A note on PT6 reverse flow engines
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Enjoying watching YouTube live stream videos.
Often discussion about reverse flow on Starship pusher design shows up.Reverse flow has nothing to do with pusher design. This a common design for both turboshaft powered helicopter and turboprop planes. Reverse flow into combustion chamber makes the engine shorter, saving weight, and shaft is shorter with fewer bearings. Google PW100 series and PT6 for diagrams. Lycoming T53 diagram is best example of how much more compact this design is.
Nick`s wonderful tablet view of a working pt6 is from Duke, and may confuse. Maybe , when time permits. he will flip exhaust around, facing propeller. Hope it will make more sense, and you see how exhaust heats propeller blades, no need for anti ice system, and blades cuts through exhaust, creating the distinct noise.
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Enjoying watching YouTube live stream videos.
Often discussion about reverse flow on Starship pusher design shows up.Reverse flow has nothing to do with pusher design. This a common design for both turboshaft powered helicopter and turboprop planes. Reverse flow into combustion chamber makes the engine shorter, saving weight, and shaft is shorter with fewer bearings. Google PW100 series and PT6 for diagrams. Lycoming T53 diagram is best example of how much more compact this design is.
Nick`s wonderful tablet view of a working pt6 is from Duke, and may confuse. Maybe , when time permits. he will flip exhaust around, facing propeller. Hope it will make more sense, and you see how exhaust heats propeller blades, no need for anti ice system, and blades cuts through exhaust, creating the distinct noise.
I have seen this misconception in at least one Starship video too, so thanks for posting here for my most curious users.
@eker said in A note on PT6 reverse flow engines:
Maybe , when time permits. he will flip exhaust around, facing propeller
Done
I think I was so preoccupied by trying to flip the induction system around that I completely forgot about the much easier exhaust system.
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What also would be nice, but that's something for the actual end of the list, is some element that's not asymmetric for left and right engine. Even if it's just a letter. Then you would see something changed when changing page from left to right. When I pressed it first, i thought the button does not work. Maybe even make some space between the end of the list and this Item for some good vacation.
Great aircraft as it is.
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Good suggestion. I will follow your wishes and refrain from doing that immediately
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The suggestion was to take a vacation, you should really do that. I feel a little bad for you, as you get mostly the problems fed back here. I whish I could convey a little better how much fun your aircraft are and what a good time I have with them. I already had two failures, one I found following the checklist (failed co detector) and a L CDU faiiure in flight. Had to use the manual to help me out. I just loooove it.
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Does anyone know a good resource to help me understand how to operate turboprops? I've been flying Turbofan planes for the past several years but have no idea how prop RPM works or is controlled with a constant speed prop.
Also the Starship PT6 is configured kinda like a jet, intake at the front and exhaust at the back? so this is NOT a reverse flow engine?
