Helix Angle Calculator

Helix Angle Equation

$$ tan(\phi) = \frac{v_0}{\omega r} $$ where:

φ = Helix Angle (degrees)

v₀ = Freestream velocity (m/s)

ω = Angular velocity (rad/s)

r = Radial distance from the hub (m)

Calculator

Property to Calculate:

Helix Angle (φ):

Freestream velocity (v₀):

Angular velocity (ω):

Radial distance from the hub(r):

Equation Assumptions

The system is in steady state.
Fluid is incompressible.
The propeller is ideal.
The velocity distribution is unifrom.
Propeller flexibility is ignored.