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Jan 8, 2019 This will provide a starting point from which other size props, either from the The model's size, weight, drag, wing loading; the type of engineUse the Top Flight propeller chart below when sizing RC airplane propellers for a glow engine.. From that range you can experiment until you find one that feels Many modelers ask the question-What size propeller should I use on my RC airplane? Well a good place to start is the RC prop chart from Top Flite Models. Confused about which propeller size to choose for your RC airplane? Here are some common recommendations and guidelines, and a handy prop size chart. Note that your ideal propeller diameter, pitch, and blade area should be chosen by trial and error depending on your particular engine type, model size, and Nov 3, 2010 The engines will not bog down with these props, they just won't quite develop all the power they could. Though to be fair we do overpower anyway. Prop sizes Figure 1-1is a picture of a typical model airplane propeller. tip length. For three-bladed propellers it is twice the length of a blade. . Using this chart and the equations for J and Ct the thrust can be estimated for a given set of conditions. For. Model Flight contains a useful chart on selecting the right prop or propellor for a particular model airplane Alternate Propellors, Starting Prop, Engine Size. RC Airplane/Propellers. Scale RC aircraft propellers are usually specified as diameter ? pitch, given in inches. For example, a 5x3 propeller has a diameter of 5 inches, and a pitch of 3 inches.