Questions tagged [turboprop]

A turboprop engine is a type of turbine engine which drives an aircraft propeller to produce thrust (as opposed to a jet engine, where the turbine exhaust provides thrust directly).

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What is the highest service ceiling for turboprop airplane like a Cessna 425? [closed]

What is the highest service ceiling turboprop airplane, that is fairly small, like maximum of 8 seats, and fairly cheap as well, not going over a million dollars. I looked at Cessna 425, and this ...
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Why can't turbojets or turbofans be overtemped or overtorqued the way turboprops can?

Turboprops that aren't FADEC controlled can be overtorqued or overtemped if the power lever is moved too far forward yet I have never heard of a jet that can't be "firewalled", FADEC or not. Why is ...
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How long does it take for a propeller engine to spool-up?

To build further upon the question Why does a turboprop lag?, the following: Assuming a propeller engine is running in idle and the throttle lever is switched to full thrust instantaneously at t = 0 ...
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Why are there no large turboprop passenger airliners? [duplicate]

If turboprop engines are more efficient than turbofan/jet engines at lower speeds, and have a lower specific fuel consumption, why are there no large passenger airliners that utilize the turboprop ...
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Turboprop vs Turbofan: How to compare Specific Fuel Consumption

I understand that Turboprop engines have a lower Specific Fuel Consumption (SFC) than Turbofan engines, on average. I want to see this for myself by analysis, ideally by comparing values of SFC for ...
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Make a 3 engine turboprop electric or steam hybrid aircraft?

Was thinking about this, have a 2 engine regular turboprop with a third electric engine for extra performance (imagine a DC3 like the Conroy Tri-Turbo-Three). The 3rd electric engine would be run from ...
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What are examples of power-available and thrust-available curves for piston and turboprop engines, with constant-speed propellers in each case?

Considering the actual thrust or power delivered by the prop to the airframe, what are examples of power-available and thrust-available curves for piston and turboprop engines, with constant-speed ...
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Why Turboprop engines are better than turbojet at low altitude and speed? [duplicate]

Please explain the Aerodynamic or engine considerations which makes turboprop more efficient at low altitude n low speed as compared to turbo jet.
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How to compare turboprop engines and with which values?

I have found this website that lists a lot of turboprop engines. I would like to compare them with as few values as possible. As an example, there are tons of different values that describe a jet ...
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Twin otter engine starting procedure [duplicate]

Could you please give me the steps or procedure to start the a/c twin otter gas turbine engine?
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Why are 4 engine civilian turboprops not produced anymore [duplicate]

As per subject why are 4 engine turboprops not produced anymore for civilian flights if turboprops are so efficient? How comes the military still use them (see Airbus A400 and C130) It would be ...
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Why don't airliners have turboprop engines instead of jet engines? [duplicate]

I know the q400 is one of few airliners that has a turboprop engines. I know that some military airplanes use turboprop engines so why don't many airliners use them?
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Where should I find a Pratt & Whitney Canada PT6 operator's manual?

I'm studying the PT6 in detail but the infos I get around the web are sometimes lacking in depth of informations. I'm pretty much interested in the power curve vs RPM of this engine. Where should I be ...

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