 OT: Now that's some Revs! |
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| Ferg |
 Feb 22 2010, 01:34 PM
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#1
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914 Guru  Group: Members Posts: 5,948 Joined: 8-January 03 From: Boulder CO Member No.: 116 Region Association: None 
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BMW S1000RR motorcycle engine cutaway at 14,200 RPM
https://www.youtube.com/watch?v=VSDa-EUT3ZE&feature=player_embedded Making 193bhp and 83lb/ft of torque, the 2010 BMW S1000RR is the most powerful 1000cc production bike on the market. |
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Replies(1 - 6)
| davidj |
Feb 22 2010, 02:10 PM
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#2
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Newbie Group: Members Posts: 41 Joined: 19-November 08 From: Ventura, Ca Member No.: 9,771 Region Association: Southern California |
WoW!! Thats wild. See the valve springs and retainers rotating?
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| nykthebartender |
Feb 22 2010, 02:16 PM
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#3
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Newbie Group: Members Posts: 16 Joined: 16-February 09 From: Poconos, Pennsylvania Member No.: 10,058 Region Association: MidAtlantic Region |
I feel like I should have safety glasses on.
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| Todd Enlund |
Feb 22 2010, 06:11 PM
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#4
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Resident Photoshop Guru Group: Members Posts: 3,251 Joined: 24-August 07 From: Laurelhurst (Portland), Oregon Member No.: 8,032 Region Association: Pacific Northwest |
QUOTE(davidj @ Feb 22 2010, 12:10 PM)  WoW!! Thats wild. See the valve springs and retainers rotating? Not only that, but the one on the right, the retainer is floating off the spring enough to rotate independent of the spring. |
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| ahdoman |
Feb 22 2010, 06:13 PM
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#5
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It's phonetic...Ah-D-O-Man (Audioman) Group: Members Posts: 667 Joined: 7-November 05 From: Santa Clarita, Ca. Member No.: 5,084 Region Association: Southern California |
That rotation is interesting. I don't know if they actually switched directions or if it's a result of the RPM's outdoing the FPS of the video.
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| Katmanken |
Feb 23 2010, 09:10 AM
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#6
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You haven't seen me if anybody asks... Group: Members Posts: 4,738 Joined: 14-June 03 From: USA Member No.: 819 Region Association: Upper MidWest |
An education on resonance modes.
You can see the spring coils go through a series of resonance modes as the engine is accelerating- (coil gaps changing) And the system goes through resonance modes as shown by the changing rotation of the spring and retainer. A variable strobe light would have shown more. |
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| Mr.242 |
Feb 23 2010, 09:31 AM
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#7
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May your glass be smaller so it's always FULL! Group: Members Posts: 1,079 Joined: 10-June 08 From: Seattle Member No.: 9,160 Region Association: Pacific Northwest |
All I see is............
Where would we be without YOUTUBE? What will we get to see in another 20 years! The library is growing daily. True on other comments..... |
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