[badberry68]

I always wondered what a bug sees just before.... <img src="/forum/images/smilies/968/blink.gif" class="smilie" alt="" />



http://www.liveleak.com/view?i=73e_1192001762

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[Renalicious]

Man that's awesome! I eat this stuff up! What amazes me is the speed and force that the fuel / air mixture enters the combustion chamber. It makes me wonder if there is such a large vacuum in the chamber that it sucks that air in, or whether this is forced induction?



But to me this video looks like it's recorded at much faster frame rate than 1000fps. I calculated it out and at 1000fps, being played back at 30fps, at idle the crank will rotate once every 2.4seconds or so. I'd love to know if this engine was idling, or was it being revved. I'd love to see more of this kind of stuff <img src="/forum/images/smilies/968/biggrin.gif" class="smilie" alt="" />

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[PorscheDude]

This one is very cool. Here is a super slow-mo video of valvesprings. 60 megs at a slow download speed but worth it.



http://www.racingsprings.com/movies/test004.avi

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[Anchorman]

I like the combustion chamber video, but I wish it showed at least one complete cycle. There appears to be no valve overlap - in what we can see, the two valves are never open at the same time - suggesting this is not a high-performance engine. Therefore, likely that it is NA, not forced induction. Unless I'm wrong - if so, someone please correct me.



I'll look at valve springs later, when I'm on a highspeed connection.

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