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SketchUp for RC Aircraft Design Tutorial #7
SketchUp for RC Aircraft Design Tutorial #6
Engine test Stand for testing brushless motor/propeller combinations for thrust output. I use a wattmeter, KV meter and hanging gram scale to measure the output of different motors and propellors to see which is the most efficient for particular applications.
spreadsheet file can be found herehttp://rctestbench.com/engine/