> Will O'Brien wrote:
> >
> > I was planning to use a piece of aluminum sheet metal to make my
> radiator
> > ducts rather than the cardboard stuff. a 4' x 8' piece cost my
> friend
> > about $85. This is way more than you'd need for that applicaiton.
> > (Sorry I don't remember the guage)
> >
> > >The TR6 came with a one piece radiator cowling (or duct) which is
> made
> > >of a black cardboard like material. I guess this material tends to
> go
> > >bad with repeated wet/dry cycles and probably rots away eventually.
>
> > >Although mine is not at this stage, it is kinda dirty and I really
> would
> > >like to replace it.
> > >
> > >I notice that VB has a replacement duct listed made of ABS and
> costing
> > >$65 US. This seems like a lot to pay so I am hoping to make my own.
> Not
> > >knowing anything about plastic fabrication I am looking for some
> hints
> > >on how to proceed.
> > >
> > >Specifically, I think that the "hinging" properties of the original
>
> > >paper duct should be retained to maintain the ability to remove the
> duct
> > >if required and to fine tune the final fit. Any ideas on how
> plastics
> > >can be hinged? I suspect I will be able to use a door hinge of some
> sort
> > >but perhaps there is a better solution? I suspect that "creasing"
> the
> > >plastic like the paper was creased would not produce the desired
> hinging
> > >effect but rather probably weaken the plastic.
> > >
> > >Also I assume that ABS in 1/8" would be a good choice for this
> > >application?
> > >
> > >Looking forward to any help from plastics experts...
> > >
> > >Peter Zaborski
> > >76 TR6 (CF58310 UO)
> > >Calgary AB Canada
> >
> > Will
> >
> > ___________________________________________________________
> > Will O'Brien
> > OS Design & Consulting
> > email: hobrien@webos1.com
> > alt email: will@students.missouri.edu
>
If you are interested I have a old (1959) book on the "Fabrication
of Plexiglas".
It explains how form shapes. It is only about 30 pages long . Might
give you some ideas.
Dave Simpson
NE Ohio
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