twinturbo
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| posted on 9/12/09 at 11:37 AM |
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Steel Quantities...
I know this has probably been asked...
But has anyone got a BOM for the steel stock on a Roadster..
My local stockist has 25x25 x 2mm at £12 for 7.5m which souns ok to me. is 2mm wall ok for the main tubes? i notice the book says 16swg shicvh by my
calcs is thinner than 2mm
Cheers
TT
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blakep82
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| posted on 9/12/09 at 11:40 AM |
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 i paid about 3 times that for 6m of tube a few years back!
16swg is 1.6mm i think. there'll be nothing wrong with 2mm, it'll just be a bit heavier, but stronger too
what's BOM?
[Edited on 9/12/09 by blakep82]
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mcerd1
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| posted on 9/12/09 at 11:41 AM |
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quote:
Originally posted by blakep82
what's BOM?
Bill Of Materials
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blakep82
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| posted on 9/12/09 at 11:42 AM |
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^ ah, cool 
________________________
IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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boggle
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| posted on 9/12/09 at 11:56 AM |
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my local steel stockist supplys 1x1x1.5 for 1.60 a meter in 6mtr lengths.....
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blakep82
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| posted on 9/12/09 at 12:04 PM |
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maybe i got all my calculations wrong when i bought some a few years back... ignore me  or maybe it was because i got it from metal supermarket, and
asked them to do all the cuts
________________________
IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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alistairolsen
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| posted on 9/12/09 at 12:12 PM |
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For my locost I ordered this lot
25x25x1.5 ERW - £7.25 per 6.1m length - 6 lengths
25x50x1.5 ERW - £12.50 - 2 lengths
19x1.5 ERW - £4.75 - 2 lengths
25x1.5 ERW - £6.80 - 1 length
I wont use all of some sizes and Ill have to get more of others cos Ive changed the rail sizes and guessed at the quantity of triangulation.
My Build Thread
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BillHoll
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| posted on 9/12/09 at 03:18 PM |
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Here you go see attachment.
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twinturbo
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| posted on 9/12/09 at 03:48 PM |
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Is the Roadster chassis close enough to the locost to use that as a decent guide?
Cheers
TT
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iank
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| posted on 9/12/09 at 03:58 PM |
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quote:
Originally posted by blakep82
maybe i got all my calculations wrong when i bought some a few years back... ignore me or maybe it was because i got it from metal supermarket, and
asked them to do all the cuts
That would do it, metal supermarket are pricey compared to a conventional metal supplier. Getting any stockist to do cuts (especially accurate ones)
is asking to have your wallet emptied.
--
Never argue with an idiot. They drag you down to their level, then beat you with experience.
Anonymous
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marcjagman
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| posted on 9/12/09 at 05:04 PM |
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Tenner for 7 metres 16swg from Ossett steel. Alloy sheet 8x4 is £48 2mm thick. Stainless is £70 for 8x4 1.2mm thick.
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James
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| posted on 9/12/09 at 05:49 PM |
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Unless the 2.0mm is really cheap I'd hunt out some 1.6mm if I was you.
Give it a few years and when you want some power upgrades, you'll be kicking yourself that you built it heavier than necessary!
I would check the Haynes forum about a BOM for that car. The Locost is close enough (but a bit smaller) so add a couple of extra metres.
Cheers,
James
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"The fight is won or lost far away from witnesses, behind the lines, in the gym and out there on the road, long before I dance under those lights."
- Muhammad Ali
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