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TWIN ENGINE CR500

Posted: January 17th, 2009, 9:54 pm
by xtremeslide
I watched the video with RPeterson riding the CR 1000,have some of you guys more info about how this bike was made,transmition,etc...

Posted: January 17th, 2009, 10:11 pm
by 100hp honda
i think hamilcrf on the other site owns it now. he could tell you how it works

Posted: January 18th, 2009, 7:04 am
by Roostius_Maximus
can you link to that vid?

Posted: January 18th, 2009, 8:04 am
by lewisclan
Image

Posted: January 18th, 2009, 1:49 pm
by aloha450x
so he didnt win? who was first?

Re: TWIN ENGINE CR500

Posted: January 18th, 2009, 5:29 pm
by rpeterson
xtremeslide wrote:I watched the video with RPeterson riding the CR 1000,have some of you guys more info about how this bike was made,transmition,etc...
The motors are connected with a jackshaft double sprocket and both run independently. All gears were takin out except 2nd.

RP

Posted: January 19th, 2009, 6:20 am
by Roostius_Maximus
2nd gear makes more sense than 4th like hamilcrf runs

Posted: January 19th, 2009, 3:36 pm
by CRMOE500
Roostius_Maximus wrote:2nd gear makes more sense than 4th like hamilcrf runs
Maybe because 4th is physically bigger and stronger to handle the abuse? Just change the final gearing. Throwing out ideas, but there is always a reason. I could ask Ken and see what he says. Besides it has always peaked my interest when guys mod there transmissions like this.

Posted: January 20th, 2009, 5:14 am
by xtremeslide
it has always peaked my interest when guys mod there transmissions like this.[/quote]

x2

Posted: January 20th, 2009, 7:31 am
by Roostius_Maximus
2nd gear would only require 3 gears and one shifter fork, and its ALOT stronger gear than 4th that needs 5 gears or custom spacers and 2 shifter forks. but the contact width is 70% of 2nds.
If your trying to save alot of rotating mass 2nd is the way to go.

Posted: January 20th, 2009, 8:26 am
by pstoffers
Roostius_Maximus wrote:2nd gear would only require 3 gears and one shifter fork, and its ALOT stronger gear than 4th that needs 5 gears or custom spacers and 2 shifter forks. but the contact width is 70% of 2nds.
If your trying to save alot of rotating mass 2nd is the way to go.



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Posted: January 22nd, 2009, 5:28 pm
by CRMOE500
Roostius_Maximus wrote:2nd gear would only require 3 gears and one shifter fork, and its ALOT stronger gear than 4th that needs 5 gears or custom spacers and 2 shifter forks. but the contact width is 70% of 2nds.
If your trying to save alot of rotating mass 2nd is the way to go.
Thanx for the info. Could you maybe post up a pic of a modified trans for us to see?

Posted: January 22nd, 2009, 5:45 pm
by Roostius_Maximus
in 2nd you have only 1 fork on the blue gear (4th) which is used to carry the green gear
Image

in 4th you have a shifter fork holding 3rd(green, that carries the purple gear of 4th) and 4th(blue) and likely the 2 gears of 2nd(below 4th in this pic) to hold the gears in place anyways.
Image

I suppose if you didnt need neutral at all you wouldnt need any fork, shifterdrum, or lever.

beautiful!

Posted: January 27th, 2009, 1:40 pm
by kdizzle
lewisclan wrote:Image
That Vid is as good as any pron i have seen... Dude has a set of balls to jump that monster and give it the nads on the way up.. man that got me fired up im going to get on the 5 and piss off the neighbors!

Posted: January 27th, 2009, 1:42 pm
by pstoffers
:headbang: