2009/11/6 Bob Stuart <bobstuart@...>
> However, if the snaking  frequency matches every pedal stroke, as Doug claims,
the problem is more likely caused by chain tension bending the frame and
steering the rear wheel.

Article about modifying a recumbent trike to make it stiffer and
reduce pedal steer:
http://www.bentrideronline.com/?p=2785

--
alan.braggins@...
http://www.chiark.greenend.org.uk/~armb/