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Bell 407 > Number to Memorize > Flashcards

Number to Memorize Flashcards

1
Q

Height

high skid gear

A

10.91 feet

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2
Q

Length

A

41.4 feet

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3
Q

Baggage Max Weight

A

250 lbs

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4
Q

Baggage Max Volume

A

16 cubic feet

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5
Q

Number of Skid Shoes

A

7/Skid

14 Total

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6
Q

Engine Type

A

RR 250 C47B

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7
Q

Engine Horsepower

Thermodynamic Rating

A

813 SHP

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8
Q

Engine Takeoff Horsepower Rating

and Q

A

674 SHP @ 93.5-100% Q

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9
Q

Engine Continuous Horesepower Rating

and Q

A

630 SHP

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10
Q

RR Rating on Engine Plate

A

650 SHP

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11
Q

Compressor RPM

A

51,000 RPM @ 100% Q

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12
Q

Compression Ratio

A

9.2:1

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13
Q

Compressor Temperature Increase

A

291C/555F

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14
Q

Combustion Air Use

A

75-80% for cooling of internal parts
20-25% for fuel burn
~2% for sealing oil passages

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15
Q

Ng Speed

A

51,000 RPM @ 100% Ng

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16
Q

Np Speed

A

32,183 RPM @ 100% Np

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17
Q

Torquemeter Gear Speed

A

10,528 RPM @ 100% Np

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18
Q

Output Drive Gear Speed

A

6,317 RPM @ 100% Np

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19
Q

Transmission Speed Ratio

A

15.29:1 Reducing

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20
Q

Main Rotor RPM

A

413 RPM @ 100% Np

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21
Q

Tail Rotor Gearbox Ratio

A

2.53:1 Reducing

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22
Q

Tail Rotor RPM

A

~2,497 RPM @ 100% Np

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23
Q

Engine Anti-Ice/Pitot Heat - ON

OAT

A

Less than 5C/40F ambient air temperature and in visible moisture

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24
Q

CEFA Fuel Filter LRB pop

A

2.5 +/- 0.5 PSID

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25
Q

CEFA Fuel Filter bypas

A

3.4 PSID

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26
Q

CEFA Engine Oil Bypass

A

8.8-10.8 PSID

LRB shows indication of bypass

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27
Q

Engine Oil Tank Capacity

A

6 quarts

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28
Q

Minimum Engine Oil Pressure

Cruise

A

115 PSI

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29
Q

Maximum Engine Oil Pressure

Cruise

A

130 PSI

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30
Q

Maximum Engine Oil Pressure

Cold Start

A

200 PSI

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31
Q

Maximum Engine Oil Temp

Cruise

A

107C

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32
Q

Fuel System Capacity
Total/usable gallons
Total Pounds

A

130 total/ 127.8 usable gallons

869 lbs total

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33
Q

Fuel Forward Cell Capacity

gallons/pounds

A

37.6 gal

256 lbs

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34
Q

Main Fuel Cell Capacity

gallons/pounds

A

90.2 gal

626 lbs

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35
Q

Full Fuel Capacity

pounds

A

869 lbs

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36
Q

Fuel in pounds at which transfer from forward to main fuel cell begins and CG is moving forward.

A

770 lbs

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37
Q

Fuel in pounds at which both cells are drained equally and CG is at its max forward point.

A

508.6 lbs

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38
Q

Fuel in pounds at which only the forward cell is being drained and CG is moving aft.

A

344.1 lbs

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39
Q

Fuel in pounds at which the forward cell empties and CG is at is max aft point.

A

193.1 lbs

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40
Q

LOW FUEL CAS

A

100 +/- 10 lbs

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41
Q

FADEC Hot Start Abort

A
  1. MGT > 885C <10,000 feet
  2. MGT > 912C >10,000 feet
  3. Volt drops <10vDC
42
Q

Max Start MGT

A

10 seconds > 843C

1 second > 927C

43
Q

Transmission Oil Capacity

A

5 quarts

44
Q

Transmission Oil Pump Volume

A

6-6.7 gal/min

45
Q

Temperatures at which transmission oil is NOT sent to the cooler

A

Less than 66C

46
Q

Temperatures at which transmission oil is gradually sent to the cooler

A

66-81C

47
Q

Temperatures at which ALL transmission oil is sent to the cooler

A

Greater than 81C

48
Q

At what pressure differential does the transmission oil filter LRB pop?

