Free Energy Aircraft Shape Solar Motor Solar Toy RC Car_FS Racing First up is the B2103

First up is the B2103 Type S engine

Suitable for inline four stroke cylinder water cooled gasoline engine model

which is stable in structure and has a certain degree of torsion resistance

full alloy crawler

Free Energy Aircraft Shape Solar Motor Solar Toy RC Car_FS Racing First up is the B2103Free Energy Aircraft Shape Solar Motor Solar ToyFeatures:. Bidirectional gravity balance solar energy airplane model with solar energy driving device. To design a balance point, complete the support rocker arm and balance bar, add the gravity ball and find the fulcrum, the model can be put on the base to run. The model is pushed by the wind power produced by the propeller and the direction of whirl is depended on the head of the airplane. . Product