The flashcards below were created by user
captjen83
on FreezingBlue Flashcards.
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The Engine Start Valve Closes when
N2 reaches 39%
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B717 Engine Type
Rolls Royce BR 715-A1 High-Bypass Turbo Fan
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B717 Engine Thrust Rating
18,500 Pounds
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Ignition Switch "AUTO"
- One of 2 ignition units energized
- Auto Start and Auto Abort functions operational during start
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Ignition Switch "ON"
- Both ignition units are energized during start
- Auto Start and Auto Abort function disabled
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In Flight, Both Igniter Units are Energized if
- The Engine Flames Out or
- Water is detected in the N2 Compressor
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Engine Start is Automatically Aborted if
- Fuel On conditions are NOT satisfied
- Hung Start - 12% N1, N2 Stagnates, TGT Rises
- Starter Cutout Speed NOT reached in 3 Minutes
- Hot Start
- Loss of Valid N2 Signal
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Maximum Tailwind for Engine Start
- 30 Knots
- In Tailwind Conditions Greater than 10 Knots, N1 rotation may be reversed
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Discontinue Start if TGT does NOT rise within
10 Seconds after Fuel Flow Indication
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Minimum Starter Air Pressure for Engine Start
32 PSIG
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Maximum Starter Air Pressure for Engine Start
43 PSIG
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During Engine Start, N1 Indication Occurs at Approximately
26% N2
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