Guest l28et Posted April 28, 2006 Share Posted April 28, 2006 A material that is 5x lighter and just as strong as steel is used to make body panels, wheels, intake manifolds, brakes, etc.. so why not an engine block? Is it not possible? I'd think these hyper-car manufacturers would have pushed one out. Just a question... Quote Link to comment Share on other sites More sharing options...
hoov100 Posted April 28, 2006 Share Posted April 28, 2006 i think it would get to hot, maybe a CF block with aluminum sleeves. Quote Link to comment Share on other sites More sharing options...
bjhines Posted April 28, 2006 Share Posted April 28, 2006 It does not bond well to other materials... different expansion characteristics, stress risers from diferent materials, etc... They can't glue in a bunch of metal bearing surfaces and rely on them staying put... Quote Link to comment Share on other sites More sharing options...
Boobala Posted April 29, 2006 Share Posted April 29, 2006 The Ferrari Formula 1 cars sport titanium/carbon fiber gearboxes. Not a Carbon Fiber engine (yet), but a successful blend of metal and composite. Quote Link to comment Share on other sites More sharing options...
AK-Z Posted April 29, 2006 Share Posted April 29, 2006 The reason why there hasn't been a CF engine built yet is because because CF is flamable. Now there are heat treated CF parts (baked) but that turns into a totally different material that everyone categorieses it with CF, which iI believe is called thermal plastic. They used it to build the F22 Raptor. Even then the material can only take so much heat. Regular CF material is suspesnded in resin. The CF itself (cloth) isn't flamable but because of the resin, it causes a wik effect, kind a of like the science project where you try to light a pile of sugar, when you intorduce carbon to it , it lights. So the reason I see for such a block to exist is because of the resin. IF they made a resin that withstand +900 degrees. than I would see someone at least trying to build one. Quote Link to comment Share on other sites More sharing options...
ZROSSA Posted April 29, 2006 Share Posted April 29, 2006 There is an engine called a polymotor. Its a 4 cylinder 4 valve headed engine that was designed for speedway work I think. The 2.0 lt version made 300 bhp on methanol at reasonably low revs. From what I remember it was ceramic with c/fiber bits as well. Came in about 20kg lighter then a bdh cosworth if I remember correctly. Douglas Quote Link to comment Share on other sites More sharing options...
olie05 Posted April 30, 2006 Share Posted April 30, 2006 Maybe one could make the upper half of the engine aluminum and the lower half carbon fiber? the lower part doesnt see as much heat as the part near the combustion chambers. Quote Link to comment Share on other sites More sharing options...
Moridin Posted May 1, 2006 Share Posted May 1, 2006 I've talked to a couple of guys who were working on non-flammable resin for CF Quote Link to comment Share on other sites More sharing options...
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