Ah shoot! 2 for 2

forward only yes it is

..good to know ppl are double checking the info.
pssst, kaptain Jack, mind if I delete the thread/evidence and you start again?
j/king
Decent capacity, decent priced brushed esc's are becoming difficult to find with the seemily onset popularity of brushless, but here's one that would probably work fine.. and it is reversible too.
http://www.robotmarketplace.com/prod...INYESC-V2.html
Several ppl have used continuos rotation servos in many of a Bruder constr model conversion... whether or not it fills the bill for your needs depends the amount of weight/stress you intend to lift vs the power/gearing/tpi screw rod.