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Overhead Cam at 14K RPM

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Published on Feb 23, 2010

This video shows an operational cutaway of a BMW S1000RR — a 193HP superbike — bumping against its 14,200RPM redline. A cam and valvetrain at 118 cycles per second is an amazing sight (and sound)

Comments • 2,233

RekxFord
Some one really needs to do this again with one of those 10,000,000 fps cameras, that would be a trip to see in slow motion, actually watching those spring go up and down that fast...
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idriwzrd
Hard to believe that the combustion event can be controlled in the cylinder at these speeds.
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khaled6100
Put your finger inside
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roadrunnerblink
Always baffles me that the springs are able to 'expand' quickly enough to keep up with the cams. You wouldn't think they'd be able to at that speed. Awesome. 
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bicylindrico
And the pistons are running at twice that speed.
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Dalton Elliott
this is arguably the coolest video i've ever seen. i love being a car geek and knowing that there are thousands of others who feel the same.
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LeGronk
am I the only one tensing up watching this?
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depax95
Bullshit, i only counted 13.944 rpm....
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Michael Lee
Song notes: "5" is D (re) "6" is G (sol) "7" is B (ti) "8" is A (la) "9" is F# (fa) in a scale, you can press 5, (missing E or mi), 9 , 6, 8, 7
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Mr. Moto
Is this why I have to check my KTM's valve clerance every 5 seconds?
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