Active (fan) heat sink for WLToys L959 / L969
Photos of a heatsink with fan on an L969. L959 buggy should be similar. The heatsink is available from Banggood here . I'm not going to say it makes a difference since I have not tested it. However, the heatsinks alone seem to do a poor job because none of them fit the motor tightly enough and they tend to move / get loose. As the motors get damn hot, and as I've already been sidelined once due to a burned-out motor, I think the fan is probably a good idea to stretch motor life. Note the stock motor cover may not fit with this heat sink in place. (I don't think the cover does anything anyway.) I could not find an appropriate tee / Y-adapter that had the correct plugs to connect the JST-plug fan to the T-plug battery of the L969. You can easily make one by splicing some T connector harnesses and JST connector harnesses together. I had bought a bunch of charging adapter cables and so had all the parts lying around anyway. With this ...