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graydog 
BHPC Member
Joined: 16 January 2006
Location: Wales
Status: Offline
Points: 1481
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 Posted: 24 April 2011 at 8:29am |
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My main supplier was in Cardiff originally call C G Rees back have change name now so google. Usually very goi. On price ( in my experience)
I find much like others it is better to drop in and get off cuts in terms of price. But take care as some times you buy more then you need and it may have been cheaper to just order the cut size.
I have no good supplier in north Wales yet.
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SteveArmstrong
Visitor (regular)
Joined: 04 April 2011
Location: UK
Status: Offline
Points: 160
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Posted: 26 April 2011 at 2:58pm |
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Thanks Crossie. I came across aluminium warehouse, but pfa metals I hadn't, and is more what I had in mind. It is a bit more expensive so I will have to juggle cost / benefit on performance here, given that it's the first build.
I think its time to get some quotes and then check some local firms for off cuts, then at least, I'll have a bench mark price to work from. Thanks graydog.
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Shiner
Visitor (occasional)
Joined: 03 April 2011
Location: Clitheroe, Lanc
Status: Offline
Points: 47
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Posted: 26 April 2011 at 9:36pm |
Post theft!!
Shoulda called it ''new to this alu sheet''
LOL  |
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Stranger things have happened!
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martinbguk
Visitor (regular)
Joined: 13 July 2009
Location: Bicester
Status: Offline
Points: 246
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Posted: 27 April 2011 at 11:00am |
5251 (NS4) is also good for doing riveted tub work.
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HRSO2 No 59
www.mbg-recumbent-racing.blogspot.com
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SteveArmstrong
Visitor (regular)
Joined: 04 April 2011
Location: UK
Status: Offline
Points: 160
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Posted: 28 April 2011 at 10:47am |
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Thanks Martin, I'll look into that.
Haha, you can always Steel it back again, Shiner.
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Shiner
Visitor (occasional)
Joined: 03 April 2011
Location: Clitheroe, Lanc
Status: Offline
Points: 47
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Posted: 01 May 2011 at 6:05pm |
Hay, been a while and had the bike out and about for testing.. But now I think its time to make the racer I wanted!
If anyone wants my bike for what ever reason Ill gladly sell it for a reasonable price! Just need a 3 speed shifter fitting for about £16..
Open to offers, now watch this space for my next project!
Thanks, Paul
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Stranger things have happened!
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GeoffBird
BHPC Member
Joined: 20 September 2005
Status: Offline
Points: 2396
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Posted: 27 May 2011 at 8:09pm |
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martinbguk wrote: "5251 (NS4) is also good for doing riveted tub work."
I'm told you should cover it in soap where you intend to bend it and heat it until the soap turns black, which anneals it, making it easier to bend. Bending it will work-harden it. Have I got this right Martin??
I think you should buy it in the 'half-hard' condition for folded sheet structures.
Edited by GeoffBird - 27 May 2011 at 8:11pm
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Right Time - Right Place - Wrong Speed
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martinbguk
Visitor (regular)
Joined: 13 July 2009
Location: Bicester
Status: Offline
Points: 246
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Posted: 27 May 2011 at 8:22pm |
Hi Geoff, sorry I missed you on FB. Soapy black bit is correct. 1/2 hard is also the best condition for fabricated bits, but be careful as it can still crack (see black soapy bit above). Half hard is also known as H4 condition (or H14, H24, H34 just to be difficult) 5251 is also know as N4, for sheet material NS4. You also can't tell from this that I own a BIG book on aluminium which I bought about 20 years ago.  |
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HRSO2 No 59
www.mbg-recumbent-racing.blogspot.com
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GeoffBird
BHPC Member
Joined: 20 September 2005
Status: Offline
Points: 2396
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Posted: 27 May 2011 at 8:25pm |
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Thanks Martin - tricky stuff, Aluminium...
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Right Time - Right Place - Wrong Speed
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New to this