1. General

Question 1

Overall Length

Answer 1

12.94 metres

Question 2

Main Rotor Diameter

Answer 2

10.69 metres

Question 3

Engine Model?

Answer 3

ARRIEL 1B
Free turbine turboshaft

Question 4

Design Characteristics of the Engine?

Answer 4

1 single stage axial compressor.
1 centrifugal compressor.
An annual combustion chamber with fuel injection and ignition.
1 two stage axial turbine (driving compressors).
1 single stage free power turbine.
A hydraulic governor using fuel as the motive fluid.

Question 5

Transmission Components Driving Main + Tail Rotors

Answer 5

Engine to MGB coupling shaft with hydraulic pump drive pulley.
Main gearbox.
Two piece tail drive shaft.
Tail gearbox

Question 6

Main Rotor RPM?

Answer 6

394 rpm

Question 7

Rotating speed of engine to MGB coupling and Tail Rotors drive shaft?

Answer 7

6125 rpm

Question 8

Rotating speed of tail rotor in flight

Answer 8

2086 rpm

Question 9

Fuel Tank Capacity

Answer 9

540 litres

Question 10

Usable Fuel after Low Fuel Light Comes On

Answer 10

60 litres

Question 11

Unusable fuel

Answer 11

1.25 litres

Question 12

MGB Lubrication Capacity

Answer 12

6.5 litres

Question 13

TGB Lubrication Capacity

Answer 13

0.33 litres

Question 14

Engine Lubrication Capacity

Answer 14

6.2 litres

Question 15

Hydraulic System Fluid Capacity

Answer 15

3 litre

Question 16

Fuel Burn p/h

Answer 16

170 litres p/h

Question 17

Fuel Endurance

Answer 17

3.1 hours