Drive System

Question 1

Engine to upper sheave

Answer 1

Four double vee-belts with 0.778:1 speed reducing ratio

Question 2

Upper sheave to driveline

Answer 2

Sprag type overrunning clutch

Question 3

Drive line to main rotor

Answer 3

Spiral bevel gears with 11:57 speed reducing ratio

Question 4

Drive line to tail rotor

Answer 4

Spiral bevel gears with 31:27 speed increasing ration

Question 5

Power plant

Answer 5

Lycoming 0-540-F1B5

Question 6

Type

Answer 6

Six cylinder, horizontally opposed, direct drive, air cooled, carbureted, normally aspirated,

Question 7

displacement

Answer 7

541.5ci

Question 8

Normal rating

Answer 8

260BHP @ 2800RPM

Question 9

MCP

Answer 9

185 BHP @ 2718RIM

Question 10

5 Minute TO rating

Answer 10

210 BHP @ 2718 RPM

Question 11

Cooling System

Answer 11

Direct drive Squirrel cage blower

Question 12

Engine Max speed

Answer 12

2718 RPM @ 102%

Question 13

Cylinder Head max Temp

Answer 13

500

Question 14

Oil max temp

Answer 14

245

Question 15

Minimum oil pressure during idle

Answer 15

25

Question 16

Minimum during flight

Answer 16

55

Question 17

Maximum during flight

Answer 17

95

Question 18

Maximum during start & warm up

Answer 18

115

Question 19

Oil Quantity

Answer 19

7qts

Question 20

Main tank capacity

Answer 20

30.5/ 29.5 useable

Question 21

Aux

Answer 21

17.2/ 17.0 useable

Question 22

Combined

Answer 22

47.7/ 46.5 useable