair should be bought and held for travelers in trouble.
I don't know if you are losing travel or not. The fact that it wont bottom out, something I mentioned as being a problem when I bought the 4 bagger, is a huge benefit. You can't be stranded because of a bag or air system failure..... That is a big plus over all the available systems.
But it looks to me that it won't duplicate driving over 4x4 boards like the OEM bag was demonstrated doing.
So now you all have another bag replacement to peruse....
With the exception of the first one with the bendy metal plates, I think they are all good replacements for the now unavailable OEM bag. Just don't expect the entire movement that the OEM bag allowed.
far as I know, this is the only replacement the prohibits bottoming out and I give that a big PLUS, as my coach bottoms out with the 4 bagger.
Gatsbys' CRUISER  08-18-04
74 GLACIER X, 260/455-APC-4 Bagg'r
Remflex Manifold gaskets
CampGrounds needed, Add yours to "PLACES" />
http://www.gmceast.com/travel
_
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| Re: [GMCnet] Hensley GMC Motorhome Airbag Solution [message #118059 is a reply to message #118055] |
Tue, 08 March 2011 16:01 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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It looks to me like leveling would definitely be an issue. It does not appear to have adequate travel. If he had addressed that on the video, I would feel better about it. I have heard that the Quad bag system makes for a marked improvement in the handling characteristics of the coach and I'm sure this new single bag would not have any advantage there, over the original system. I agree it would make a good emergency bag though.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: [GMCnet] Hensley GMC Motorhome Airbag Solution [message #118083 is a reply to message #118058] |
Tue, 08 March 2011 17:31 |
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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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Larry,
Yesterday I finished up cutting out two pieces of wood that will fill the
area in between the bag mounting vertical plates on a Harrison Four Bag
system. Hopefully this should solve the problem of the plates bending.
I hope to have it all finished before I head to the USA and will publish
instructions and photographs on how to do it.
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 Larry
Sent: Wednesday, March 09, 2011 9:01 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Hensley GMC Motorhome Airbag Solution
With the exception of the first one with the bendy metal plates, I think
they are all good replacements for the now unavailable OEM bag.
--
Gatsbys' CRUISER :d
74 GLACIER X, 260
455/APC/4 bagg'r(ver3)
Remflex Manifold gaskets
_______________________________________________
Purchased 08-18-04
_______________________________________________
GMCnet mailing list
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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] Hensley GMC Motorhome Airbag Solution [message #118093 is a reply to message #118025] |
Tue, 08 March 2011 18:17 |
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The Hensley bag preserves the original design of the rear suspension -- it
allows one to push against the other so the tendency is to have less up and
down motion when traveling.
The bag does seem to have less travel than the system developed by Southland
Motorhome in Georgia (their website is back up though the photos and website
look like the work of a real novice).
Southland is asking $450 per side which includes an adapter. According to
reports the Hensley system is $600 for two and needs no adapter. Plus he
includes the Shrader valves.
I wish Hensley had stated how much travel there is with his setup. That
would resolve a lot of questioning.
As to the double bag system, it defeats the interaction of one wheel against
the other since the divider is static. However, the rear end is more stable
which is great if pulling a tow. Travel is reduced in comparison to the
original design from what I understand.
So, you get to pick and choose.
Byron Songer
1978 Royale by Coachmen
Louisville, KY
Personal - http://web.me.com/bnsonger
Eastern States - http://www.gmceast.com
Jeremy wrote:
>
>
> I'll give him credit. It's a very nice presentation. That big shows a lot of
> movement to my eye when it travels over the bump. Not sure how much the OEM
> shows, but that looks like a lot of stress on the short bag. I'd be interested
> in some opinions as $600 for a pair certainly seems to be the cheapest of the
> options available. I think the single bag design out of Southland is more than
> that...
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
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--
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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| Re: [GMCnet] Hensley GMC Motorhome Airbag Solution [message #118096 is a reply to message #118093] |
Tue, 08 March 2011 18:41 |
Dennis S
Messages: 3046
Registered: November 2005
Karma: 2
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Senior Member |
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Byron et al,
Awaiting a reply ---
I emailed Dan earlier today to ask about the range of height adjustment and how it compared to the original.
Dennis Sexton
73 GMC
Sent from my iPad
On Mar 8, 2011, at 6:17 PM, Byron Songer <bsonger@songerconsulting.net> wrote:
> The Hensley bag preserves the original design of the rear suspension -- it
> allows one to push against the other so the tendency is to have less up and
> down motion when traveling.
>
> The bag does seem to have less travel than the system developed by Southland
> Motorhome in Georgia (their website is back up though the photos and website
> look like the work of a real novice).
>
> Southland is asking $450 per side which includes an adapter. According to
> reports the Hensley system is $600 for two and needs no adapter. Plus he
> includes the Shrader valves.
>
> I wish Hensley had stated how much travel there is with his setup. That
> would resolve a lot of questioning.
>
> As to the double bag system, it defeats the interaction of one wheel against
> the other since the divider is static. However, the rear end is more stable
> which is great if pulling a tow. Travel is reduced in comparison to the
> original design from what I understand.
>
> So, you get to pick and choose.
>
> Byron Songer
> 1978 Royale by Coachmen
> Louisville, KY
> Personal - http://web.me.com/bnsonger
> Eastern States - http://www.gmceast.com
>
>
>
> Jeremy wrote:
>
>>
>>
>> I'll give him credit. It's a very nice presentation. That big shows a lot of
>> movement to my eye when it travels over the bump. Not sure how much the OEM
>> shows, but that looks like a lot of stress on the short bag. I'd be interested
>> in some opinions as $600 for a pair certainly seems to be the cheapest of the
>> options available. I think the single bag design out of Southland is more than
>> that...
