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PostPosted: Mon Jul 29, 2013 1:14 pm 
retrobike rider / Gold Trader
retrobike rider / Gold Trader
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Joined: Thu Feb 24, 2011 1:15 am
Posts: 1887
Location: Getting fitter, I will beat the Surrey Hills....
Got sent this today:

http://www.brit.co/rubbee/

Seems like an interesting design concept and cheaper than an actual electric bike if you were so inclined. I wonder how much it wears the tyres down though. Then it linked to this at the end, a DH bike with the gadget fitted, looks fun!

http://vimeo.com/69878556

8)


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PostPosted: Mon Jul 29, 2013 2:32 pm 
Old School Grand Master
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Joined: Sun Jan 06, 2008 2:36 pm
Posts: 4007
Location: uk
is there a stop start, just wondering what you need to do to stop quickly,


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PostPosted: Mon Jul 29, 2013 4:01 pm 
MacRetro rider
MacRetro rider

Joined: Fri Feb 09, 2007 4:16 pm
Posts: 8658
Sir Clive Sinclair came up with that idea many years ago and it was both noisy and rubbish. I think his were called Zeta. Possibly the rubee has a quieter motor and better battery but I doubt it will be any more effective !


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PostPosted: Mon Jul 29, 2013 4:37 pm 
retrobike rider / Gold Trader
retrobike rider / Gold Trader
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Joined: Thu Feb 24, 2011 1:15 am
Posts: 1887
Location: Getting fitter, I will beat the Surrey Hills....
No idea how to stop it in a hurry! As far as I could tell they just brake normally, they certainly dont seem to reach down for a switch or anything?

This certainly seems efficient, the chap riding it in the first clip seemed to be whipping along nicely and the dh guy certainly had some speed about him, but I agree that I cant imagine it is incredibly efficient and I still think ir would just eat up tyres. Still want a go on one though for a laugh!


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PostPosted: Thu Aug 01, 2013 9:40 pm 
Old School Grand Master
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Joined: Mon Jun 14, 2010 9:06 pm
Posts: 4440
Location: Herts UK
re: videdao ^^^^ what is the point? you have gravity and pedals to help you go downhill - I would have been more interested/impressed if he had ridden the bike up those steps.


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PostPosted: Fri Aug 02, 2013 12:04 am 
Retro Guru
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Joined: Sun Mar 14, 2010 2:33 am
Posts: 2924
Location: daaan saaaf
Not exactly a new idea: http://en.wikipedia.org/wiki/V%C3%A9loSoleX :D


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PostPosted: Fri Aug 02, 2013 7:22 am 
Retro Guru

Joined: Wed Sep 14, 2011 7:28 am
Posts: 300
Location: Fife
xerxes wrote:


That's what I was thinking. I can clearly remember Mme Bertillon, the mother of the family in my school French book, had a motor on her bike that could be engaged with the tyre when required. That was in 1980 and there was no suggestion that this was in any way unusual.

I had a theory about motorising my bike by fitting a battery to the bottle dynamo. :lol:


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