How do I choose an RC plane propeller?

If choosing a three or four bladed propeller over a two bladed one, a very general rule of thumb is to decrease the prop diameter by an inch and increase the pitch by an inch. That said, fuselage and ground clearance issues might dictate which propeller size you can and can’t have on your plane.

How do I know what size prop for my RC plane?

Scale RC aircraft propellers are usually specified as diameter × pitch, given in inches. For example, a 5×3 propeller has a diameter of 5 inches, and a pitch of 3 inches. The pitch is the distance that the propeller would advance if turned through one revolution in a solid medium.

How do you size a propeller for an aircraft?

Propellers are classified by a set of two numbers. For example: 6 x 4, 8 x 3.8, or 10 x 5. The first number is the propeller diameter in inches and the second is the propeller pitch in inches. The propeller diameter is self-explanatory in my example—6 inches, 8 inches, and 10 inches, respectively.

How do I choose a motor and prop for my RC plane?

If you select a motor with a higher kv and a smaller propeller the speed of the thrust will be higher, and as a result your plane will fly faster. For your first plane I recommend a motor kv between 850kv and 1500kv. The next factor to considering a motor is size.

How do I choose a propeller size?

Propeller size is expressed with two numbers, diameter and pitch, with diameter always stated first. Diameter is two times the distance from the center of the hub to the tip of any blade. Smaller prop diameters generally go with smaller engines, or with fast high performing boats.

How do I choose a drone propeller?

Propellers with higher pitches move more air, but generally create more turbulence and less torque. Typically, a larger diameter propeller blade allows greater contact with the air. This relates directly to flight efficiency, as a small increase or decrease in diameter can change how efficiently a drone performs.

How much does prop diameter affect RPM?

A prop’s two dimensions each affect performance in different ways. For every inch of change in prop diameter the RPM varies by about 500 RPMs (up or down) and every inch of pitch changes the RPM by approximately 150 to 200 RPM.

Which motor is best for RC plane?

10 Best Brushless Motor Reviews

  • Traxxas Brushless Power System. CLICK HERE FOR PRICE.
  • Iflight Brushless Motor. CLICK HERE FOR PRICE.
  • Crazepony Brushless Motor. CLICK HERE FOR PRICE.
  • Betafpv Brushless Motors.
  • Hglrc Brushless Motor.
  • Tamiya Brushless RC Motor.
  • Honorall Brushless Motor.
  • Readytosky Brushless Motors.

How do I choose a BLDC motor for my RC plane?

This is Voltage x Amps. The higher the number, the more powerful it will be. You’ll also need to make sure to specifically check how many Amps that a motor pulls in order to find the right Electronic Speed Controller (ESC). Use an ESC that is at least 20% larger than this number.

What is the benefit of a small pitch propeller?

Just like driving a car in first or second gear. A low pitch propeller will respond quickly to inputs and use less power but will only be efficient at low speeds, fast direction changes are much easier and more responsive with a lower pitch propeller due to the increased low end torque.