IVOPROP Selection Guide

IVOPROP Ultralight Propeller For engines up to 100 hp 18"-52" or 35"-70" pitch range 48"-72" diameter	IVOPROP Medium Propeller Ideal for engines around 100 hp or high ratio gearboxes 30"-90" pitch range 52"-74" diameter	IVOPROP Magnum Propeller For engines up to 700 hp 30"- 90" or 45" to 105" pitch range 58"-76" diameter
IVOPROP Electric In-Flight Adjustable Ultralight Model For engines up to 100 hp 18"-52" or 35"-70" pitch range 48"-72" diameter	IVOPROP Electric In-Flight Adjustable Medium Model For engines in the area of 100 hp or high ratio gear boxes 30"- 90" pitch range 52"-74" diameter	IVOPROP Electric In-Flight Adjustable Magnum Model For engines up to 700 hp 30"- 90" or 45" to 105" pitch range 58"-76" diameter

Quick Ground Adjustable Ultralight Prop - how it works!

The IVOPROP operates on a COMPLETELY NEW AND UNIQUE adjustable pitch system that allows for substantially less hardware and rotating mass than any other ground pitch adjustable prop. The unique pitch adjustment design operates on the principle of twisting the blades through the chrome-moly alloy steel torsional rod cast inside the blade. The outer end of the torsional rod is firmly anchored inside the outer blade section. The round torsional rod is capable of rotating inside the blade, except for the outer end.

Adjust the pitch on the ground in a matter of seconds by turning the screw adjuster in the center of the prop. The super cams are installed on the end of the torsional rod. Each super cam fits into the groove in the screw adjuster. Turning the screw adjuster causes each cam to rotate and turn the torsional rod twisting the blade changing the prop pitch.

IVOPROP In-Flight Adjustable Ultralight Props

The ability to change the pitch in flight is as significant for the airplane pilot as for the driver of a car to shift gears in the transmission.

This results in substantial savings in fuel, engine wear and noise.

Pilot controls the pitch through the toggle switch mounted in the cockpit. Pressing the toggle switch one way sends electric current through the graphite brushes to the slip rings and finally to the electric motor.

Depressing the toggle switch the other way-reverses the polarity of the current and the rotation of the electric motor. The pitch change operation is similar to the power windows in an automobile. As long as you hold the switch in one direction the pitch changes in that direction and you observe the result on your RPM meter. Torque from the electric motor is multiplied in a planetary gear drive which turns the lead screw.

Lead screw is supported by a thrust bearing and converts it's rotary motion into axial movement of the spool. The spool is linked to the supercams which turn the torsional rods. Torsional rods transmit the movement from the center of the prop to the outside section of the blade. This causes the blade to twist therefore changing the pitch in the same manner as the ground adjustable system.

Movement of the spool can be restricted each way by inserting washers on the lead screw. This limits maximum and minimum pitch and prevents engine over-revving.

Mounts directly to any Rotax gear box, "B", "C" or "E" models. Can be adapted to other engines. Ground adjustable prop can be converted to the In flight Adjustable system by means of a retrofit kit. In-flight adjustable hub comes assembled with instructions on how to use it.