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Old 07-30-2007, 12:18 PM   #15
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Quote:
Originally Posted by crispyboy
If the 10" brakes are inadequate then it came from the factory in that inadequate condition - I just mimicked the original Henschen axle specs.
I would be more concerned if this were a heavy trailer (UVW = 3,200 and GVW = 4,200).
Unfortunately, it seems that Airstream may have gone on a cost saving venture, back then.

Switching your brakes to 12" at the time of axle replacement, should have cost zero, but certainly would have provided more braking power, than the 10" brakes.

It's a practice that we encourage whenever possible.

Andy
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Old 07-30-2007, 05:35 PM   #16
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Originally Posted by Inland RV Center, In
Going above 35 degrees is "NOT RECOMMENDED" by Airstream or Henschen.

Bump for bump, a 45 degree starting angle will have more torsion arm movement than 35 degrees, hence more shock to the shell.

Andy

Andy
Andy,

Same internal rubber cords - how does the 45 degree arm have more movement?

Please inform,
Henry
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Old 07-30-2007, 05:43 PM   #17
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Quote:
Originally Posted by axleman
Andy,

Same internal rubber cords - how does the 45 degree arm have more movement?

Please inform,
Henry
Henry, I don't know about movement, but the closer an angle to perpendicular the more shock is transferred to the object being supported, no matter how good the suspension is otherwise. Even though it's not, if it were 90 degrees, it would transfer 100% of shock to the object supported, even the best torsion axle in the world won't change that. I'm not sure about the "movement" statement above, maybe Andy can clarify.
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Old 07-30-2007, 06:02 PM   #18
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Originally Posted by Inland RV Center, In
Airstream, Henschen and I came up with the three holes and 1/2 inch grade 8 bolts, making that installation stronger than two 5/8 inch bolts.

Andy
Except it isn't true. Two - 5/8 grade 8 bolts are stronger than three - 1/2" grade 8 bolts.

You can look it up.

I did.
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Old 07-30-2007, 06:08 PM   #19
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Mr. Doane wins the prize here.

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Old 07-30-2007, 06:49 PM   #20
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Mr. Doane wins the prize here.

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Not much gets past Don!
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Old 07-30-2007, 06:56 PM   #21
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Originally Posted by Inland RV Center, In
Your new axle has 10" brakes.

That seems to be inadequate for a 22 foot Airstream, since Airstream used 12" brakes.

Andy
10" is adequate to 3750# per pair - regardless of trailer length.

Of course 12" will stop better.
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Old 07-30-2007, 07:21 PM   #22
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axle setup info

Has anyone read this?
http://i.b5z.net/i/u/1080235/f/Appli...-06_72_res.pdf

Verrrrrrry informative.

Zoom
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Old 07-30-2007, 07:36 PM   #23
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Originally Posted by ZoomZoom
Has anyone read this?
http://i.b5z.net/i/u/1080235/f/Appli...-06_72_res.pdf

Verrrrrrry informative.

Zoom
Yes - I have!
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Old 07-30-2007, 08:13 PM   #24
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Originally Posted by axleman
10" is adequate to 3750# per pair - regardless of trailer length.

Of course 12" will stop better.
It will stop better, and all other things being equal, the 12" brakes will last longer. There is more friction material, and the larger drums will offer better heat dissipation.
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Old 07-30-2007, 08:26 PM   #25
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Quote:
Originally Posted by ZoomZoom
Has anyone read this?
http://i.b5z.net/i/u/1080235/f/Appli...-06_72_res.pdf

Verrrrrrry informative.

Zoom
I have been pouring over it and the other info Dexter provides. Very helpful.
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Old 07-30-2007, 08:51 PM   #26
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Originally Posted by Inland RV Center, In
? Why downgraded from the original size?

The only time down grading is ok, is when an Airstream is for most part gutted, and will stay that way.
My question was actually pertaining to the fact you're providing 1/2" bolts vs the original 5/8" (as markdoane mentions in post #18)

Quote:
Without my books at home, as I recall your axles were 2400 or 2600 pound ratings.
Thank you for the info.

Quote:
Using the original starting angle of 22 1/2 degrees, at this point, is out dated.

Almost every tow vehicle today is heavy duty and high profile.

Accordingly, raising the starting ange to 35 degrees make more sense today than it did 30 or 40 years ago.
Actually, not for me. The current ride height (with bad axles) of my airstream is perfectly lined up with my truck to tow at pretty close to level. My AS tongue (ground to bottom of ball reciever) is about 20". I've currently got a 3-1/4" drop bar in my receiver. I know that replacing the axles, I will gain an inch or two in height on the trailer.


Quote:
Your 57 7/8 dimension is correct. 58 inches is incorrect. It wouldn't fit.
Thank you, that's more helpful than just saying "you're wrong".

Andy - I realize you are a business, and I don't expect you to provide the information I need - especially if I might purchase a competitors product. BUT... I do expect the courtesy of allowing myself (and others on this forum) the ability to choose and seek out information without being insulted and disparaged. Thank you for stating facts, you do have valuable knowledge and information to share.

I have read many threads, some have gone with Henschen, some have gone with Dexter (or other brands). My questions were directed towards those who have been-there-done-that. Both brands! I want to gather information to help me make an informed decision.

To all who have provided answers, pictures, information, encouragement, etc. - I thank you. (Karma too) Some replied here, others sent me PM's. I see why they chose to do so...
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Old 07-30-2007, 09:05 PM   #27
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Originally Posted by Spiffy Gem
Looks Like I need to place a third hole somewhere - on the front side (note in my picture that the third hole is located lower than my mounting plate)?
That just doesn't seem right. Now we're talking only two 1/2" bolts holding on the axle where the original used two 5/8". I'm would not be comfortable with that. What was your solution?

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Old 07-30-2007, 09:24 PM   #28
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Well, if I have to drill a third half inch hole, I may as well add a fourth and have two in the front, two in the back, each side.

Actually, there are already four holes drilled in the plate of the axle - you can tell from the picture, however, that the bottom holes (one in front and one in back) are below the mounting plate to be of any use.

I understand that the 1/2 inch bolts are suppose to be tightened to 130 pounds and the 5/8ths at 250 pounds (my numbers might be off a little). My torque wrench only goes to 150 (Sears), so adding another bolt or two is cheaper than buying another wrench that goes to 250. Clearly, however, I could just drill out the existing 1/2 inch holes and make them 5/8ths.

That extra work has not been done yet - besides, I wanted to sit on this and evaluate before venturing out in the heat.
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