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
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Dennis S
73 Painted Desert 230
Memphis TN Metro
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| Re: Hensley GMC Motorhome Airbag Solution [message #118099 is a reply to message #118012] |
Tue, 08 March 2011 18:59 |
Chr$
Messages: 2690
Registered: January 2004
Location: Scottsdale, AZ
Karma: 1
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Senior Member |
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Wish I had this option. I think the quadra bag rides too hard. This guy is in my back yard too! Too bad he kept it a secret during it's development.
-Chr$: Perpetual SmartAss
Scottsdale, AZ
77 Ex-Kingsley 455 SOLD!
2010 Nomad 24 Ft TT 390W PV W/MPPT, EV4010 and custom cargo door.
Photosite: Chrisc GMC:"It has Begun" TT: "The Other Woman"
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| Re: [GMCnet] Hensley GMC Motorhome Airbag Solution [message #118101 is a reply to message #118093] |
Tue, 08 March 2011 19:18 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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The system is ideal for those that are not seeking a full travel the
the other units out there is offering.
I know we can cut the price on these by $100 total.
The ride will be hard from what our data from our tests from 2 years
ago will confirm.
I believe the pressure will run from 100-115psi while the original and
the Q Bags run 80-90psi.
On Tue, Mar 8, 2011 at 4:17 PM, Byron Songer
<bsonger@songerconsulting.net> wrote:
> The Hensley bag preserves the original design of the rear suspension -- it
> allows one to push against the other so the tendency is to have less up and
> down motion when traveling.
>
> The bag does seem to have less travel than the system developed by Southland
> Motorhome in Georgia (their website is back up though the photos and website
> look like the work of a real novice).
>
> Southland is asking $450 per side which includes an adapter. According to
> reports the Hensley system is $600 for two and needs no adapter. Plus he
> includes the Shrader valves.
>
> I wish Hensley had stated how much travel there is with his setup. That
> would resolve a lot of questioning.
>
> As to the double bag system, it defeats the interaction of one wheel against
> the other since the divider is static. However, the rear end is more stable
> which is great if pulling a tow. Travel is reduced in comparison to the
> original design from what I understand.
>
> So, you get to pick and choose.
>
> Byron Songer
> 1978 Royale by Coachmen
> Louisville, KY
> Personal - http://web.me.com/bnsonger
> Eastern States - http://www.gmceast.com
>
>
>
> Jeremy wrote:
>
>>
>>
>> I'll give him credit. It's a very nice presentation. That big shows a lot of
>> movement to my eye when it travels over the bump. Not sure how much the OEM
>> shows, but that looks like a lot of stress on the short bag. I'd be interested
>> in some opinions as $600 for a pair certainly seems to be the cheapest of the
>> options available. I think the single bag design out of Southland is more than
>> that...
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Hensley GMC Motorhome Airbag Solution [message #118103 is a reply to message #118093] |
Tue, 08 March 2011 19:22 |
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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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Byron,
Your wish is my command!
Hensley does not state the type of bag they use, however, here's the data on
the a couple:
Bag used on Leigh Harrison's Four Bag system:
http://www.firestoneindustrial.com/pdfs/datasheets/W013583400.pdf
Bag used on Jim K's Quadra Bag system:
http://firestoneindustrial.com/pdfs/datasheets/W013587325.pdf
I interpret the Design Height to mean Max Height, however, that is my GUESS!
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 Byron Songer
Sent: Wednesday, March 09, 2011 11:18 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Hensley GMC Motorhome Airbag Solution
I wish Hensley had stated how much travel there is with his setup. That
would resolve a lot of questioning.
Byron Songer
1978 Royale by Coachmen
Louisville, KY
Personal - http://web.me.com/bnsonger
Eastern States - http://www.gmceast.com
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List 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: Hensley GMC Motorhome Airbag Solution [message #118154 is a reply to message #118012] |
Tue, 08 March 2011 23:43 |
Luvn737s
Messages: 1106
Registered: June 2007
Karma: 2
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Senior Member |
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I guess I'm the lone dissenter here. When I looked at it in person and in the video it looked like there was nothing there to trap any side-to-side movement of the airbag between the bogie arms. All of that had to be absorbed by the bag, which I don't think it was designed to do. The bags look like ones mounted to absorb up and down motion, not in and out and perhaps side to side. The Southland bag is a single airspring, not two smaller ones and looks like it was designed for the application.
I don't want to discourage anyone from developing things that will help our community of GMCers, but this one needs a little more support structure to put my mind at ease.
Randy
1973 26' Painted Desert
Ahwatukee (Phoenix) AZ
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| Re: Hensley GMC Motorhome Airbag Solution [message #118178 is a reply to message #118154] |
Wed, 09 March 2011 09:14 |
rwbmitiopt@comcast.net
Messages: 189
Registered: April 2005
Karma: 0
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Senior Member |
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Randy
I don't have a dog in this fight as I had to bag blow shortly after I purchased my coach. Replaced both from Cinnabar for about $600. Supply and demand.
I'm not sure what this new system lacks over the original. Am I missing something? Of course you've seen the install in person.
Randall
| Luvn737s wrote on Tue, 08 March 2011 21:43 |
I guess I'm the lone dissenter here. When I looked at it in person and in the video it looked like there was nothing there to trap any side-to-side movement of the airbag between the bogie arms. All of that had to be absorbed by the bag, which I don't think it was designed to do. The bags look like ones mounted to absorb up and down motion, not in and out and perhaps side to side. The Southland bag is a single airspring, not two smaller ones and looks like it was designed for the application.
I don't want to discourage anyone from developing things that will help our community of GMCers, but this one needs a little more support structure to put my mind at ease.
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Randall Burns
Sammamish WA
75 EX GB
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