PT6A-27 vs -34 Overview (PWC)
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Transcript of PT6A-27 vs -34 Overview (PWC)
![Page 1: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/1.jpg)
P&WC Proprietary Information
P&WC
P&WC Proprietary Information
![Page 2: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/2.jpg)
P&WC Proprietary Information
AGENDA
Review
PT6A-27 Vs PT6A-34
Rating differences
Internal differences
Fuel System difference (Twin Otter Series 300 vs 400)
![Page 3: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/3.jpg)
P&WC Proprietary Information
PT6A-27 Vs PT6A-34OVERVIEW
![Page 4: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/4.jpg)
P&WC Proprietary Information
PT6A cross section
![Page 5: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/5.jpg)
P&WC Proprietary Information
PT6A-27 Vs -34 operating limits
![Page 6: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/6.jpg)
P&WC Proprietary Information
PT6A-27 no air cooled type guide vane
![Page 7: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/7.jpg)
P&WC Proprietary Information
PT6A-27 no air cooled type guide vane
![Page 8: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/8.jpg)
P&WC Proprietary Information
PT6A-34 air cooled type guide vane
![Page 9: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/9.jpg)
P&WC Proprietary Information
PT6A-34 air cooled type guide vane
![Page 10: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/10.jpg)
P&WC Proprietary Information
PT6A-27 vs -34 Power turbine differences
![Page 11: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/11.jpg)
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PT6A-27 Vs -34 Fuel SystemTwin Otter Series 300 Vs 400
![Page 12: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/12.jpg)
P&WC Proprietary Information
PT6-27 & -34 fuel system with start flow controlTwin Otter 300 Series
![Page 13: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/13.jpg)
P&WC Proprietary Information
PT6-27 & -34 fuel system with start flow controlTwin Otter 300 Series
![Page 14: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/14.jpg)
P&WC Proprietary Information
PT6-27 & -34 fuel system with start flow controlTwin Otter 300 Series
![Page 15: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/15.jpg)
P&WC Proprietary Information
PT6-34 fuel system with flow dividerTwin Otter 400 Series
![Page 16: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/16.jpg)
P&WC Proprietary Information
PT6-34 fuel system with flow dividerTwin Otter 400 Series
![Page 17: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/17.jpg)
P&WC Proprietary Information
PT6-34 fuel system with flow dividerTwin Otter 400 Series
![Page 18: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/18.jpg)
P&WC Proprietary Information
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.
![Page 19: PT6A-27 vs -34 Overview (PWC)](https://reader031.fdocuments.us/reader031/viewer/2022012321/547efa74b4af9fef158b57ee/html5/thumbnails/19.jpg)