Chimpu

The most thrilling type of models comes in this category. The medium of the construction of such models is fiber glass as the model requires smoothest finish accompanied with strength in the construction. These kinds of models move very fast in water and usually made to emulate the racing. For the safe side it is advisable to make this kind of model with the help of commercial kits only. Try to implement your own designs if you are a very expert modeler.

After the construction, finishing and coloring the model is ready to run in the water. It is advisable to run in pond or lake and as possible keep the rudder of the model straight so that it can move in a straight line as the speed of the model in the water is very high and trying to run it in big circle may be dangerous.