Half a croissant, on a plate, with a sign in front of it saying '50c'
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driven via differential gearbox

 hand propelled wheelchair utilising differential gearbox
 
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This wheelchair has been made & tested. It will benefit from a variable ratio gearbox to cope with incines. I have designed such a gearbox but is there something already in use that I can utilise. This product is the best I have seen with many advantages over existing models. Is there anybody who wants to help with the development?
—liam2, Jun 04 2004

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       From the idea text: "This wheelchair has been made & tested."
From the Help page: "Ideas for the halfbakery should be original to the poster and should, as far as the poster knows, not exist already...Do not post product announcements or advertisements."
It may well be a good idea, but I'm not sure that it belongs here.
—angel, Jun 04 2004
   


 

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