Minicooper
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| posted on 3/8/07 at 09:24 AM |
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Build Jig
Hello all,
I'm making a spaceframe floor to replace the normal rusty floor in a mini, I have fitted a safety devices 6 point roll cage and attached to the
body in lots of places.
Anyway the point is I need a piece of plywood 60"*70" which means buying a 10'*5' sheet of ply, the options are buying a 10*5
sheet 1" thick plywood at £116 and cut it down or piece a table together from a 8*4 sheet about £48 with at least two joins, ideally it would
be better as a single sheet but £116 is a lot of cash for a piece of ply which is likely to be slung straight after
Anyone know of a cheap/cheaper source of decent ply? I'm based in Chandlers Ford, Hampshire
Cheers
David
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novacaine
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| posted on 3/8/07 at 09:48 AM |
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could you use mdf/chipboard and brace it with lengths of timber? much cheaper that way
[Edited on 3/8/07 by novacaine]
And you run and you run to catch up with the sun but its sinking, Racing around to come up behind you again, the sun is the same in a relative way but
your older, shorter of breath and one day closer to death
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NS Dev
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| posted on 3/8/07 at 02:20 PM |
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quote:
Originally posted by Minicooper
Hello all,
I'm making a spaceframe floor to replace the normal rusty floor in a mini, I have fitted a safety devices 6 point roll cage and attached to the
body in lots of places.
Anyway the point is I need a piece of plywood 60"*70" which means buying a 10'*5' sheet of ply, the options are buying a 10*5
sheet 1" thick plywood at £116 and cut it down or piece a table together from a 8*4 sheet about £48 with at least two joins, ideally it would
be better as a single sheet but £116 is a lot of cash for a piece of ply which is likely to be slung straight after
Anyone know of a cheap/cheaper source of decent ply? I'm based in Chandlers Ford, Hampshire
Cheers
David
check how level your garage floor is, many are not too bad and if you shim as you go and use a spirit level, you will be plenty accurate enough.
It did make me laugh when Ron used a jig board in "the book" and then made such a pigs ear of the rest of the dimensions!! 
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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kb58
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| posted on 3/8/07 at 03:03 PM |
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There's nothing wrong with using small pieces. Just back them up with some stringers (I'd use 2 x 4s, not sure what you call them) that
are long enough, and screw the plywood sheets to it. It's just as accurate as one large sheet. Using stiff backing also means you can buy
thinner, cheaper plywood.
I mean, it's not like you're need accuracy better than 3-4mm anyway.
Mid-engine Locost - http://www.midlana.com
And the book - http://www.lulu.com/shop/kurt-bilinski/midlana/paperback/product-21330662.html
Kimini - a tube-frame, carbon shell, Honda Prelude VTEC mid-engine Mini: http://www.kimini.com
And its book -
http://www.lulu.com/shop/kurt-bilinski/kimini-how-to-design-and-build-a-mid-engine-sports-car-from-scratch/paperback/product-4858803.html
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Minicooper
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| posted on 3/8/07 at 04:37 PM |
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Thanks everyone,
I think I'm going to go for 8*4*1 inch, maybe even going for 3/4 ply which is a lot cheaper and brace the two joins I need, should be very
strong.
NS dev
My garage floor is horrible! but thanks for the suggestion
Cheers
David
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