Re: Fabrication question
- From: "nunya" <nunya@xxxxxxxxx>
- Date: Sat, 31 Mar 2007 12:35:32 -0400
"Tud" <tud333@xxxxxxxxxxx> wrote in message
news:PrvPh.22659$6z3.4819@xxxxxxxxxxx
A round of drinks for those workers of metal out there, something I'm
definately not. But hell, why should that stop me. My first project is
going to be what most would likely consider extremely easy. I'm going to
pull the back seat off the bike and I want to install a rack in order to
mount an auxiliary gas tank and I've got some pretty basic design
questions.
I figure I'll pick up some 1/2" steel tubing (ok, I actually have a 3'
piece, although I can't recall why) and bend this into a shape to mount at
two points on the side of fender, basically in the same spot that the hand
holds mount onto. You can see from this picture that they're a bit
offset.
http://tinyurl.com/msmer
http://tinyurl.com/27aml6
So, I would make two bars very similar to the handholds but that wouldn't
bend out like they do. Next I'd weld two bars going across from side to
side. The whole thing would angle towards the back of the bike, so that
the platform of the rack would be parrallel to the ground but would be
more towards the rear of the bike. I would also have a couple bars that
go down from one of the cross members to attach at the same point as the
top mounting point for the tale light, or would this be overkill? The
only reason I'm think of the additional mounting point at the tail light
is because the weight would be further back on the rack than where the
mounting points are. If 1/2" steel tube is sturdy enough to support a lot
of offset weight then I likely won't bother.
So, I've got a 1/2" steel tube and I want to bend it, am I ok applying
some heat with one end in a vise and just bending it, or is the tube
likely to kink? Should I be using tube or solid 1/2" steel stock? If I
stick with the tube, how are the ends flattened in order to make mounting
points? I assume with the solid stock I'd need to weld a plate to it, but
can you heat up and hammer one end of the tube flat and drill the hole in
the flat part to create a mounting point? I've seen it a bunch, just not
sure if it's as simple as a hammer or if they run it through some sort of
machine/press. Any thoughts on which I hope are fairly basic questions?
--
Tud
SENS BS#111 LFS#32 FLF MISFIT Vermort AH#115
http://ah115.com
Sisyphus rides a Triumph
why reinvent the wheel when you already have a good start on the bike. i
would fabricate a mount that i could weld to my tank that would bolt onto
that seat mount and clamp onto your existing grab handles for added support.
if you wanna spend a couple of days in the road driving down to the s.e. i
bet we could fabricate something that would work well and look nice in just
a couple of hours. i even have a bunch of tractor fuel tanks and i bet one
of them would not only work but look really cool.
michael
.
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