Home » Public Forums » GMCnet » Wireless Air System
| Wireless Air System [message #160636] |
Fri, 17 February 2012 07:31  |
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mgrue
Messages: 192
Registered: October 2010
Location: Valmeyer IL
Karma: 0
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Senior Member |
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I was looking at the wireless air system from Applied. In the online catalog it does not say how it finds the ride height. Does anyone have one and can you describe what it uses for ride height control? I like the idea of being able to control it from the outside for leveling at the campsite but I dont understand how it works. Thanks
Mark
Mark Grueninger 76 Palm Beach
Valmeyer IL
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| Re: [GMCnet] Wireless Air System [message #160662 is a reply to message #160655] |
Fri, 17 February 2012 10:44  |
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Rob,
Again, another well-put response covering all of the bases. The simple
answer is, however, that you set the ride height visually. To those of us
that are used to it, it works as an inexpensive replacement system.
As to how the GMC handles, I couldn't tell much difference as the road
conditions were never ideal except when driving from a garage or good
concrete parking area. However, when the rear is level with the front the
GMC doesn't handle well. When it's lower than the front everything is OK.
Since the fuel tanks are in the middle I suspect that the most sensitive
driver will notice a difference. Whereas the fresh water tank is in the
rear, whether it is full or empty will make the greatest difference.
Probably the greater thing to effect handling and feel is the difference
between single bag and bogies system where wheels are free to react to each
other dynamically and a replacement system that puts a vertical stabilizer
between two bags and restricts the dynamic interaction as originally
designed by engineers for the TZE -- IMHO.
--
Byron Songer
Louisville, KY
http://www.gmceast.com
Sights to see and places to stay
Find or submit a
GMCer recommendation
http://www.gmceast.com/travel
Rob Mueller wrote:
> Mark,
>
> The wireless air system is a pressure control system, it does not adjust the
> ride height as conditions (weight) change (consume fuel) while underway.
>
> There have been a number of different statements made here that vary from
> "it doesn't matter" to "it's very important." I am of the OPINION that the
> engineers that designed the GMC installed the ride height control system for
> a reason and that's good enough for me.
>
> Whether or not the change in weight affects your GMC only YOU can determine.
> It has been my observation that these coaches react differently handling
> wise to changes in rear ride height. The best / cheapest way to do determine
> if yours will is to:
>
> 1) install a set of valves at the inlet to the air bags
> 2) load your coach as you would for a trip - full fuel tanks
> 3) set the ride height as per the MM
> 4) head out on the highway
> 5) see how your GMC handles as you consume gas as you ease on down the road
>
> If you're happy with the way it handles as the fuel tanks go from full to
> empty you're good to go; install the system.
>
> One other consideration the wireless air system will only put out 100 psi so
> you need to make sure that you can get to the correct ride height with that
> amount of pressure. As I understand it some coaches require more than that
> which requires installation of air bag risers. That's no big thing except
> that they will affect the max up and max down you can get leveling at a
> campsite as the extenders raise the airbags by extending the length of the
> vertical arm on the bogie. If the max length of the air bag is 10" and you
> raise its mounting points the amount the GMC will go up and down will
> change.
>
> The last paragraph won't affect you as you have the "MG suspension system"
> installed and the air pressures required are below 100 psi!
>
> Regards,
> Rob M.
>
> -----Original Message-----
> From: Mark Grueninger
>
> I was looking at the wireless air system from Applied. In the online
> catalog it does not say how it finds the ride height. Does anyone have one
> and can you describe what it uses for ride height control? I like the idea
> of being able to control it from the outside for leveling at the campsite
> but I dont understand how it works. Thanks
>
> Mark
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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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] Wireless Air System [message #160667 is a reply to message #160666] |
Fri, 17 February 2012 11:02 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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Mine wouldn't make any difference in overall weight, but the side to side distribution changes considerably. Freshwater is between pax side front and rear wheels, blackwater is between the rears.
--johnny
From: Emery Stora <emerystora@mac.com>
To: "gmclist@temp.gmcnet.org" <gmclist@temp.gmcnet.org>
Sent: Friday, February 17, 2012 11:57 AM
Subject: Re: [GMCnet] Wireless Air System
However, I would think that as the water tank empties most of the
water goes into the holding tank so there wouldn't be much difference
in weight. I think most people dump their holding tank and fill their
water tank so again not much difference in weight.
