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The following chart has been provided by the fine people at Top Flite. Top Flite has been supplying the R/C industry with quality aircraft kits, propellers, covering material, and covering accessories for many years.

Prop Chart

How to use this Chart

  1. Find your engine along the bottom axis.
  2. Follow the line up to where it intersects with the shaded area
  3. Follow each point within the shaded area to its corresponding prop size on the left axis. This will be your appropriate size range.

Note: Four Stroke engines are typically higher torque engines and should use the larger props indicated in the range.

Recommended prop ranges will vary depending on your particular engine and airplane. This chart represents average prop usage and should be used only as a general guideline. Always refer to the manufacturer's instructions included with your engine.