Originally Posted by cnnrmccloskey

Yup, I beleive thats the reason most clamp on derailuers lock out part of the drop out so the wheel naturaly falls there. I've even been noticing dept store bikes (schwinns in the cases I've seen) where the drive side dropout doesn't run as far back (a really stupid system imo but much cheaper than getting good enough facilities for tighter tolerances alowing vertical dropouts)