Castle’s roots are in the remote control hobby industry, since 1997 they have been making the motors and controllers that power enthusiasts’ RC cars, helis, planes and boats. The principles that helped them grow from one man with a desire for "something better" are still their driving force.
Their products are now used by customers from NASA to NASCAR, Castle’s the worldwide leader in the design and manufacture of three phase DC motors and controllers. Their product line covers applications requiring up to 10HP in a handheld package. Combining state-of-the-art technologies and high volume manufacturing at Their Olathe, KS. Headquarters, they have supplied over 1M electronic speed controllers globally.