Home » Public Forums » GMCnet » Painting the roof and best AC Unit...
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| Re: Painting the roof and best AC Unit... [message #298088 is a reply to message #298071] |
Sat, 26 March 2016 09:16   |
Scott Nutter
Messages: 782
Registered: January 2015
Location: Houston/San Diego
Karma: 4
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Senior Member |
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I went with the Atwood air commander 15k unit with heat pump non ducted. I really like it.
In Washington you might only need one unit.
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI
Houston, Texas
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| Re: Painting the roof and best AC Unit... [message #298117 is a reply to message #298069] |
Sat, 26 March 2016 19:59 |
captjack
Messages: 271
Registered: February 2010
Location: Sebastopol, California
Karma: 1
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Senior Member |
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I installed one of the Brisk Airs in the back of my 26. The A/C in the front wasn't up to keeping it cool in the hot southwest. The problem with the Brisk Air is that it wants to blow air down, to the back and sides, and very little to the front. Other than that, it works just fine.
Jack Christensen - K6ROW,
'76 Glenbrook/Clasco - "The Silver Bullet",
Sebastopol, CA
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| Re: [GMCnet] Painting the roof and best AC Unit... [message #298131 is a reply to message #298124] |
Sun, 27 March 2016 02:10 |
kelvin
Messages: 608
Registered: February 2004
Location: Eugene, OR
Karma: 0
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Senior Member |
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On 3/26/2016 7:51 PM, Billy Massey wrote:
> I'm so glad you posted this here. I've been trying to tell them but they just won't listen. The older ones were fine but these new
> ones suck!
> bdub
>
>
> -----Original Message-----
> From: Gmclist On Behalf Of Jack Christensen
> Sent: Saturday, March 26, 2016 8:00 PM
>
> I installed one of the Brisk Airs in the back of my 26. The A/C in the front wasn't up to keeping it cool in the hot southwest.
> The problem with the
> Brisk Air is that it wants to blow air down, to the back and sides, and very little to the front. Other than that, it works just
> fine.
We rely on our roof AC and Onan for air conditioning on the road. The
stock dash air in a '73 sucks. At least ours did. Eventually I'll
upgrade, but that's another story.
We replace the old roof AC with a Brisk Air II a couple/three years
ago. Great little unit but as stated, almost no air gets sent forward.
This is really bad if it is your only AC on a 90° road trip.
I had the inner cover/vent modified by a buddy who does car stereos. A
wiz with fiberglass is Dean. Looks something like this and blows lots
of cold air forward now.
http://www.gmcmhphotos.com/photos/miscellaneous/p60291-modified-brisk-air-ii-vent.html
Kelvin
'73 23' in Eugene, OR
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| Re: [GMCnet] Painting the roof and best AC Unit... [message #298134 is a reply to message #298131] |
Sun, 27 March 2016 09:37 |
Scott Nutter
Messages: 782
Registered: January 2015
Location: Houston/San Diego
Karma: 4
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Question..if you had 2 units, could it be a good thing that the rear AC Does not blow forward? Especially if you want to keep the cold air in the rear bedroom? Just asking because I'm getting ready to replace my rear unit with a 13k unit. Scott
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI
Houston, Texas
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| Re: Painting the roof and best AC Unit... [message #298135 is a reply to message #298069] |
Sun, 27 March 2016 09:55 |
rcjordan
Messages: 1913
Registered: October 2012
Location: Elizabeth City, North Car...
Karma: 1
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Senior Member |
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>rear AC Does not blow forward
That's how JimB installed mine in the rear twin Royale.
SOLD 77 Royale Coachmen Side Dry Bath
76 Birchaven Coachmen Side Wet Bath
76 Eleganza
Elizabeth City, NC
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| Re: [GMCnet] Painting the roof and best AC Unit... [message #298165 is a reply to message #298148] |
Sun, 27 March 2016 14:24 |
kelvin
Messages: 608
Registered: February 2004
Location: Eugene, OR
Karma: 0
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Senior Member |
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It's what he does for a living. I'm sure he'd be open to doing more of them.
It really did make a huge difference. The way the original is ducted
makes it impossible for air to get out the front. It's just a very poor
design. With the air coming up the sides thru these ball vents it's
perfectly satisfactory.
Kelvin
On 3/27/2016 11:04 AM, D C _Mac_ Macdonald wrote:
> Just half joking here, but would Dean be interested in
> building or modifying these as a commercial venture?
>
> A/C in my '76 doesn't work at all and a Brisk Air II
> in the foremost fan/vent hole might do a good job.
