PaRtZ Posted May 30, 2006 Report Share Posted May 30, 2006 OK Im researchign ALL bike frames for my DT a level exam. So far I've come up with this:Aluminium : 7005 series 6061 seriesSteel : Reynolds 725 Reynolds 531 - forks T45 TubingCan someone point me in the right direction for more info please, or if they know some themsleves please post hereAlso if I've made a mistake (and I think I have with T45) please tell me Many thanks Quote Link to comment Share on other sites More sharing options...
Danno Posted May 30, 2006 Report Share Posted May 30, 2006 (edited) Reynolds 853 steel tubing.Reynolds 631 steel tubing.S6 6066 aluminium alloyDon't know if thats any good to you Dan. Edited May 30, 2006 by Danno Quote Link to comment Share on other sites More sharing options...
Luke Rainbird Posted May 30, 2006 Report Share Posted May 30, 2006 Dont forget good old bamboo (and a bit of plastic if you're looking to cover kiddy bikes! )also just to remind you that it's not just 7005 alloy and T45 etc, loads of different types of alloy/steel etc come into the industry Quote Link to comment Share on other sites More sharing options...
IOLO Posted May 30, 2006 Report Share Posted May 30, 2006 im confused,lol (as usual)do you want what materials frames are made from..?do u want different construcion methods ?iolo Quote Link to comment Share on other sites More sharing options...
future orange 660 Posted May 30, 2006 Report Share Posted May 30, 2006 (edited) good old 4130 chrome-molyreynolds 853the reynolds 853 is better quality than the 4130, this is why 4130 monkey metal frames are so heavy since they need much more material to acheive a similar strength to weight ratio. this is esssentially what you will be paying for in bike frame, a better strength to weight ratio. = lighter yet stronger.another point, dont limit your marks by choosing just three materials. i did a project on mtb frame materials on my engineering course and chose magnesium alloy, carbon fibre, titanium, steel and alu alloy. just cos they are not used in trials frames doesnt mean you cant use them, explain why they are not used. Edited May 30, 2006 by future orange 660 Quote Link to comment Share on other sites More sharing options...
PaRtZ Posted May 30, 2006 Author Report Share Posted May 30, 2006 im confused,lol (as usual)lolJust the materials. Like if Im asked to design something that can be easily permanently fixed to a frame I can't say welding cos aluminium (which some frames are made from) is hard to weld The given context is: transportation on a bicycle and before anyone asks NO there weren't anymore clues. I can't jump to conclusions and expect a pannier question or something so I've got to keep a really open mind. Hence this thread.....Basically I feel really guilty for not "revising" for it so im doing this which will help me and stop me feeling guiltyhope this helps everyone Quote Link to comment Share on other sites More sharing options...
2sixstreet Posted May 30, 2006 Report Share Posted May 30, 2006 Dont forget beryllium. Mega expensive but very light and very very strong. This may help Bike MetallurgyAs for easily weldable - check out a brazing method using HTS - 2000 brazing rods. Could be quite useful for all you guys with cracked/broken frames sitting around in a shed or under a bed somewhere. Quote Link to comment Share on other sites More sharing options...
Walleee Posted May 30, 2006 Report Share Posted May 30, 2006 There is differant grades of 6061 and 7005 aluminium depending on the cooling rates I think, check matweb.com or efunda.org they are both good sites with good info on most materials... Quote Link to comment Share on other sites More sharing options...
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