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Science Forum Index » Engineering - Joining (Welding) Forum » Trailer update #4 -- Vertical welds, TURNED IT OVER
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| Ignoramus1375 |
 Posted: Fri Feb 02, 2007 2:18 pm |
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On Fri, 2 Feb 2007 11:01:15 -0500, Wild Bill <wb_wildbill@XSPAMyahoo.com> wrote:
Quote: It doesn't look like there is much clearance between the axle tube (and
U-bolts) and the frame member, considering there is no load on the bed.
The tires look to be too close to the fenders too.
WB, you asked an excellent question.
The current clearance between the axle and frame is approximately
3". I forgot the exact number, though I can re-measure it.
The manufacturer recommends that with trailer fully loaded, the "bump
clearance", as they call it, should be 1.5". Note that right now my
trailer is not loaded.
The rep told me, further, that these springs do not move much when
they are bumped, they usually move under 1".
There is slightly more clearance between wheels and tops of wheel
wells.
Quote: Maybe the photos make the parts look closer than they really are.
If some serious loads are placed on the trailer, the frame members may
encounter some very harsh contact with the axle and/or U-bolts, which looks
likely to happen when the tires encounter bumps.
This would be a serious design flaw, if it takes place while you're hauling
stuff.
Yes... Though I will check the clearance if I ever load this trailer
with 1.5 tons of cargo (max allowed by my registration), I believe
that 3" is adequate.
Quote: Applying paint on bare steel without any preparation is usually a bad idea,
especially on steel that will be outdoors. You'll find out soon enough.
This paint is "cold galvanizing" paint, and should be applied to bare
steel. It is also supposed to stop rust, so rust would not spread
underneath the paint. You can check out McMaster page 2045, I
purchased item 7725T2. I did clean the steel up with a brush mounted
on an angle grinder. I used about 1/2 of that one quart can. It costs
$34 per quart. Which is not bad, if it works as advertised.
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