Boeing Model 360
Boeing Model 360 Role Experimental Helicopter National origin United States Manufacturer Boeing Helicopters First flight June 10, 1987 Status Retired Primary user Boeing Helicopters Produced 1987 Number built 1
The Boeing Model 360 was an American experimental medium-lift tandem rotor cargo helicopter developed privately by Boeing to demonstrate advanced helicopter technology. The aircraft was intended as a technology demonstrator, with no plans to put the type into production, and many of its design features where carried onto other programs including the RAH-66 Comanche and V-22 Osprey. The sole prototype now resides at the American Helicopter Museum in West Chester, Pennsylvania.
Design and development
Boeing Vertol developed its Model 360 in the 1980s as a technology demonstrator with company funds. It was a new design and made significant use of composites.
The Boeing Model 360 differed from its brethren CH-46 and CH-47 tandem rotor helicopters by incorporating extensive amounts of composite materials in structural and dynamic components. Namely in advanced rotor heads composed of fiberglass and graphite composites along with graphite fuselage frames and longerons. The exterior of the craft integrated a Nomex core surfaced by a Kevlar woven mesh with graphite strengthened edges. The two tandem four-bladed contra rotating rotors are each driven by a Avco Lycoming AL5512 turboshaft engines mounted on either side of the rear fuselage. In another departure from its military brethren, the Model 360 has no external sponsons containing the landing gear or fuel, the tricycle landing gear instead retracting into the main fuselage. Fuel was contained in three crashworthy cells below the cabin floor.
- Crew: : 2 pilots,
- Length: 15.5m (51 ft) (fuselage) ()
- Rotor diameter: ()
- Height: ()
- Max takeoff weight: 30,500 lb (13,835 kg)
- Powerplant: 2 × Avco Lycoming AL5512 turboshaft, 4,200 shp () each
- Maximum speed: 230 mph (370 km/h)
- Related development
- Boeing 360 on Janes Aircraft
- Boeing 360 on Aviastar.org
- Ground Shake Test of the Boeing Model 360 Helicopter Airframe, NASA, March 1989, Retrieved Dec 12, 2008
- N360BV Prototype on Airliners.net
Boeing Vertol/Boeing Helicopters/Boeing Rotorcraft Transport rotorcraft Attack/reconnaissance helicopters Lists relating to aviation General Military Accidents/incidents Records
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