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Confused about which propeller size to choose for your RC plane? Here are some recommendations and guidelines, and a handy prop size chart.
9 sty 2009 · As most F5D models fly with loads of ballast to reach 1 Kg it would make more sense to put in a bigger lower RPM (KV) motor. That way it is possible to swing a bigger prop at lower RPM. For example going from 30+ Krpm to 20Krpm. So the trade off between prop efficiency and motor efficiency is a crucial point here.
12 wrz 2013 · Getting too large will over heat the motor and may make it difficult to get sufficient pitch speed. Does not look like an issue with your numbers. BUT - in my experience there should be a big difference in an 11x8 and a 13x7 prop, around the area of 25% more amps drawn by the larger.
25 lis 2014 · Because larger props spin slower, all else being equal, larger props result in a lower pitch speed. This means that you can make a plane fly faster (but with less thrust) by putting a smaller, prop of equal or higher pitch on it.
4 kwi 2005 · Larger diameter props, generally are more quiet, so, to limit noise, seek out the best diameter and pitch for performance leaning toward the larger diameter for a more quiet operation. Then govern your pitch according to your needs for speed vs. vertical performance.
4 maj 2020 · The main reason specified for the efficiency is that for a given amount of thrust, a larger propeller (on a motor with an appropriate KV) will draw less current than a smaller propeller on a higher KV motor, so there is less sag.
17 kwi 2023 · Higher pitch propellers make the plane go faster but may draw more current from your battery, causing shorter flight times. Lower pitch propellers produce less speed, but are more efficient and use less energy from the battery. A pitch range of 4-6 inches is typical for most RC planes.
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