Constant-speed propellers increase angle when the airplane dives and decrease angle when it climbs. At the same time, more torque is required to spin the prop, and the engine slows down. While these systems are still in use, most light aircraft constant-speed propellers installed on single-engine airplanes are controlled by prop governor oil pressure. The opposite is true when the blade angle is decreased: the torque required is decreased, and the engine speeds up. Hydraulically controlled constant speed propellers. Hartzell also offers 3-blade conversions for most constant speed equipped Piper singles and light twins. The electric variable pitch propellers named ELCOPROP® are certified as 2-, 3- and 4-blade propeller models for engines producing up to 350 hp.. Feathering capability can be integrated optionally, reverse … We have over 400 different blade designs available which can be configured in hubs with 2- through 6-blades to provide optimal performance for the aircraft designer modifier. A sister company to WhirlWind Propellers, Whirl Wind Aviation is based in Austinburg, Ohio, where it manufactures composite constant-speed propellers for Experimental aircraft. An Airmaster propeller will maximise your aircrafts performance and safety, in every phase of flight. Hydraulic Propellers. As the blade angle is increased, it produces more lift (thrust). All Hartzell propellers are constant-speed and are available with optional de-ice systems. Monthly payments illustrated above are based on terms available to the highest qualified candidates, and are subject to additio A fixed pitch composite propeller may have no metal in it … The composite material is on top of a core that is either hollow (rare) or made of foam or wood. Electrically controlled constant speed propeller. ... Airmaster uses only the most advanced fully composite blade designs to provide fast, effective and quiet propulsion. As such, the governor tries to keep the RPM constant. At just 36 lbs, the new 300-72RV Series™ propeller is the lightest weight constant speed propeller in its class. *All aircraft loans are subject to credit approval. Constant speed propellers work by varying the pitch of the propeller blades. Most impressive is that it's a 3-blade propeller that is 5 pounds lighter than Whirl Wind’s 2-blade 200RV Series propeller due to the 300 Series' optimized and compact design. The hydraulically in flight variable propellers are produced in 2 and 3 blades configuration, useful for engines with power up-to 115 HP. The base or ferrule of a constant speed prop is usually aluminum or steel and fits into a hub that may be identical to that of a prop with aluminum blades. These changes are due to the flight’s changing load. The MT-Propeller construction has a simple and light-weight design without any unnecessary parts. The hydraulic constant speed MT-Propeller installations are certified as 2-blade to 7-blade models for engines producing up to 5000 hp, which have an hydraulic oil supply to the propeller, controlled by a governor. The propeller’s governor is the mechanism that allows a constant-speed propeller … Hartzell’s Top Prop program builds on this symbiotic relationship by offering the same proven structural composite propeller as an after-market upgrade for earlier Mirage aircraft. The single-piece propeller hub is made of forged high quality aluminum alloy. It is corrosion protected. Hartzell has been the leader in aircraft propeller systems for over 90 years.