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Kinney Hot Rod Helicopter / HRH

kinneyhrh


This helicopter was designed, completed, and flown in one year, one month, one week and one day.


It’s named the Kinney HRH (Hot Rod Helicopter) because  of the lack of doors and hood and an air cleaner from a dual quad setup. The helicopter is small enough to fit in a home garage, and the counter-clockwise rotation of the Waitman blades is the same as standard America helicopters.


The HRH uses a 165 hp 4-cycle, 4 cylinder Subaru. It employs a computer-controlled fuel-air mixture, redundant fuel pumps, and multi-port fuel injection. It uses regular gasoline. The rotor head provides full cyclic and collective pitch, with an electronic system for maintaining rotor speed. The main blades are constructed of composite materials and the tail rotor is shaft driven.


The fully enclosed composite cabin features a fully equipped panel with both digital and analog instrumentation; a vinyl-covered seat with a "crumple-zone" support; a 4-point aircraft seat belt; and a tinted polycarbonate windshield. Addition of doors and a catalytic heater provide year-round comfort.


The powder-coated airframe is formed of aircraft-grade 4130 chromemoly steel, the primary structure both welded and bolted together with aircraft hardware. Most of the aluminum parts are black anodized.

Engine: Subaru EJ-25, 165 hp
Cruise speed: 80-90 mph       
Empty weight: 1000 lbs      
Useful load: 350 lbs
Gross weight: 1,350 lbs       
Main rotor diameter:  25 ft
Main rotor chord: 8 in
Tail rotor diameter: 46 in
Length: 20 ft
Height: 7.25 ft
Width: 5.55 ft (175 cm)
Fuel capacity: 18.5 USgal.
Main rotor RPM: 520
Tail rotor RPM: 2,900
Endurance: 2 hours
Top speed: 103 mph
VNE: 115 mph
Blade: Waitman composite
Tail rotor chord: 4.5 in

 

 


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