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Old 12-17-2008, 10:02 AM   #29
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LOL,

Thanks Andy.. i will consider that..
Sorry for the highjack 1939.. i tried to tie it into the theme..
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Old 12-17-2008, 01:46 PM   #30
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Vlamica,

Highjack away young man, its all about transferring weight and any situation where a bed load is involved is applicable and of particular interest to me. Important to see how other folks do it.

Do you load the Jeep with a Hueay (probably spelt it wrong)!!!

John
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Old 12-17-2008, 09:16 PM   #31
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No huey needed.. I built a complete ramp system. I used to tow my other trailer with the jeep in the bed of my dodge truck. That setup got a lot of questions..
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Old 12-26-2008, 09:51 PM   #32
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1939 to....

I have been fooling around with the airstream and truck today as i had time off from work. My son and i were switching around the load bars.. i have two sets. 1k and 600lb. We have the 600lb bars on in the pic. It seems to provide the best ride. Keep in mind that i have removed the overloads from the truck. I can bounce on the hitch and get the whole thing to move about 2 inches up and down. I had my son ride in the trailer down the road a bit. He confirmed the ride is smooth and soft. He had a glass of water on the table and said it didnt spill or splash out. Even when the truck would hit a bump it felt like a soft hit from inside.. He however didnt feel so good once he came out of there.. i guess i should have had the window open for him
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Old 12-27-2008, 10:25 AM   #33
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1939 to....

I have been fooling around with the airstream and truck today as i had time off from work. My son and i were switching around the load bars.. i have two sets. 1k and 600lb. We have the 600lb bars on in the pic. It seems to provide the best ride. Keep in mind that i have removed the overloads from the truck. I can bounce on the hitch and get the whole thing to move about 2 inches up and down. I had my son ride in the trailer down the road a bit. He confirmed the ride is smooth and soft. He had a glass of water on the table and said it didnt spill or splash out. Even when the truck would hit a bump it felt like a soft hit from inside.. He however didnt feel so good once he came out of there.. i guess i should have had the window open for him
Glad you have joined the ever growing list of "finally got the hitch rigging correct" club.

What you described is what everyone can have, "BUT" they have to have an open mind first.

Forth coming articles in 2 magazines, about hitch rigging, will hopefully, teach others to do as you have done.

Thanks for the feedback.

Andy
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Old 12-27-2008, 02:18 PM   #34
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vlamica & Andy,

Thanks for info. Please bear in mind that weight distribution hitches for us are new on the planet! We are learning from the various posts on this and other threads. With the truck bed loaded and hitched up with 1400lb bars (2 links under tension), we too can bounce hitch 2" and have a smooth ride, although no-one's sat in the back of trailer.

Given our smooth ride, I am still puzzled as to why I should be concerned about pounding 10% of our trailer's weight when 90% of its weight is supported on axles that I cannot compress 1".

All the best for the coming New Year, John
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Old 12-27-2008, 02:38 PM   #35
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vlamica & Andy,

Thanks for info. Please bear in mind that weight distribution hitches for us are new on the planet! We are learning from the various posts on this and other threads. With the truck bed loaded and hitched up with 1400lb bars (2 links under tension), we too can bounce hitch 2" and have a smooth ride, although no-one's sat in the back of trailer.

Given our smooth ride, I am still puzzled as to why I should be concerned about pounding 10% of our trailer's weight when 90% of its weight is supported on axles that I cannot compress 1".

All the best for the coming New Year, John
The heavier the torsion bar rating, the less vertical movement you will have at the ball, which allows more "road shock" to be transfered to the front of the trailer.

In time, you will see that your beating the trailer to death.

It would be obvious, what would happen if you used railroad track for torsions bars.

You are not using that, of course, but your not far from it.

Without exception, everytime we see a trailer come into our shop with fatigue cracks in the shell and/or frame, many sheared rivets, worn out entrance door hinges, bulkheads coming loose, and the like, we see either shot axles and/or excessive hitch bar ratings.

