> As far as fenders slowing me down - I doubt it. I think any effect is
> too small to notice. But my times on a given course with racing bikes
> and with randonneur bikes don't seem to vary much. Nor are people on
> state-of-the-art racing bikes able to drop the randonneur bikes on
> longer rides.
Doesn't this disprove your hypothesis of aeorodynamic advantage? Nobody's argueing that fenders slow anyone to a snail's pace but you haven't shown any proof of going faster with fenders. As to wind tunnel experience, I worked for a builder that had lots and the rest of that story belongs offlist before somebody jumps ugly on me.
Curt "Falliero made me do it. Prove he didn't!" Goodrich Minneapolis, MN