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Nagler NH 160

nagler_nh-160


This version incorporates the lessons learnt from the NH 120, and while the general principle remains the same, i.e. the main rotor in the same alignment as the anti-torque rotor, their positions have been changed.

The two-bladed main rotor remains in its usual position, but the anti-torque rotor with three articulated blades is on the helicopter's underside between the two skis acting as landing gear, and 1.83m away from the main rotor. The latter has cyclic and collective control and is mounted on an oscillating hub. In horizontal flight it turns at 400 r.p.m. and the lower rotor at 1.500 rpm, the latter consuming 55hp, the former 15hp of the engine's total power.

Nagler has designed an unusual steering system: two disc brakes of the kind used in motor vehicles, one acting on the main rotor, the other on the shaft of the engine to which the anti-torque rotor is fixed. These brakes are pedal operated.

A fixed vertical surface at the end of the rudimentary fuselage ensures directional stability. The production model is planned to have an enclosed cockpit and fuselage.

Nagler's Model NH-160 single-seat helicopter first flew in 1955.

NH 160
Crew: 1
Engine: McCulloch 4 318, 70hp
Upper rotor diameter: 6.1m
Lower rotor diameter: 2.13m
Length: 3.66m
Weight empty: 190kg
Weight fully loaded: 399kg
Cruising speed: 192km/h

 

 


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