>
>>> That is a very interesting design, though I would think it would be
>>> stronger if both wheels had three support points instead of two, with one
>>> at the very bottom at the other two at 120-degree points.
>>
>> I think it all comes down to materials. It would probably do fine. It
>> is likely OK for a normal cyclist, but Pharma Armstrong would probably
>> destroy it in 30 seconds. But I do see one critical design flaw. The
>> chain goes down to the bottom of the rear wheel. By placing the drive
>> "hub" down there, it's going to get wet, dirty and broken from FOD.
>> Granted, one advantage for having it there is that it places the
>> strains and stresses right near the point of tire contact, which would
>> greatly reduce wheel and frame stresses, but it's a lube and clean
>> nightmare.
>>
>
>Plus, it appears to be friction drive, which means if the rim gets dirty or
>wet, and/or the drive wheel gets dirty/wet, how are you going to transfer
>drive energy to the wheel?
>
Hmmmm....
Chris the Moto(bécane)maniac
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