When sawing any, but in particular plastic pipes (due to its “softness”) to withstand the cutting line is exactly perpendicular to the axis (or if necessary – on the contrary, under the right angle) will help the duct tape. Wound appropriately a ring from it will not allow the cutter to get off.
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To run a series motor without special work can the Modeler of any skill level; not the high-speed engines. Because of the wide valve timing they sometimes play up all the short time...
SIMULATED PANELING
The fabric covering of aircraft during the second world war, good to simulate on the models-copies in the following way. Not yet primed with white enamel model according to the drawing...