Ivoprop Corporation, founded in 1984 by Ivo Zdarsky, is an American manufacturer of composite

propellers A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon ...

for

homebuilt Homebuilt machines are machines built outside of specialised workshops or factories. This can include different things such as kit cars or homebuilt computers, but normally it pertains to homebuilt aircraft, also known as amateur-built aircraft ...

and

ultralight aircraft Ultralight aviation (called microlight aviation in some countries) is the flying of lightweight, 1- or 2-seat fixed-wing aircraft. Some countries differentiate between weight-shift control and conventional three-axis control aircraft with aile ...

, as well as

airboat An airboat (also known as a planeboat, swamp boat, bayou boat, or fanboat) is a flat-bottomed watercraft propelled by an aircraft-type propeller and powered by either an aircraft or automotive engine. In early aviation history the term ''airboat ...

s. The company's headquarters are in

Long Beach, California Long Beach is a city in Los Angeles County, California. It is the 42nd-most populous city in the United States, with a population of 466,742 as of 2020. A charter city, Long Beach is the seventh-most populous city in California. Incorporate ...

.Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook'', page 84. BAI Communications. Zdarsky started the company after carving his own propeller for a homebuilt

ultralight trike An ultralight trike is a type of powered hang glider where flight control is by weight-shift control, weight-shift. These light-sport aircraft, aircraft have a fabric Rogallo wing, flex-wing from which is suspended a tricycle fuselage pod driven ...

that he flew from Cold War

Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...

, over the Iron Curtain to

Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...

in 1984. Ivoprop has sold more than 20,000 propellers since then. The company's propellers are built from

carbon-fiber-reinforced polymer Carbon fiber-reinforced polymers (American English), carbon-fibre-reinforced polymers (Commonwealth English), carbon-fiber-reinforced plastics, carbon-fiber reinforced-thermoplastic (CFRP, CRP, CFRTP), also known as carbon fiber, carbon compo ...

and feature a stainless steel

leading edge The leading edge of an airfoil surface such as a wing is its foremost edge and is therefore the part which first meets the oncoming air.Crane, Dale: ''Dictionary of Aeronautical Terms, third edition'', page 305. Aviation Supplies & Academics, ...

Ivoprop variable-pitch propeller

Ivoprop produce both in-flight adjustable and ground-adjustable

propeller A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon ...

s of unusual design. Whereas conventional variable-pitch propellers rotate at the blade root, the Ivoprop design has its blade fixed. The blade is hollow, containing a steel torsion rod fixed to the blade tip. By mechanically turning the rod within the hub, a twist is achieved which adjusts the blade's angle of attack.Ivoprop
Ivoprop Quick Ground Adjustable Medium Propeller
retrieved 26 February 2012

References

External links

*{{Official website, http://www.ivoprop.com/ Aircraft propeller manufacturers Aerospace companies of the United States Bellflower, California Companies based in Los Angeles County, California Manufacturing companies based in California 1984 establishments in California Companies established in 1984

Ivoprop variable-pitch propeller

See also

References

External links