When I saw the Maxicar stand at the spring 1989 Paris bike show I picked up quite a bit of Maxicar literature - a lot of what they produced was for wheelchairs - I suspect that there is a use there for a left hand threaded hub on wheelchairs.
Hilary Stone, back in Bristol, England
Nelson Miller wrote:
> Group--- I have one for you to figure out ---- A couple of years ago, I built
> up a pair of wheels using new Maxi-Car hubs. When I went to put on a
> freewheel, it wouldn't fit, so I assumed that it took a French thread. Wrong,
> it wouldn't go on either. A thread guage said they were English threads.
> Cutting the story much shorter, I eventually discovered that the freewheel
> threads on the new hub were left handed. Anybody have an explanation for
> that? (Combined with a left hand threaded freewheel, it work quite well for a
> left drive set-up! :-)