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N41EF
Flying Brick Rider
Joined: 23 Mar 2014
Posts: 406
Location: Aiken, SC
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 Posted: Sun Jul 16, 2017 10:28 pm Post subject: Drive shaft speed changes |
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https://www.youtube.com/watch?v=gmV4qwLfOMY
Sitting around the camp fire at HM X we had a good time hearing John telling stories of his dive shaft disaster, and how as the shaft angle changes the speed changes. I know some of you after several adult beverages thought this impossible but I found a video that shows how it happens.
The moral of the story is to adjust suspension to keep the shaft as straight as possible.
With the failures of many nearing 100k miles, I think the solution is to ride bikes with 25k miles on them!
Cheers!
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2014 R1200RT Water Cooled
2001 R1100S Light
1993 K1100LT. Nissan Ice Blue.(Gone) |
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Flying Duck
PsyKotic Waterfowl
Joined: 27 Jan 2005
Posts: 10085
Location: Bumf***, WA
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| Posted: Sun Jul 16, 2017 10:38 pm Post subject: |
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But the paralever keeps the final drive parallel to the output at the transmission which the video shows will keep things at the same speed.
Although the video does show the importance of having the U-joints in phase.
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93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
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IBA #17739 (SS1K, BBG, 50CC)
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Jim
Site Admin
Joined: 17 May 2003
Posts: 3840
Location: WHERETHEFUNNEVERENDS
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| Posted: Sun Jul 16, 2017 11:53 pm Post subject: |
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Good vid - thanks!
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Jim
1997 K1100LTSE 94,000 - has gremlins!
1995 R100RT Classic 16,650 crashed - repairing
1992 K75RTP 46,000
1992 R100R 24,000 - FOR SALE
"We shall not all die, but we shall all be changed." |
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SugarHillCTD
Site Admin
Joined: 10 Oct 2007
Posts: 4240
Location: Now in Eastern Pennsylvania
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| Posted: Tue Jul 18, 2017 7:22 am Post subject: |
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| Flying Duck wrote: | | But the paralever keeps the final drive parallel to the output at the transmission which the video shows will keep things at the same speed. |
Interesting. But then the shortened "silver rod" (as BMW calls the "reaction arm" below the swingarm) on the sport suspension Boxer Cup ignores that.
Hmm.
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John & Cathy
'92 K100RS4V Pearl White SOLD
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