This simple device will help with the help of ordinary hand drills to cut holes of any diameter in the plywood, hardboard and particleboard.
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Looking through the model magazines for the last couple of years, you've probably noticed a sharp change in the appearance cord racing model aircraft. They have disappeared, it would...
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This is one of the most heavy and high-speed models. It belongs to the class "A-3" according to the Rules NAVIGA. The model consists of the following main components: hull, floats, motor...
