Drive System Flashcards
1
Q
Engine to upper sheave
A
Four double vee-belts with 0.778:1 speed reducing ratio
2
Q
Upper sheave to driveline
A
Sprag type overrunning clutch
3
Q
Drive line to main rotor
A
Spiral bevel gears with 11:57 speed reducing ratio
4
Q
Drive line to tail rotor
A
Spiral bevel gears with 31:27 speed increasing ration
5
Q
Power plant
A
Lycoming 0-540-F1B5
6
Q
Type
A
Six cylinder, horizontally opposed, direct drive, air cooled, carbureted, normally aspirated,
7
Q
displacement
A
541.5ci
8
Q
Normal rating
A
260BHP @ 2800RPM
9
Q
MCP
A
185 BHP @ 2718RIM
10
Q
5 Minute TO rating
A
210 BHP @ 2718 RPM
11
Q
Cooling System
A
Direct drive Squirrel cage blower
12
Q
Engine Max speed
A
2718 RPM @ 102%
13
Q
Cylinder Head max Temp
A
500
14
Q
Oil max temp
A
245
15
Q
Minimum oil pressure during idle
A
25
