Hitec's fastest standard size servo the "Ultra Speed" HS-7940TH is designed
to operate on a two cell LiPo Pack. Featuring our high resolution "G2" second
generation programmable digital circuit and our indestructible Titanium gears,
The HS-7940TH has the performance and durability you've come to expect from a
Hitec servo. Other features in the HS-7040TH include a 7.4v optimized coreless
motor, integrated heat sink case, and a top case with two hardened steel gear
pins supported by axial brass bushing. The HS-7940TH has been designed
for applications where speed and response is demanded. Perfect for High
Performance Nitro and Electric Helicopters, Aircraft, Cars, and Trucks.
Featuring a blistering transit time of .07sec but still maintaining a
respectable 183 in/oz of torque at 6.0 volts.