Power Hobby - Twister Twin / Dual 40mm 1/8 1/5 Motor Aluminum Cooling Fan - Blue Engines .12-.18 in³ (2-2.9 cc) 4:1 internal gear reduction (in
Baker’s notes & crumb story
Description
Power Hobby Twister Twin Dual 40mm 1 8 1 5 Motor Aluminum Cooling Fan Blue Engines .12 .18 in³ (2 2.9 cc) 4:1 internal gear reduction (in 4:1 internal gear reduction (in addition to the pinion 52T spur reduction) Weight 53g each