Emery Stora
On Feb 17, 2012, at 11:44 AM, Byron Songer
<bsonger@songerconsulting.net> wrote:
> Whereas the fresh water tank is in the
> rear, whether it is full or empty will make the greatest difference.
>>
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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] Wireless Air System [message #160689 is a reply to message #160667] |
Fri, 17 February 2012 13:54 |
emerystora
Messages: 4442
Registered: January 2004
Karma: 13
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Senior Member |
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Just goes to prove once again that we can't assume that all model and
model years are the same!
Emery Stora
On Feb 17, 2012, at 12:02 PM, Johnny Bridges <jhbridges@ymail.com>
wrote:
> Mine wouldn't make any difference in overall weight, but the side to
> side distribution changes considerably. Freshwater is between pax
> side front and rear wheels, blackwater is between the rears.
>
> --johnny
>
>
> From: Emery Stora <emerystora@mac.com>
> To: "gmclist@temp.gmcnet.org" <gmclist@temp.gmcnet.org>
> Sent: Friday, February 17, 2012 11:57 AM
> Subject: Re: [GMCnet] Wireless Air System
>
> However, I would think that as the water tank empties most of the
> water goes into the holding tank so there wouldn't be much difference
> in weight. I think most people dump their holding tank and fill their
> water tank so again not much difference in weight.
>
>
>
> Emery Stora
>
> On Feb 17, 2012, at 11:44 AM, Byron Songer
> <bsonger@songerconsulting.net> wrote:
>> Whereas the fresh water tank is in the
>> rear, whether it is full or empty will make the greatest difference.
>>>
> _______________________________________________
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| Re: [GMCnet] Wireless Air System [message #160712 is a reply to message #160710] |
Fri, 17 February 2012 19:39 |
sgltrac
Messages: 2797
Registered: April 2011
Karma: 1
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Senior Member |
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What is a generic wire controller?
Sully
77 royale
Sent from my Verizon Wireless BlackBerry
-----Original Message-----
From: Mark Grueninger <markgrue@hotmail.com>
Sender: gmclist-bounces@temp.gmcnet.org
Date: Fri, 17 Feb 2012 19:30:46
To: <gmclist@temp.gmcnet.org>
Reply-To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Wireless Air System
Hmmmm That would probably make it unuseable for me. I have a range of loading situations. Towing boats, full water (mine is all the way in the back on passenger side), amount of propane, I have a permanent bed in back but store stuff under it for some trips. I will have to work out a system that is similar to the electrolevel with wireless controller. I could also put a connector in the gen compartment and use a wire controller. Any one know where i can get a generic wire controller?
Mark
Robert Mueller wrote on Fri, 17 February 2012 09:51
> Mark,
>
> The wireless air system is a pressure control system, it does not adjust the
> ride height as conditions (weight) change (consume fuel) while underway.
>
> There have been a number of different statements made here that vary from
> "it doesn't matter" to "it's very important." I am of the OPINION that the
> engineers that designed the GMC installed the ride height control system for
> a reason and that's good enough for me.
>
> Whether or not the change in weight affects your GMC only YOU can determine.
> It has been my observation that these coaches react differently handling
> wise to changes in rear ride height. The best / cheapest way to do determine
> if yours will is to:
>
> 1) install a set of valves at the inlet to the air bags
> 2) load your coach as you would for a trip - full fuel tanks
> 3) set the ride height as per the MM
> 4) head out on the highway
> 5) see how your GMC handles as you consume gas as you ease on down the road
>
> If you're happy with the way it handles as the fuel tanks go from full to
> empty you're good to go; install the system.
>
> One other consideration the wireless air system will only put out 100 psi so
> you need to make sure that you can get to the correct ride height with that
> amount of pressure. As I understand it some coaches require more than that
> which requires installation of air bag risers. That's no big thing except
> that they will affect the max up and max down you can get leveling at a
> campsite as the extenders raise the airbags by extending the length of the
> vertical arm on the bogie. If the max length of the air bag is 10" and you
> raise its mounting points the amount the GMC will go up and down will
> change.
>
> The last paragraph won't affect you as you have the "MG suspension system"
> installed and the air pressures required are below 100 psi!
>
> Regards,
> Rob M.
