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  #46  
Old 02-06-2007, 08:12 PM
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Last edited by carreragt10; 02-06-2007 at 08:16 PM.
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  #47  
Old 02-15-2008, 10:16 PM
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Mazda 787B #20
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  #48  
Old 02-16-2008, 07:25 AM
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cheers for the mint pictures it sure is a sexy car

ummmmm 4 rotors

sounds awesome too i wonder wen mazda will get the 4rotor out again??
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  #49  
Old 02-16-2008, 05:14 PM
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sounds awesome too i wonder wen mazda will get the 4rotor out again??
Not likely - rotarys were banned from competing at Le Mans. Mazda did support a 3-rotor for BK's Courage C65, not heard much of it recently however. Shame - rotarys are very interesting engines.
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  #50  
Old 02-19-2008, 07:07 AM
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well yeh with mass production they would be a hell of alot cheaper with only 3 moving parts but not enough interest and mass manufacturing means high part cost etc..
im shocked they didnt put the 4rotor in the new furai concept but i guess the 3 rotor is a bit more reliable !!
no reciprocating engiens can match the amazing sound they make and the performance for the engine size (even though thats hard to measure?!?!).
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  #51  
Old 02-19-2008, 04:51 PM
RenesisEvo RenesisEvo is offline
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im shocked they didnt put the 4rotor in the new furai concept but i guess the 3 rotor is a bit more reliable !!
AFAIK the Furai was a special body built on top of the Courage tub with the 3-rotor in the back.

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Originally Posted by jugga View Post
no reciprocating engiens can match the amazing sound they make and the performance for the engine size (even though thats hard to measure?!?!).
You get more common measures like bhp per litre, there are also more exacting methods, such as bsfc (brake specific fuel consumption, in kg/(kWhr)) and things like indicated mean effective pressure (imep). bhp/litre - the 787B R26B engine shoved out around 700bhp from 2.6 litres, i.e. 269bhp/litre. Compare to a current F1 engine though, and it doesn't actually look so promising - 850bhp from 2.4 is 333bhp/litre, and the old 1.5 turbo engines managed nearly 1,330 bhp/litre!! But less moving parts does mean the engine is more efficient, as the total friction in the system is less; an F1-spec rotary would produce silly bhp, and more likely at revs in excess of 30,000rpm.
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  #52  
Old 12-15-2012, 11:37 PM
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Mazda 787B #21
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