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Ducati Monster Forum
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Way cool BMW S 1000 RR video
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Topic: Way cool BMW S 1000 RR video (Read 3598 times)
Randimus Maximus
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'01 996SPS
Way cool BMW S 1000 RR video
«
on:
February 19, 2010, 10:29:11 AM »
BMW S1000RR Technical Video - Valves in Motion High RPM
More info:
http://www.autoblog.com/2010/02/19/video-bmw-s-1000-rr-valvetrain-at-full-bore-shocks-and-awes/
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Quote from: Jacob on June 06, 2011, 11:07:02 AM
you may be a god
Travman
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Re: Way cool BMW S 1000 RR video
«
Reply #1 on:
February 19, 2010, 10:36:11 AM »
That is cool how the valves actually spin. Are they designed to spin for a reason?
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derby
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Re: Way cool BMW S 1000 RR video
«
Reply #2 on:
February 19, 2010, 10:44:03 AM »
Quote from: Travman on February 19, 2010, 10:36:11 AM
That is cool how the valves actually spin. Are they designed to spin for a reason?
valves don't spin, the cams do.
they spin to open the valves (which are then closed by the springs).
edit: i think you're seeing them spin due to vibration.
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Randimus Maximus
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'01 996SPS
Re: Way cool BMW S 1000 RR video
«
Reply #3 on:
February 19, 2010, 10:45:37 AM »
Quote from: derby on February 19, 2010, 10:44:03 AM
valves don't spin, the cams do.
they spin to open the valves (which are then closed by the springs).
I think he is talking about how the valves are rotating, which they are supposed to do (you can see the red marks on the springs as they rotate). It is to prevent uneven wear.
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Quote from: Jacob on June 06, 2011, 11:07:02 AM
you may be a god
angler
my dangling
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Re: Way cool BMW S 1000 RR video
«
Reply #4 on:
February 19, 2010, 10:46:23 AM »
Quote from: derby on February 19, 2010, 10:44:03 AM
valves don't spin, the cams do.
they spin to open the valves (which are then closed by the springs).
If you watch the video, the valve spring and retainer rotate as well at high RPM. I'm no valve train engineer, but I remember someone telling me they are designed to rotate so they wear evenly.
<edit>
DAMMIT! Beaten to the punch! Just once I'd like to correct Derby, particularly since he busted me earlier today.......
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996 forks, BoomTubes, frame sliders, CRG bar-end mirrors, vizitech integrated tail light, rizoma front turn signals, rizoma grips, cycle cat multistrada clip ons, pantah belt covers - more to come
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SolidSnake3035
Stamford, CT
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Re: Way cool BMW S 1000 RR video
«
Reply #5 on:
February 19, 2010, 11:02:41 AM »
That's ridiculous...
Anyone know how many RPMs that would have been? I thought it was going to explode there for a minute.
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Speed is always relative.
Travman
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Re: Way cool BMW S 1000 RR video
«
Reply #6 on:
February 19, 2010, 11:06:03 AM »
Quote from: Randimus Maximus on February 19, 2010, 10:45:37 AM
I think he is talking about how the valves are rotating, which they are supposed to do (you can see the red marks on the springs as they rotate). It is to prevent uneven wear.
Yes, that is what I was referring to. Thanks for the info.
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Randimus Maximus
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Re: Way cool BMW S 1000 RR video
«
Reply #7 on:
February 19, 2010, 11:12:05 AM »
Quote from: SolidSnake3035 on February 19, 2010, 11:02:41 AM
That's ridiculous...
Anyone know how many RPMs that would have been? I thought it was going to explode there for a minute.
14.2K, which is redline.
The article that is hyperlinked below the video has all the details.
«
Last Edit: February 19, 2010, 11:15:38 AM by Randimus Maximus
»
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Quote from: Jacob on June 06, 2011, 11:07:02 AM
you may be a god
SolidSnake3035
Stamford, CT
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Re: Way cool BMW S 1000 RR video
«
Reply #8 on:
February 19, 2010, 11:24:17 AM »
Wow that's crazy it seems much higher than that.
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Speed is always relative.
teddy037.2
Guest
Re: Way cool BMW S 1000 RR video
«
Reply #9 on:
February 19, 2010, 11:31:27 PM »
sheesh... it's all... leaky...
sucks to be whoever had to clean up after that video
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BastrdHK
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Quit complaining, and ride the damn thing!
Re: Way cool BMW S 1000 RR video
«
Reply #10 on:
February 20, 2010, 12:11:19 AM »
I'm surprised there is so much oil burn off
I thought it was meant to be more stable at those temps.
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M-ROCin' it!!!
Buckethead
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Re: Way cool BMW S 1000 RR video
«
Reply #11 on:
February 20, 2010, 03:53:29 AM »
I'm guessing it's less "burn off" and more "really fine atomization" due to the speed at which those parts are moving.
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Quote from: Jester on April 11, 2013, 06:29:35 AM
I can't wait until Marquez gets on his level and makes Jorge trip on his tampon string.
mitt
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Re: Way cool BMW S 1000 RR video
«
Reply #12 on:
February 20, 2010, 04:25:50 AM »
very cool - thanks for posting it
mitt
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NorDog
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Re: Way cool BMW S 1000 RR video
«
Reply #13 on:
February 20, 2010, 07:11:51 AM »
My old R90/6 could do that.
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A man in passion rides a mad horse. -- Ben Franklin
LA
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The Sleek Black Beauty
Re: Way cool BMW S 1000 RR video
«
Reply #14 on:
February 20, 2010, 09:17:32 AM »
Yea that video is way cool. I've only owned one 4 cylinder bike, a VFR1000 Interceptor back in 84 - a pig of a motorcycle, but it would do 155 mph.
I can't believe I'm saying it, but if I were buying a new bike right now, it could well be on of those Beemers.
Have a seat on one. They are tiny. 193HP?
Tell em Nutts. Those things are outrageous.
We are in another golden age of motorcycling.
LA
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"I'm leaving this one totally stock" - Full Termi kit, Ohlins damper, Pazzo levers, lane splitters, 520 quick change 14/43 gears, DP gold press plate w/open cover, Ductile iron rotors w/cp211 pads.
R90S (hot rod), 80-900SS, Norton 850 MkIII, S4RS
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