T37 RACING UPGRADE Retrofit Kit

The T37 Racing Upgrade Retrofit Kit includes everything you need to add the most current racing upgrades to an already-completed T37 RC Sailboat. This includes the newest tensioning technique and barney post. All of the racing upgrades are designed to fit in place easily in a standard T37. The Carbon Fiber Mast is an optional addition to the Retrofit Kit. The T37 Racing Upgrade kit includes a Carbon Fiber Mast rather than the wooden mast supplied in the standard kit, but the Retrofit can be installed with either mast. The benefit of the Carbon Fiber Mast is that it is stronger than the wooden mast and will not bend in strong winds like the wooden mast may.  Your standard T37 RC Sailboat should have an HS422 servo installed. In the Retrofit kit this is upgraded to the D645MW or the HS7955. The digital ultra torque servos are the same outside dimensions as the standard analog servos, but the digital servos carry a big punch. In conditions where it might be difficult to pull the sails in