This doesn't happen over night, but we have seen it happen thousands of times, all of which are costly to repair.

Two very soon to be published articles, will cover that subject in detail.

What exact tow vehicle do you have? Also, what load equalizing hitch do you have?

Andy
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Old 12-27-2008, 03:00 PM   #36
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"Two very soon to be published articles, will cover that subject in detail."

Andy....Where will these articles appear?
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Old 12-27-2008, 03:34 PM   #37
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Hi Andy,

Answers to questions -

F350 2008 Super Duty, extended cab, long bed, 4x4, 6.4 diesel. The truck has a very soft ride when loaded and comfortable when light. Very different from our last 1989 F250 which had very stiff spring packs and shorter springs than our 08.

The hitch was made by Robin Industries (I believe they are now obsolete) but almost identical to basic Reese hitch.

Also interested to know where related articles will appear - don't suppose we can get these publications in the UK.

John
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Old 12-27-2008, 04:16 PM   #38
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"Two very soon to be published articles, will cover that subject in detail."

Andy....Where will these articles appear?
We are not at liberty to list those magazines, by name, at this time.

We will announce their names prior to them being distributed.

However, I can tell you that these publications are extremely familiar to the vast majority of Airstream owners.

Andy
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Old 12-27-2008, 04:22 PM   #39
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Hi Andy,

Answers to questions -

F350 2008 Super Duty, extended cab, long bed, 4x4, 6.4 diesel. The truck has a very soft ride when loaded and comfortable when light. Very different from our last 1989 F250 which had very stiff spring packs and shorter springs than our 08.

The hitch was made by Robin Industries (I believe they are now obsolete) but almost identical to basic Reese hitch.

Also interested to know where related articles will appear - don't suppose we can get these publications in the UK.

John
John.

Precisely my point.

You have a "Queen Mary" tow vehicle.

As you say, when it's loaded, you get some bounce.

And when it's not loaded???????

That's the very time you will punish the trailer, to the hilt.

You should be using 550 to 600 pound torsion bars, and no heavier.

Your towing a little 25 foot Airstream, not a battleship.

Try riding in the back of the trailer at 60 MPH. Watch how fast you will change your mind about your current rigging.

Andy
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Old 12-28-2008, 12:52 AM   #40
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"Given our smooth ride, I am still puzzled as to why I should be concerned about pounding 10% of our trailer's weight when 90% of its weight is supported on axles that I cannot compress 1"."

Look at it this way. Imagine your rig going over a hill. At the top of the hill the truck is pointing down while the trailer is still pointing up. When you get to the bottom of the valley the truck is pointing up while the trailer is pointing down.

This means the whole rig has to bend at the hitch ball. Ideally the hitch bars will have enough give to them, that the rig will bend easily and spring back.

Now suppose you have totally rigid spring bars. Something has to give and it's usually the frame of the trailer.

Naturally this is exaggerated to make a point. The point is that your spring bars have to be just stiff enough to hold up the tongue weight while being soft enough to flex over bumps. The more flexible the better just like soft springs on your vehicle give a better ride.
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Old 12-28-2008, 10:10 AM   #41
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Now suppose you have totally rigid spring bars. Something has to give and it's usually the frame of the trailer.
On an Airstream the body is the support. Similar to a Unibody car. The frame will not take all the stress the body and rivits will take that.

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Old 12-28-2008, 11:44 AM   #42
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Vinny
I still say that's a nice looking outfit. I don't care if the truck is 14. We also Use the 600lb bars on our F350 SW 7.3 and get the soft ride U spoke of. I call it Lincoln Towncar Ride.The PO gave us a hitch and it had 1200 bars,I thought it was gonna throw us out of the cab on the trip home. We have a cap and carry a host of lumber for levelin (2x8's mostly) and everything U could almost imagine.The F350 is barebones stock from the factory supension.Ours Grosses out at app 14000 lbs., all axles are within 500 lbs or so of each other. I have had it across the scales several times and have the wieght correct. As I always Say "THE TALE IS IN THE SCALE.
Roger
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