Monday, January 21, 2008

Valvespring at 7000 RPM

Duration: 00:18 minutes
Upload Time: 2006-10-02 17:54:06
User: blackmkiv
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Tags:

Engine  Nascar  

Description:

Nascar engine from 7 years ago. 7000rpm with a .700 cam lift.

Comments

fdzwes ::: Favorites  2007-12-26 01:23:39

Youtube at its best!
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yesbill01 ::: Favorites  2007-12-21 12:18:01

The reason it appears.....oh never mind....I see you drive a Ford.
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yesbill01 ::: Favorites  2007-12-21 12:15:58

How about hearing them at 17,000 rpm! F1.
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MonkeyWithAWrench ::: Favorites  2007-12-16 15:05:10

right. if ya watch the oil at the bottom of the spring, it kinda flicks around, instead of moving slow and fluid
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gokudead133 ::: Favorites  2007-11-22 09:39:00

i am obsessed with this video. that whole video took place in .1029 of a second real time...the valve opened to .700" then closed gentley on the seat, the spring had time to compress and at max lift the middle coil shook twice and at rest the middle 3 coils shook 4 times and then did all that 6 more times!!!! great great video...puts it all in to a new light when you actully see the reason why sping pressure is so important.
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F1V1 ::: Favorites  2007-11-17 19:05:09

What in the Sam Hell?
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xphilip ::: Favorites  2007-11-14 21:05:06

Gents - the video is being shot in real time. The noise is the engine running. There is a strobe whose period is set to JUST LESS than the period of the engine. Eg 7000 rpm period = 0.00857 seconds (116.66 flashes per second). if the period was the same the valve would appear stationary, by setting it slightly less (slower) the valve appears to have advanced marginally between each flash. Any questions? :)
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laurence265 ::: Favorites  2007-11-14 12:02:23

suuuper slooow mooo.. nah this is super high speed camera and slowed down
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kuulkatdadieo ::: Favorites  2007-10-19 18:37:30

Looked like I was watching xxx films
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mrwassman ::: Favorites  2007-10-09 14:51:48

Wow to those who don't understand that was slowed down
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cevi99 ::: Favorites  2007-09-29 10:30:17

I RATHER SEE PISTONS AT 11,000RPM
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txfieros ::: Favorites  2007-09-23 11:11:12

The reason I said shutter speed is because it seems much the same as shooting an Airshow and changing the shutter speed on your video camera. At certain shutter speeds the propellers on the planes seem to stay still and not move. That's just my take on it.
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vrifts ::: Favorites  2007-09-23 05:47:39

i dont kno about all u guys but that looks so much like it was shot it slow motion. in slow motion shots, it usually has a strobe affect like this one does but the only thing that confuses me is the noise in the background. its so high pitched. if its the sound of that engine, its definitely too high for a slow motion shot
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vrifts ::: Favorites  2007-09-23 05:39:59

not a good idea. oil spits n it'l probly be hot
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LT1ZF6 ::: Favorites  2007-09-14 09:10:02

Actually, it's a strobe light
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