>
> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
> ~~ ~ D C "Mac" Macdonald ~ ~~
> ~ ~ Amateur Radio - K2GKK ~ ~
> ~ ~ Since 30 November '53 ~ ~
> ~ ~ USAF and FAA, Retired ~ ~
> ~ Member GMCMI and Classics ~
> ~ ~ ~ Oklahoma City, OK ~ ~ ~
> ~~ ~ ~ "The Money Pit" ~ ~ ~~
> ~ ~ ~ ~ TZE166V101966 ~ ~ ~ ~
> ~ ~ ~ '76 ex-Palm Beach ~ ~ ~
> ~~ k2gkk + hotmail dot com ~~
> ~ www.gmcmhphotos.com/okclb ~
> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
> ______________
> |[ ]~~~[][ ][]\
> "--OO--[]---O-"
>
>
>
>> To: gmclist@list.gmcnet.org
>> From: kelvin@datsuns.com
>> Date: Sun, 27 Mar 2016 00:10:48 -0700
>> Subject: Re: [GMCnet] Painting the roof and best AC Unit...
>>
>> We rely on our roof AC and Onan for air conditioning on the road. The
>> stock dash air in a '73 sucks. At least ours did. Eventually I'll
>> upgrade, but that's another story.
>>
>> We replaced the old roof AC with a Brisk Air II a couple/three years
>> ago. Great little unit but as stated, almost no air gets sent forward.
>> This is really bad if it is your only AC on a 90° road trip.
>>
>> I had the inner cover/vent modified by a buddy who does car stereos. A
>> wiz with fiberglass is Dean. Looks something like this and blows lots
>> of cold air forward now. >
>> http://www.gmcmhphotos.com/photos/miscellaneous/p60291-modified-brisk-air-ii-vent.html
>>
>> Kelvin
>> '73 23' in Eugene, OR
>
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| Re: [GMCnet] Painting the roof and best AC Unit... [message #298167 is a reply to message #298165] |
Sun, 27 March 2016 14:54 |
k2gkk
Messages: 4452
Registered: November 2009
Karma: -8
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Senior Member |
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I am quite sure that the outlets are a standard item.
And once a mold is made for the new housing, I would
guess that layup of duplicates would not be too hard
or inordinately costly for the benefit to be obtained!
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~~ ~ D C "Mac" Macdonald ~ ~~
~ ~ Amateur Radio - K2GKK ~ ~
~ ~ Since 30 November '53 ~ ~
~ ~ USAF and FAA, Retired ~ ~
~ Member GMCMI and Classics ~
~ ~ ~ Oklahoma City, OK ~ ~ ~
~~ ~ ~ "The Money Pit" ~ ~ ~~
~ ~ ~ ~ TZE166V101966 ~ ~ ~ ~
~ ~ ~ '76 ex-Palm Beach ~ ~ ~
~~ k2gkk + hotmail dot com ~~
~ www.gmcmhphotos.com/okclb ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
______________
|[ ]~~~[][ ][]\
"--OO--[]---O-"
> To: gmclist@list.gmcnet.org
> From: kelvin@datsuns.com
> Date: Sun, 27 Mar 2016 12:24:25 -0700
> Subject: Re: [GMCnet] Painting the roof and best AC Unit...
>
> It's what he does for a living. I'm sure he'd be open to doing more of them.
>
> It really did make a huge difference. The way the original is ducted
> makes it impossible for air to get out the front. It's just a very poor
> design. With the air coming up the sides thru these ball vents it's
> perfectly satisfactory.
>
> Kelvin
>
>
> On 3/27/2016 11:04 AM, D C _Mac_ Macdonald wrote:
>> Just half joking here, but would Dean be interested in
>> building or modifying these as a commercial venture?
>>
>> A/C in my '76 doesn't work at all and a Brisk Air II
>> in the foremost fan/vent hole might do a good job.
>>
>> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
>> ~~ ~ D C "Mac" Macdonald ~ ~~
>> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
>>
>>> To: gmclist@list.gmcnet.org
>>> From: kelvin@datsuns.com
>>> Date: Sun, 27 Mar 2016 00:10:48 -0700
>>> Subject: Re: [GMCnet] Painting the roof and best AC Unit...
>>>
>>> We rely on our roof AC and Onan for air conditioning on the road. The
>>> stock dash air in a '73 sucks. At least ours did. Eventually I'll
>>> upgrade, but that's another story.
>>>
>>> We replaced the old roof AC with a Brisk Air II a couple/three years
>>> ago. Great little unit but as stated, almost no air gets sent forward.
>>> This is really bad if it is your only AC on a 90° road trip.
>>>
>>> I had the inner cover/vent modified by a buddy who does car stereos. A
>>> wiz with fiberglass is Dean. Looks something like this and blows lots
>>> of cold air forward now. >
>>> (http://www.gmcmhphotos.com/photos/miscellaneous/p60291-modified-brisk-air-ii-vent.html)
>>>
>>> Kelvin
>>> '73 23' in Eugene, OR
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| Re: [GMCnet] Painting the roof and best AC Unit... [message #298181 is a reply to message #298167] |
Sun, 27 March 2016 19:29 |
kelvin
Messages: 608
Registered: February 2004
Location: Eugene, OR
Karma: 0
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Senior Member |
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Outlets are a standard item. Dean is looking into the cost of those
right now.
