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-   General Boating Discussion (https://www.offshoreonly.com/forums/general-boating-discussion-51/)
-   -   Combustion video (https://www.offshoreonly.com/forums/general-boating-discussion/170120-combustion-video.html)

C_Spray 10-02-2007 09:38 PM
Originally Posted by CCstinger260 (Post 2292122)
...way cool, now think indy car motor and multiply by 2!:cool-smiley-027:
Try almost 3 times. We were turning close to 17,000 rpm in our Honda's in 2000. Almost 1000 hp from 161 cubic inches, and only 6 inches of boost.....

CCstinger260 10-02-2007 10:57 PM
Haven't kept up with Indy cars for a looong time. I knew they went about 14k, had no idea they went way more than that. Sick amount of HP out of those little beasties though.

tomtbone1993 10-03-2007 01:09 AM
Originally Posted by Tantrum (Post 2292250)
Ive said that more than once watching vidoes posted by Strip :D :cool-smiley-027:
:D:D:D:

jeff1000man 10-03-2007 01:20 AM
Originally Posted by burtandnancy (Post 2292643)
I keep looking and they edit out or omit the exhaust stroke. The exhaust valve opens, then the video skips ahead. Anyone know why?
That is definately not a marine engine, because the duration on the cam opens the exhaust valve way to early in the cycle. It looks like when the valve opens that the smoke swirl is still being drawn down into the cylinder.

Or are my eyes just bad.

Wonder what the center lobe is on that cam?

jeff1000man 10-03-2007 01:21 AM
Originally Posted by burtandnancy (Post 2292643)
I keep looking and they edit out or omit the exhaust stroke. The exhaust valve opens, then the video skips ahead. Anyone know why?
That is definately not a marine engine, because the duration on the cam opens the exhaust valve way to early in the cycle. It looks like when the valve opens that the smoke swirl is still being drawn down into the cylinder.

Or are my eyes just bad.

Wonder what the center lobe is on that cam?

320es 10-03-2007 11:27 AM
Very cool vid.

SKRAMER 03-25-2008 06:07 PM
Very cool!!!

AB From Windsor 03-25-2008 06:33 PM
That is great to watch. We know the theory and now we can see that theory visually as it happens.

HabanaJoe 03-25-2008 07:35 PM
That is really cool - great find!!!


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