>
> -----Original Message-----
> From: Mark Grueninger
>
> I was looking at the wireless air system from Applied. In the online
> catalog it does not say how it finds the ride height. Does anyone have one
> and can you describe what it uses for ride height control? I like the idea
> of being able to control it from the outside for leveling at the campsite
> but I dont understand how it works. Thanks
>
> Mark
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
--
Mark Grueninger 76 Palm Beach
Valmeyer IL
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Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: [GMCnet] Wireless Air System [message #160714 is a reply to message #160712] |
Fri, 17 February 2012 20:00 |
mickeysss
Messages: 1476
Registered: January 2012
Karma: 0
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Senior Member |
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pair of pliers
On Feb 17, 2012, at 5:39 PM, sgltrac@gmail.com wrote:
> What is a generic wire controller?
>
> Sully
> 77 royale
> Sent from my Verizon Wireless BlackBerry
>
> -----Original Message-----
> From: Mark Grueninger <markgrue@hotmail.com>
> Sender: gmclist-bounces@temp.gmcnet.org
> Date: Fri, 17 Feb 2012 19:30:46
> To: <gmclist@temp.gmcnet.org>
> Reply-To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] Wireless Air System
>
>
>
> Hmmmm That would probably make it unuseable for me. I have a range of loading situations. Towing boats, full water (mine is all the way in the back on passenger side), amount of propane, I have a permanent bed in back but store stuff under it for some trips. I will have to work out a system that is similar to the electrolevel with wireless controller. I could also put a connector in the gen compartment and use a wire controller. Any one know where i can get a generic wire controller?
>
> Mark
>
>
>
> Robert Mueller wrote on Fri, 17 February 2012 09:51
>> Mark,
>>
>> The wireless air system is a pressure control system, it does not adjust the
>> ride height as conditions (weight) change (consume fuel) while underway.
>>
>> There have been a number of different statements made here that vary from
>> "it doesn't matter" to "it's very important." I am of the OPINION that the
>> engineers that designed the GMC installed the ride height control system for
>> a reason and that's good enough for me.
>>
>> Whether or not the change in weight affects your GMC only YOU can determine.
>> It has been my observation that these coaches react differently handling
>> wise to changes in rear ride height. The best / cheapest way to do determine
>> if yours will is to:
>>
>> 1) install a set of valves at the inlet to the air bags
>> 2) load your coach as you would for a trip - full fuel tanks
>> 3) set the ride height as per the MM
>> 4) head out on the highway
>> 5) see how your GMC handles as you consume gas as you ease on down the road
>>
>> If you're happy with the way it handles as the fuel tanks go from full to
>> empty you're good to go; install the system.
>>
>> One other consideration the wireless air system will only put out 100 psi so
>> you need to make sure that you can get to the correct ride height with that
>> amount of pressure. As I understand it some coaches require more than that
>> which requires installation of air bag risers. That's no big thing except
>> that they will affect the max up and max down you can get leveling at a
>> campsite as the extenders raise the airbags by extending the length of the
>> vertical arm on the bogie. If the max length of the air bag is 10" and you
>> raise its mounting points the amount the GMC will go up and down will
>> change.
>>
>> The last paragraph won't affect you as you have the "MG suspension system"
>> installed and the air pressures required are below 100 psi!
>>
>> Regards,
>> Rob M.
>>
>> -----Original Message-----
>> From: Mark Grueninger
>>
>> I was looking at the wireless air system from Applied. In the online
>> catalog it does not say how it finds the ride height. Does anyone have one
>> and can you describe what it uses for ride height control? I like the idea
>> of being able to control it from the outside for leveling at the campsite
>> but I dont understand how it works. Thanks
>>
>> Mark
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
>
> --
> Mark Grueninger 76 Palm Beach
> Valmeyer IL
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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Unsubscribe or Change List Options:
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| Re: [GMCnet] Wireless Air System [message #160791 is a reply to message #160788] |
Sat, 18 February 2012 11:41 |
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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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Bruce,
Nice find!
Regards,
Rob M.
-----Original Message-----
From: Bruce Hislop
There is always this one, it has a remote control available.
http://www.dakotadigital.com/index.cfm/page/ptype=product/product_id=131/cat
egory_id=71/home_id=59/mode=prod/prd131.htm
Too bad its a tad pricy!
--
Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
Hubler 1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that
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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] Wireless Air System [message #160793 is a reply to message #160768] |
Sat, 18 February 2012 11:51 |
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I carried a couple of small bottle jacks to make the motorhome more stable
in the wind and when having people in for exercise time. The result, no
running in and out of the coach.
