pt6a-27 vs -34 overview (pwc)
TRANSCRIPT
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P&WC
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AGENDA
Review
PT6A-27 Vs PT6A-34
Rating differences
Internal differences
Fuel System difference (Twin Otter Series 300 vs 400)
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PT6A-27 Vs PT6A-34OVERVIEW
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PT6A cross section
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PT6A-27 Vs -34 operating limits
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PT6A-27 no air cooled type guide vane
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PT6A-27 no air cooled type guide vane
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PT6A-34 air cooled type guide vane
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PT6A-34 air cooled type guide vane
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PT6A-27 vs -34 Power turbine differences
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PT6A-27 Vs -34 Fuel SystemTwin Otter Series 300 Vs 400
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PT6-27 & -34 fuel system with start flow controlTwin Otter 300 Series
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PT6-27 & -34 fuel system with start flow controlTwin Otter 300 Series
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PT6-27 & -34 fuel system with start flow controlTwin Otter 300 Series
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PT6-34 fuel system with flow dividerTwin Otter 400 Series
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PT6-34 fuel system with flow dividerTwin Otter 400 Series
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PT6-34 fuel system with flow dividerTwin Otter 400 Series
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PT6-34 fuel system conversion fromTwin Otter 300 Series to 400 Series
Fuel System must be converted from a ‘Start Flow Control” to “Flow divider”configuration when switching a PT6A-34 from an old Twin Otter Series 300to the New Twin Otter Series 400
P&WC do not have a Service Bulletin or kit to covert such conversion.
A list of affected components can be sent to customer and conversion canbe made using engine IPC.
