Simon Brooke wrote:
in message , Tony Raven
') wrote:


No efficiency either. Plus tend to slip under power unless you use a
heavy belt under high tension.


Or teeth.


Have a look at a Harley drive belt - it has teeth and still needs lots
of tension to stop it slipping on a large diameter toothed drive pulley.
So does the toothed belt on a Strida (which slips if you try too hard
on the pedals)


--
Tony

"I did make a mistake once - I thought I'd made a mistake but I hadn't"
Anon