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it works , I cant believe IT works

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it works , I cant believe IT works

Old 02-22-10, 08:47 AM
  #1  
brakemeister 
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it works , I cant believe IT works

I am soooo stoked .... worked on a bike this weekend and IT works ....
I am taking some of my comments back from earlier ...I really like IT

feels different ...... I can see why other people like it so much ....

this was a money no object mod....
Now that I like it I need to tie up a few loose ends, pricing availibilty .
Also need to make a couple pics for you to enjoy

what is IT ?
take a guess .......

thor
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Old 02-22-10, 09:03 AM
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Originally Posted by brakemeister View Post
I am soooo stocked .... worked on a bike this weekend and IT works ....
I am taking some of my comments back from earlier ...I really like IT

feels different ...... I can see why other people like it so much ....

this was a money no object mod....
Now that I like it I need to tie up a few loose ends, pricing availibilty .
Also need to make a couple pics for you to enjoy

what is IT ?
take a guess .......

thor
Not 'stocked' but 'stoked' .. old surfer term from way back in the day... my guess is you found a Brooks saddle that you like..
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Old 02-22-10, 11:06 AM
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fixed it..lol
No much better than that
took me a little while to get right
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Old 02-22-10, 01:42 PM
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An "electric" model Dahon folder?
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Old 02-22-10, 02:22 PM
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Originally Posted by Foldable Two View Post
An "electric" model Dahon folder?
I agree, either that or a gas powered bike.
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Old 02-22-10, 03:08 PM
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Okay, here's my last guess.. Thor, did you go belt drive?? do I get a prize if I win??
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Old 02-22-10, 03:51 PM
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Originally Posted by BruceMetras View Post
Okay, here's my last guess.. Thor, did you go belt drive?? do I get a prize if I win??
Nah, he said it's a "money's no object" mod. Belt drive is too cheap.

Maybe it's a ROHLOFF!
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Old 02-22-10, 03:59 PM
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have a electric Bionix Mu P 8 with a 500 watt engine here for testrides ....
that wasnt it
it is indeed a Gates Belt drive

I am super busy , will try to make pics tomorrow and have them here for you to see first
Thanks
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Old 02-22-10, 04:02 PM
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Rohloff? Nah, both it and Thor are of Teutonic descent, he would not have doubted it works in the first place.

But then, I can't come up with a better guess. Rohloff does fit some of the other remarks. But how would that feel different? Perhaps a NuVinci.
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Old 02-22-10, 05:31 PM
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Aww Man! BruceMetras nailed it!!!
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Old 02-22-10, 05:34 PM
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That would be Foldable Two.
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Old 02-22-10, 06:54 PM
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Awesome!

Just this morning I was looking, with disgust, at some chain gunk that got on my new coat, and was thinking how nice a Curve with a beltdrive would be.

What frame did you "fix"? Uno?
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Old 02-22-10, 07:32 PM
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Now "marry" the Bionix Mu and the belt-drive. That would make a lot of sense.
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Old 02-22-10, 08:09 PM
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Originally Posted by jur View Post
That would be Foldable Two.
What would (?!?)
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Old 02-22-10, 08:40 PM
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Originally Posted by Foldable Two View Post
Now "marry" the Bionix Mu and the belt-drive. That would make a lot of sense.
the bionix motor has a thread on sprocket .... as far as I know there is no Gates rear sprocket for thread on ... otherwise I would have done that :-)

I used a Mu xl Sport with 8 speed Alfine rear hub
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Old 02-22-10, 09:07 PM
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Sounds like a job for a machinist - threaded sprocket can't be that hard.

Jur,

BruceMetras had it right, not me. You have to read Thor's posts very carefully, due to his typing accent...lol

Lou
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Old 02-22-10, 10:37 PM
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Ah, I see it now.
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Old 02-23-10, 09:26 PM
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http://www.thorusa.com/dahon/technical/belt.htm

ok here we go
I havent worked out all the details yet but this is a first raw effort with pics and little explanations
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Old 02-23-10, 09:49 PM
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Looks good, Thor. Very clean solution
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Old 02-24-10, 02:18 AM
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As with so many good ideas, the question is - why hasn't it been done before?
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Old 02-24-10, 05:52 AM
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Well done - Inspiring.
I now want to try and do a Belt conversion on my brompton (already love it on Strida5).
Do you use a 'snubber' bearing and low tension to stop slip, or just good old tension ?
I guess there is a horizontal drop out for this ?
Nice work - I hope you show the bosses at Dahon.
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Old 02-24-10, 06:27 AM
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Any idea how much weight this saves, Thor?
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Old 02-24-10, 08:32 AM
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weight savings is a little complicated as I used a different ( needed) crankset ..... that one is light but in all reality way to expensive. I need to order a more civilized Crank replacement and weigh that instead. From the feel of it the weight saving is however significant , but that can also be my exurbarance about this project ....
( I can understand the wildly optimistic weight savings/ weights of bikes etc etc if the engineers finally see their plan take shape... I can understand... but I do not agree doing so )
No snubber cam or anything ..I have horizontal dropouts on the Mu xl sport .... down the road I would mind trying a nice quality chaintensioner, but I dont think its really needed

Thor

OH almost forgot ....quote: Bosses at Dahon..... there are friends, business partners, folks I can fall back to with real complicated questions, folks who I do admire, but no Bosses ....
I dont get a paycheck or anything like that from Dahon.
I am what they call an IBD ( Independent Bicycle Dealer)
I dont make much money therefore the I in front of BD is very important to me.
The reason I sell Dahons is all the above, plus I like the bikes, To me they represent the most bang for the buck ....big time. Never anybody is 100% right with everything but they are close and trying.
(Simple SImon : I think you might have meant it the right way, just to make absolutely sure that there is no missunderstanding...... its the "I" thing ...lol )
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Old 02-24-10, 08:48 AM
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No probs Thor - I meant this is so good, dahon should do it at the factory, for others to benefit. I think it would be a good option for say the black Mu uno (?) urban single speeder.
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Old 02-25-10, 01:16 AM
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Oooooooh. Want.

*checks money levels*

*curses like a sailor*
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