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Old 09-05-2012, 06:12 AM   #15
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1976 31' Sovereign
Springfield , South Carolina
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Gus, I could not agree more with the above as I had many of the same things happen to my 31 Sovereign. I have replaced the AS hinges with much heavier stainless steel ones (Home Depot) and the new hinges were installed with 8X32 screws after the framework was drilled and tapped and a 1/8" steel backing plate is also drilled and tapped on back of frame and a lock nut behind that.None have become loose in 5000 miles of road travel.

I replaced and relocated the power supply unit with a lighter more efficient one. When I got the trailer the factory PS had broken away from the wall and was laying on the pump ! ! ! ! ! The new one was re-located and now mounted on bulkhead between galley and bedroom area.

I also had to rebuild the sliding door coil under sink and if it ever gives trouble again will be replaced with something else like sliding doors that will lift out of tracks easily

I have also replaced the plastic drawer runners with angle iron appropiately milled to fit and the 1855 mile trip we just came in from confirmed they are working fine. I have also milled door catches from angle iron and they stay shut on the road now.


I have talked to three other MEs and they all say what you just said quite well about the axle capacity limitation.I have done lots of work beefing things up here and there and replacing the axles with much heavier ones on Friday assuming they come in then.

I replaced the AS wheels last year with 16" rims rated about 300 lbs heavier than original and installed 10 ply light truck tires that call for 80 lbs pressure. I now have 5000 miles on the tires and no visible wear. They are modular steel rims from Tredit Corp who only make wheels and they are suppliers to industry trailer manufacturers.
I think the tires are rated at 3800lbs each.

Hope you can post the data you get from AS that is assuming they give it to you which I would not be surprised if they keep it close hold.
73s de AC4HT
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Old 09-07-2012, 09:55 PM   #16
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2004 30' Classic
Johnson City , Texas
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Road results

On the road: 82 miles Thursday and 750 miles Friday. Trailer pulled well. No tire issues.

Drove I-10 W at 68-70 mph. Day temps ranged from 74 morning to 102.

Started each morning with 80 psi all tires. Watched TPMS and max 88 psi, with average 86 psi. Tire temps ranged 5-18 deg above ambient. Highest temp was after parked in parking lot for lunch in El Paso. Highest running tire temp 118. Turns out max temp or pressure was not always the same tire. Tires on sun side always 3-5 degrees warmer than shade side.

Tires still look brand new - no unusual wear.

Unlike previous trips, only had one time when drawer in trailer bedroom opened. That is quite different from previous trips where one or more drawers always opened.
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Old 09-09-2012, 09:18 AM   #17
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2004 30' Classic
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Weighed trailer as being towed, empty black and gray, 3/8 fresh.
Pickup - both axles = 8320
Trailer front axle = 3980
Trailer rear axle = 3400
Total = 15700

Total 1547 miles on new tires and axles. Tires look great.

During drive yesterday, starting pressure 80 psi all tires; max 86.8 psi; most 85 psi. Max outside temp 106; max tire temp 111.
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Old 01-21-2013, 10:37 AM   #18
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7343 mile report

7343 miles with new tires, wheels, and axles since 9/1/2012. All running well, and tires still look new. Running pressures about 4-7 lbs. above cold pressure, and temps remain 3-5 degrees above ambient. Interstate running speed typical 70-74 mph.

Old axles 4200 lb.
New axles 5000 lb.

Attached is an image of the sticker on the new axles.
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Old 01-21-2013, 10:54 AM   #19
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Originally Posted by gklott View Post
7343 miles with new tires, wheels, and axles since 9/1/2012. All running well, and tires still look new. Running pressures about 4-7 lbs. above cold pressure, and temps remain 3-5 degrees above ambient. Interstate running speed typical 70-74 mph.

Old axles 4200 lb.
New axles 5000 lb.

Attached is an image of the sticker on the new axles.
The original axle specs called for 67 1/8 mounting brackets and a hub face of 87.125 inches.

Andy
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Old 01-22-2013, 05:37 AM   #20
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In what publicly available document can all Airstream owners see these specs?
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Old 01-22-2013, 06:37 AM   #21
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In what publicly available document can all Airstream owners see these specs?
I am not aware of any library where specs of manufactured parts can be available.

But, in this case, you can easily contact Airstream for the specs.

937-5966111.

Andy
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Old 01-24-2013, 08:47 PM   #22
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In what publicly available document can all Airstream owners see these specs?
Just check the clearance of your tires to the inside of the wheel well (outside of frame) and the inside of the outer skin. You can tell if it is relatively centered within a couple of minutes. I doubt that you will have any issues. Let us know how it looks.
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Old 01-25-2013, 01:26 PM   #23
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Front tire closest point to front in wheel well = 2"
Rear tire closest point to rear in wheel well = 2"
Front or rear tire closest point to outside wheel well = 2.5"
Front or rear tire closest point inside to frame = 5"
Front or rear tire closest point to top of wheel well = 3"

See attached images.
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Old 01-25-2013, 01:28 PM   #24
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N Dallas RV told us they did confirm the proper axle size with Airstream and Dexter before ordering since this was a move from 4200 lb to 5000 lb.
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