Carl Fogel wrote:

-snip-
Here's a stray question to emphasize the depth of my
ignorance: are there fixed-gear tandems? If so, do
they use a different gear--higher or lower--than
either rider would normally use?
-snip-

Traditionally, the only competitive tandem event is on the
track. Gearing used to be 46x16. (I haven't kept up with that.)

--
Andrew Muzi
www.yellowjersey.org
Open every day since 1 April, 1971