A

14 +/- 2 PSID

49
Q

At what pressure differential does the transmission oil filter bypass?

A

17 PSID

50
Q

Maximum Transmission Oil Temp

A

110C

51
Q

Minimum Transmission Oil Temp

A

30C @ Idle

40c @ Continuous speeds

52
Q

Number of MR Blades

A

4

53
Q

Diameter of MR

A

35 feet

54
Q

MR Blade Chord

A

10.75 inches

55
Q

MR Blade Twist

A

-13 degrees

56
Q

Weight of a single MR Blade

A

~58 lbs

57
Q

MR Rigging

A

1 degree left - translating tendency

5 degrees forward - level ship in forward flight

58
Q

Max MR Tie Down Load

A

60 lbs

59
Q

Max MR Tie Down Deflection

A

50 inches

60
Q

Minimum wind velocity required for MR tiedown

A

30 knots

61
Q

Number of TR Blades

A

2

62
Q

Diameter of TR

A

65 inches or 5.42 feet

63
Q

TR Blade Chord

A

6.4 inches

64
Q

TR Blade Twist

A

0 inches

65
Q

TR Gearbox Oil Capacity

A

.33 quarts

66
Q

TR Gearbox Attachment

A

4 studs and 2 alignment pins

67
Q

Tailboom Attachment

A

4 bolts

68
Q

Number of Hanger Bearings

A

6

69
Q

Number of Thomas Couplings

A

8

70
Q

Number of Plates in each Thomas Coupling

A

9-12

71
Q

Max force on Stinger

A

400 lbs

72
Q

Auxiliary Fin Offset

A

5 degrees outward

73
Q

Vertical Stabilizer Offset

A

9 degrees outward

74
Q

Number of Hydraulic Servo Actuators

A

4

75
Q

Hydraulic System Pressure

A

1000 +/- 25 PSI

76
Q

Hydraulic Reservoir Capacity

A

1.3 US Pints

77
Q

Total Hydraulic System Capacity

A

1.68 US Quarts

78
Q

At what differential pressure do the hydraulic pump LRBs pop?

A

70 +/- 10 PSID

79
Q

At what temperatures will the hydraulic pumps LRBs NOT work?

A

Less than 2C

80
Q

At what pressures will the hydraulic relief valve open?

A

1075-1375 PSI

81
Q

MR Brake limit

A

Below 40% Nr

82
Q

Vertical Speed Limit

A

2000 fpm

83
Q

Max number of CAS displayed in the Crew Alert Window?

A

12

84
Q

Max weight

A

5250 lbs

85
Q

Minimum weight at fuselage station 65.0 (pilot/copilot)

A

170 lbs

86
Q

Vne in 5 min range of 93.5-100% torque?

A

100 knots

87
Q

Vne with doors removed

A

100 knots

88
Q

Max allowable airspeed for sideward/rearward flight or crosswind hover

A

35 KTAS

89
Q

Max operating altitude

A

20,000 feet Hd or Hp, whichever is lower

90
Q

Slope landing limitations

A

10 degrees side slopes
10 degrees nose up slopes
5 degrees nose down slopes

91
Q

Max sea level ambient temp for operation

A

51.7C/125F

Decreasing 2C/1000ft Hp

92
Q

Minimum ambient temp for operation at all altitudes

A

-40C/-40F

93
Q

% Np for Engine Overspeed

A
  1. 1% for 2.5 seconds

107. 3% Immediately

94
Q

MGT start limits

A

843C for 10 seconds

927C for 1 second

95
Q

Max continuous MGT

Max takeoff MGT

A

727C

779C

96
Q

Engine torque ranges

A

Continuous 0-93.5%

Takeoff, 5min 93.5-100%

97
Q

Fuel pressure ranges

A

Min 8PSI
Continuous 8-25PSI
Max 25 PSI

98
Q

Nr power off limits

A

85-107%

99
Q

Best rate of climb airspeed

A

60 knots

100
Q

What supplement number do we use in the POH?

A

FMS 28

Bell 407 (19 decks)

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