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Old 05-12-2007, 07:18 AM   #15
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Per makes a very good point. I'm always a bit sceptical of owner 'modifications' that add big tool boxes, batteries, grills, extra LP tanks, etc., onto a trailer hitch A-frame. In the past, RV mfrs. competed to reduce trailer weight (and price), and some frames were slimmed down close to the margins of safety.
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Old 05-12-2007, 07:50 AM   #16
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Hi: Is this a good reason to do an annual frame test???visual as well as hammer... I plan on adding an application of Krown undercoating... 1 aerosol can is all it will take I'm sure...Is this a good idea??? comments please!!! Alf S. North shore of Lake Erie
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Old 05-12-2007, 01:40 PM   #17
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Hi: Is this a good reason to do an annual frame test???visual as well as hammer... I plan on adding an application of Krown undercoating... 1 aerosol can is all it will take I'm sure...Is this a good idea??? comments please!!! Alf S. North shore of Lake Erie
Just spraying the frame on its EXTERIOR may not be enough protection, as some of the earlier comments indicated rust can progress from the INSIDE of the frame tubing.Last year, to address that issue, I took our '73 Trillium in to the local Krown Rustprroofing shop, and had them thread those thin spray wands inside the frame, starting at its only accessible opening...at the hitch, and sprayed the full length of the frame, right to the back bumper; and, yes, they also did the inside of the square bumper tube, after they popped out one of the end plugs.
I've also had the frame strengthened up front with welded gussets, in the area of those bends just ahead of the bolts that secure the shell to the frame.
Hopefully, I'm much safer now from frame failures, than I was before.

Joe/Peterborough
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Old 05-13-2007, 06:20 PM   #18
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After reading this thread I just got real concerned about my old '81 and went under there to take a close look at the bend in my trailer frame that leads to the hitch end. Might be getting paranoid but that framing box felt too thin at the pinch. Now I'm thinking I should get that bend reinforced. Sure don't need any rude road surprises.

Anyone got any pictures of the reinforcement they had done? I would like to see them.
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Old 05-13-2007, 07:08 PM   #19
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After reading this thread I just got real concerned about my old '81 and went under there to take a close look at the bend in my trailer frame that leads to the hitch end. Might be getting paranoid but that framing box felt too thin at the pinch. Now I'm thinking I should get that bend reinforced. Sure don't need any rude road surprises.

Anyone got any pictures of the reinforcement they had done? I would like to see them.
Hi Myron,

I dont have any pics right now but the fix on my scamp consisted of a piece of angle
about 18 to 20 inches long welded to each side of the frame (one angle per side) centered at the bend .
If it is a deep bend you may have to v cut the angle to get the proper bend. It was a simple fix which should last another 20 years the angle is welded across the top
bottom and sides to eliminate any moisture entrapment. care must be taken not to ignite the fiberglass or the floor while welding.
I have seen straps welded to the sides of the frames as well but I think the angle is a stronger fix.
regards Gerald
ps
an ounce of prevention is worth a pound of cure. It doesent help to think I should have done it when you are away from home and the frame gives up the ghost. I was fortunate that there was no other damage to me or others but, it could have been much worse.
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Old 05-13-2007, 07:32 PM   #20
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Thanks, G. re: PS...True words. Been there.

Was the piece welded on the inner side or on the outer side of the frame profile? Inside meaning it cannot be seen from the road, Outer side meaning it could, and I assume either way the angle "L" lapped and got welded to side and bottom of the frame box, right?
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Old 05-13-2007, 08:10 PM   #21
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Thanks, G. re: PS...True words. Been there.

Was the piece welded on the inner side or on the outer side of the frame profile? Inside meaning it cannot be seen from the road, Outer side meaning it could, and I assume either way the angle [b]"L" lapped and got welded to side and bottom of the [b]frame box, right?
Right,
Mine was welded on the outside, access is a little easier on the outside but, either way would work . the idea is to have enough angle length to reach "good metal" on the frame
fore and aft of the bend. A welder should be able to reenforce an undamages frame in an hour or so.
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Old 05-17-2007, 10:46 PM   #22
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Gerald,

Glad to hear everything worked out OK in your close call and that you and the trailer are good to go again.

If memory isn't failing me: commercial trailers generally use I-beam construction because of the loads they carry (usually built with camber), while the rigs pulling the trailers use C-channel frames to allow them to flex under the torsional load when accelerating. Box-tube framing for a recreational trailer is usually strong and flexible enough for its intended use and load. A weld is stronger than a bend (less molecular distortion) and a proper weld is stronger than the metal plates being welded.
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Old 05-20-2007, 07:35 PM   #23
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Myron, the original owner of my Burro did a reinforcement using angle iron. It runs to the axel with spot welds along the way. This may be a bit on the strong side but little danger of failure. I am trying to attach a photo.
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Old 05-21-2007, 08:52 AM   #24
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Wow, Rusty that's some heavy duty reinforcement job! I just had my weld guy reinforce the frame on mine last week. He assured me his (mild by comparison) triangulation of the pinch as seen here would be more than adequate and would outlast the frame. There were a few small stress cracks which he also closed up.

I originally told him I wanted him to bend a 24 inch long angle iron and weld it along the outer bottom of the tube but he said that much welding would have the fire dept hosing down the Burro. OK, I said, you're the expert.
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Old 05-21-2007, 09:33 AM   #25
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Interesting photo, Myron...just looking at that kink in the bend of the original angle iron would be enough to sell me on reinforcement! Are many egg frames bent and kinked like that?
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Old 05-21-2007, 12:43 PM   #26
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Gee whiz! Got to be a pain in the rear to have that happen. I can't add any more than what's been said but at least you couldn't have had a better place to get stuck. Love Blowing Rock. Wondered where you camped nearby. My favorite is Julian Price. Where the mountain laurel/rhododendren blooming yet around there?
Don't mean to demean your problem but couldn't help it.
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Old 05-21-2007, 04:24 PM   #27
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Gee whiz! Got to be a pain in the rear to have that happen. I can't add any more than what's been said but at least you couldn't have had a better place to get stuck. Love Blowing Rock. Wondered where you camped nearby. My favorite is Julian Price. Where the mountain laurel/rhododendren blooming yet around there?
Don't mean to demean your problem but couldn't help it.
Chris,
We had to go off the parkway to camp as the campgrounds on the parkwayn close to blowing rock were still closed till may 30th. I can't remember the name of the campground but it was a good sam park next to a running creek and very well kept. I think we were ahead of the mountain laurel but it was a great ride on the parkway, things had not grown up enough to narrow the views from the overlooks. this was probably the most scenic trip on the parkway we have ever taken and we have been on it many times.
AS far as the "incident" goes we were so fortunate in getting it fixed quickly and no further damage that it seems like a non incident now., We were able to continue our trip home safely..
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