Irv Cooper's ( Quad Star 

A modified Twin Star - 4 Speed 400 6V Motors - Gunther Props in parallel on 8 2400 mah Nicads

Pulls 38 Amps static but unloads quickly in the air & being full throttle is not used much, duration is not much different
than when it was a twin.

If you have a TS or have the kit, the following pictures should be adequate to convert yours. Motor thrust lines are
parallel to the bottom of the wing, spacing on the motors is 5.4" Nacels are cut from white foam coffee cups and
colored black with magic marker.