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11-16-2019, 11:14 AM
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#1
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Senior Member
Join Date: Sep 2019
Location: Des Moines
Posts: 366
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A/C duct work
It’s a warm day so thought I would knock out a few projects. One was to tape up the duct work. Was presently surprised at how well done it was. Always room for improvement though.
The duct work extends beyond that last vents. I e noticed people talking about plugging the excess. What is everyone using?
__________________
Brant
2020 Ford F-350 CCLB, 7.3 gas
2022 Arcadia 3940LT
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11-16-2019, 11:18 AM
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#2
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,319
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As long as your trailer doesn't have the new "race track" design, you should be fine. I plugged mine at just past the last vents front and rear and it made a difference
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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11-16-2019, 12:27 PM
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#3
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Senior Member
Join Date: Sep 2019
Location: Des Moines
Posts: 366
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Quote:
Originally Posted by chuckster57
As long as your trailer doesn't have the new "race track" design, you should be fine. I plugged mine at just past the last vents front and rear and it made a difference
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What is the race track design? How do you tell? The duck work was/coated with a dense black foam. Trailer is a 2019
What material did you use to plug it?
__________________
Brant
2020 Ford F-350 CCLB, 7.3 gas
2022 Arcadia 3940LT
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11-16-2019, 12:36 PM
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#4
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,319
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I doubt yours is? Is your trailer 30A service and only wired for 1 AC unit? If so then it’s probably not the racetrack. I used foam pieces, cut them a little large and then wedged them in.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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11-16-2019, 12:47 PM
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#5
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Senior Member
Join Date: Sep 2019
Location: Des Moines
Posts: 366
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Quote:
Originally Posted by chuckster57
I doubt yours is? Is your trailer 30A service and only wired for 1 AC unit? If so then it’s probably not the racetrack. I used foam pieces, cut them a little large and then wedged them in.
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50a. Wired for 2nd a/c
__________________
Brant
2020 Ford F-350 CCLB, 7.3 gas
2022 Arcadia 3940LT
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11-16-2019, 01:15 PM
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#6
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,319
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Here is a link that shows it, Scroll down. I don't know if it is only in the Grand Designs trailers
https://www.granddesignrv.com/showro...e/construction
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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11-18-2019, 06:18 AM
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#7
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Member
Join Date: Feb 2013
Location: Northern Idaho
Posts: 62
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I used a 1gallon freezer ziploc bag, and squirted some great stuff in it, then placed it in the duct.
__________________
Rich
'09 Keystone Fuzion FZ403, Touring Edition, 244 of 300.
'08 Chevy Duramax
Full-time in my Fuzion since 2011
USAF Vet. B-52G Crewchief.
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11-18-2019, 08:11 AM
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#8
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Senior Member
Join Date: Nov 2017
Location: Picacho, Az
Posts: 6,809
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I cut pieces of 1" foam pipe wrap insulation about an inch to inch & half longer than duct width & bowed it into the duct.
__________________
Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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