Valve spring abuse.
Valve spring abuse. Check out the vid labeled "test004.avi"
Download it and watch it. It'll take some time, so right click and select "save as" and save it to your favorite folder. Then go get a beer, coffee, treat the old lady to your usual 5 minutes of pleasure.
whatever. Then come back in a while and check it out. Sheds some light into the abuse valve springs encounter.
7K RPM's, .700" lift on an older Nascar truck motor. It's an awesome vid.
Download it and watch it. It'll take some time, so right click and select "save as" and save it to your favorite folder. Then go get a beer, coffee, treat the old lady to your usual 5 minutes of pleasure.
whatever. Then come back in a while and check it out. Sheds some light into the abuse valve springs encounter.7K RPM's, .700" lift on an older Nascar truck motor. It's an awesome vid.
Last edited by Rokko; Sep 28, 2006 at 09:27 AM.
I'm kinda surprised how slow they are moving in that video. I would have liked to see a real-time video in addition to the slowed down version. But the harmonics that each of the coils exhibits is pretty freaky. Who-da-thunk they moved like that....
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Verdad Gallardo Bitchin, I got 58 too. Suh-Weet.
I got there a bit different though. 7000/2 = 3500 3500\60 = 58.333
And to think, I absolutley hated math in school. Too bad they couldn't use real world scenarios like these.
I got there a bit different though. 7000/2 = 3500 3500\60 = 58.333
And to think, I absolutley hated math in school. Too bad they couldn't use real world scenarios like these.
The retainer's rotating a bit too. That's gotta be a function of the way the spring is wound and helixed like a screw thread.
I can see the valve bouncing a bit at the closing point.
Check out the way the oil is flying off the spring in droplets as it vibrates with harmonics
And the holes in the retainer top for oil to reach the inner springs for cooling.
Lotsa cool stuff going on in that vid.
I can see the valve bouncing a bit at the closing point.
Check out the way the oil is flying off the spring in droplets as it vibrates with harmonics
And the holes in the retainer top for oil to reach the inner springs for cooling.
Lotsa cool stuff going on in that vid.