quick adjust ivoprop ultralight electric in flight ivoprop medium quick adjust ivoprop medium electric in flight ivoprop magnum quick adjust ivoprop magnum electric in flight ivoprop magnum airboat paddle propeller service bulletins service bulletin 1 the ivo story how it all started printable propeller prices products available ultralight models ivoprop ultralight propeller quick adjust 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 . click here for more information products available ultralight models ivoprop ultralight propeller electric in flight 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 . click here for more information products available medium models ivoprop medium propeller quick adjust adjust the pitch on the ground in a matter of seconds by turning the screw adjustor in the center of the prop . ideal for engines around 100 hp or high ratio gearboxes 30 90 pitch range diameter . click here for more information products available medium models ivoprop medium propeller electric in flight mounts directly to any rotax gear box b c models or lycoming . 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 . click here for more information products available magnum models ivoprop propeller magnum quick adjust 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 . click here for more information products available magnum models ivoprop propeller magnum electric in flight 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 . click here for more information products available paddle magnum airboats models ivoprop magnum airboat paddle propeller for engines up to 700 hp 30 90 or 45 to 105 pitch range 58 84 diameter click here for more information ivoprop corp 2615 east 67th st. unit e long beach ca 90805 562 602 1451 ivoprop pacbell.net 1 800 for prop constant speed electronic governor