I doubt there will be enough of them to have him making a mold.
We'll know more on Monday.
Kelvin
'73 23' in Eugene, OR
On 3/27/2016 12:54 PM, D C _Mac_ Macdonald wrote:
> I am quite sure that the outlets are a standard item.
> And once a mold is made for the new housing, I would
> guess that layup of duplicates would not be too hard
> or inordinately costly for the benefit to be obtained!
>
> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
> ~~ ~ D C "Mac" Macdonald ~ ~~
> ~ ~ Amateur Radio - K2GKK ~ ~
> ~ ~ Since 30 November '53 ~ ~
> ~ ~ USAF and FAA, Retired ~ ~
> ~ Member GMCMI and Classics ~
> ~ ~ ~ Oklahoma City, OK ~ ~ ~
> ~~ ~ ~ "The Money Pit" ~ ~ ~~
> ~ ~ ~ ~ TZE166V101966 ~ ~ ~ ~
> ~ ~ ~ '76 ex-Palm Beach ~ ~ ~
> ~~ k2gkk + hotmail dot com ~~
> ~ www.gmcmhphotos.com/okclb ~
> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
> ______________
> |[ ]~~~[][ ][]\
> "--OO--[]---O-"
>
>
>
>> To: gmclist@list.gmcnet.org
>> From: kelvin@datsuns.com
>> Date: Sun, 27 Mar 2016 12:24:25 -0700
>> Subject: Re: [GMCnet] Painting the roof and best AC Unit...
>>
>> It's what he does for a living. I'm sure he'd be open to doing more of them.
>>
>> It really did make a huge difference. The way the original is ducted
>> makes it impossible for air to get out the front. It's just a very poor
>> design. With the air coming up the sides thru these ball vents it's
>> perfectly satisfactory.
>>
>> Kelvin
>>
>>
>> On 3/27/2016 11:04 AM, D C _Mac_ Macdonald wrote:
>>> Just half joking here, but would Dean be interested in
>>> building or modifying these as a commercial venture?
>>>
>>> A/C in my '76 doesn't work at all and a Brisk Air II
>>> in the foremost fan/vent hole might do a good job.
>>>
>>> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
>>> ~~ ~ D C "Mac" Macdonald ~ ~~
>>> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
>>>
>>>> To: gmclist@list.gmcnet.org
>>>> From: kelvin@datsuns.com
>>>> Date: Sun, 27 Mar 2016 00:10:48 -0700
>>>> Subject: Re: [GMCnet] Painting the roof and best AC Unit...
>>>>
>>>> We rely on our roof AC and Onan for air conditioning on the road. The
>>>> stock dash air in a '73 sucks. At least ours did. Eventually I'll
>>>> upgrade, but that's another story.
>>>>
>>>> We replaced the old roof AC with a Brisk Air II a couple/three years
>>>> ago. Great little unit but as stated, almost no air gets sent forward.
>>>> This is really bad if it is your only AC on a 90° road trip.
>>>>
>>>> I had the inner cover/vent modified by a buddy who does car stereos. A
>>>> wiz with fiberglass is Dean. Looks something like this and blows lots
>>>> of cold air forward now. >
>>>> (http://www.gmcmhphotos.com/photos/miscellaneous/p60291-modified-brisk-air-ii-vent.html)
>>>>
>>>> Kelvin
>>>> '73 23' in Eugene, OR
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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| Re: Painting the roof and best AC Unit... [message #298242 is a reply to message #298069] |
Mon, 28 March 2016 16:29 |
Chr$
Messages: 2690
Registered: January 2004
Location: Scottsdale, AZ
Karma: 1
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Senior Member |
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I ducted my GMC. I lowered the ceiling 3.5 inches and made a plenum to duct the air. On the sides of the plenum, I put denim insulation between the lowered ceiling and roof. The plenum was insulated with polyiso foam insulation with foil backing. Made a huge difference as I could compare to other coaches at a rally. With this arrangement, you can put the outlets anywhere you want, and I put two just behind the cockpit that could be turned forward.
You need to be handy with the fabrication, but it was not difficult. I ran steel studs along the central part of the coach and screwed plywood covered in hull liner to that (a sort of carpet for boat hulls).
I used two 15K Carrier Low Profiles which are no longer available, but the Coleman Mach units seem similar. They have TWO fan motors so the condenser fan isn't stuck running the speed of the evaporator fan and is hence always at maximum heat transfer speed.
I'm surprised nobody has put a secondary evaporator on the roof in the front vent and connected it to the engine AC unit, the type you see on the rooftops of shuttle vans. I was considering this. In some ways it would be easier than adding one under the couch and would put the air where you want it: above your head falling down on you...
-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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