the exhaust on the spike was two-in-one like this...
スパイクのエグゾーストは2本が途中で合体していたのですが・・・
ダメダメ、靴のかかとを踏んでもいいのは不良だけだよ！
can't see well in this picture but long story short, they separated the 2in1 to 2 to increase efficiency. it didn't make much difference this time but they tried everything they could to make it faster on-site!!
写真では見えにくいですが、早い話、排気効率を上げてみるかということで、2イン1を切って2本にしてみたようですね。今回はあんまり劇的な効果はありませんでしたけど、マシンを速くするために考え付く限り、でき得る限りを現場で手早くこなす姿はこれまた、レースの醍醐味かもしれませぬ。
2 comments:
As I remember spyke has a lot of engine performance modifications .. I am just curious how far a knucke can be pushed ...
does spike have original bore and stroke?
carburation ..i remember the two likerts on the spyke but on the salt flats photos i see an s&S?
exaust ...
I remember some photos recalculating the gearbox ratio ..
I would try also folowing stuff :
-a lighter flywheel
-high compresion pistons
-polished interior of the intake and exaust of the heads
-2 more angles at the valves and valve seat (but this can lower valve cooling if it is too extreme)
maybe it helps :)
Basty
Bastybikes: thanks.
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