Byron
-----Original Message-----
Organization: GMCnet
Reply-To: <gmclist@temp.gmcnet.org>
Date: Sat, 18 Feb 2012 08:36:12 -0600
To: <gmclist@temp.gmcnet.org>
Subject: Re: [GMCnet] Wireless Air System
>
>
>The original system works very well for me. I just want something in
>the back on the outside so I can put my blocks under the bogie mounts
>when I camp. As it is now I put the controls in the raise position and
>run out and watch until it is high enough to fit the blocks under it.
>Put the blocks in and run back in and flip the switch to the lower
>position until the weight is on the block. It is a lot more stable in
>the wind sitting on blocks when sleeping.
>
>Mark
>
>Ken Burton wrote on Sat, 18 February 2012 01:39
>> What is wrong with just fixing the original system?
>
>
>--
>Mark Grueninger 76 Palm Beach
>Valmeyer IL
>_______________________________________________
>GMCnet mailing list
>Unsubscribe or Change List Options:
>http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List 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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| Re: [GMCnet] Wireless Air System [message #160799 is a reply to message #160793] |
Sat, 18 February 2012 12:55 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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""I carried a couple of small bottle jacks to make the motorhome more stable
in the wind and when having people in for exercise time.""
AHHH the good old days 
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] Wireless Air System [message #160813 is a reply to message #160768] |
Sat, 18 February 2012 18:28 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Mark,
I haven't followed the thread long enough to know which leveling system you
have, but if it's Electrolevel, I can suggest a solution. It might work
for EL II, but I haven't investigated that.
To give me external control, I have hidden behind a flip-down license plate
three switches: L. Lower & R. Lower spring-loaded toggle switches (push
down to lower). A Raise push button does just that.
Each of the Lower switches is connected, through diodes, to its respective
Dump Solenoid Valve and Hold Solenoid Valve. When the associated switch is
pressed down, those valves open, releasing air from the air bag.
The Raise push button activates the compressor relay (in my case, that
controlling the 120 vac compressor) and opens both Raise Solenoid Valves
and both Hold Solenoid Valves.
The wiring is simple and inexpensive and allows full control from wherever
the switches are located. It could even be done with a cheap 3-channel
remote control transmitter/receiver pair.
Ken H.
On Sat, Feb 18, 2012 at 9:36 AM, Mark Grueninger <markgrue@hotmail.com>wrote:
>
>
> The original system works very well for me. I just want something in the
> back on the outside so I can put my blocks under the bogie mounts when I
> camp. As it is now I put the controls in the raise position and run out
> and watch until it is high enough to fit the blocks under it. Put the
> blocks in and run back in and flip the switch to the lower position until
> the weight is on the block. It is a lot more stable in the wind sitting on
> blocks when sleeping.
>
> Mark
>
> Ken Burton wrote on Sat, 18 February 2012 01:39
> > What is wrong with just fixing the original system?
>
>
> --
> Mark Grueninger 76 Palm Beach
> Valmeyer IL
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
_______________________________________________
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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] Wireless Air System [message #160821 is a reply to message #160813] |
Sat, 18 February 2012 19:56 |
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mgrue
Messages: 192
Registered: October 2010
Location: Valmeyer IL
Karma: 0
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Senior Member |
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That would work. I could put the switches under the cover for the water fill. Thanks Ken.
Mark
[quote title=Ken Henderson wrote on Sat, 18 February 2012 18:28]Mark,
I haven't followed the thread long enough to know which leveling system you
have, but if it's Electrolevel, I can suggest a solution. It might work
for EL II, but I haven't investigated that.
To give me external control, I have hidden behind a flip-down license plate
three switches: L. Lower & R. Lower spring-loaded toggle switches (push
down to lower). A Raise push button does just that.
Each of the Lower switches is connected, through diodes, to its respective
Dump Solenoid Valve and Hold Solenoid Valve. When the associated switch is
pressed down, those valves open, releasing air from the air bag.
The Raise push button activates the compressor relay (in my case, that
controlling the 120 vac compressor) and opens both Raise Solenoid Valves
and both Hold Solenoid Valves.
The wiring is simple and inexpensive and allows full control from wherever
the switches are located. It could even be done with a cheap 3-channel
remote control transmitter/receiver pair.
Ken H.
Mark Grueninger 76 Palm Beach
Valmeyer IL
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