Engine Limitations Flashcards

1
Q

Min batt voltage for engine start

A

24V

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2
Q

Max transient TRQ

A

115% (10 secs)

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3
Q

Max takeoff TRQ

A

111% (5 mins at takeoff)

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4
Q

Max continuous TRQ

A

92%

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5
Q

Max engine start TOT

A

927°C (10 secs over 810°)

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6
Q

Max transient TOT

A

899°C (6 secs over 810°C)

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7
Q

Max take off TOT

A

810°C (5 min at T/O)

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8
Q

Max continuous TOT

A

752°C

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9
Q

Max continuous N2

A

2130

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10
Q

Max static ground ops with crosswind >10 kts (N2)

A

1850

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11
Q

Max transient N1

A

106% (max 15 seconds >105%)

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12
Q

Max continuous N1

A

105%

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13
Q

Max transient oil pressure (cold weather / engine start)

A

150psi

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14
Q

Max oil pressure

A

130 psi

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15
Q

Min oil pressure at N1 >94%

A

120 psi (decreases linearly by 2 psi for every 1000ft above 5000ft pressure altitude to a max reduction of 20 psi)

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16
Q

Min oil pressure at N1 85-94%

A

90 psi

17
Q

Min oil pressure at N1 <85%

A

50 psi

18
Q

Beta range, min psi for:

N1 >94%
N1 85-94%
N1 <85%

A

Normal min oil pressure minus 15 psi, i.e:

N1 >94% = 105 psi
N1 85-94% = 75 psi
N1 <85% = 35 psi