The BEST TURBOPROP explanation video! By Captain Joe and PRATT & WHITNEY
2023 ж. 15 Нау.
976 230 Рет қаралды
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I’ve always been confused by the turboprop engine. This is far and away the best and most understandable step by step explanation. My eyes have been opened!
Thanks buddy! That was the purpose of this video👍🏻
@@flywithcaptainjoe If anyone is interested in learning more about turbine engines a very informative site is AgentJayZ. Hopefully cap joe will leave this up and not ghost it like he did my first comment (not cool), as it is clear that he doesn’t know about AgentJayZ and his site. He is a jet / turbine tech that overhauls different jet engines and has fantastic and detailed videos of every aspect of turbines. Latest video is: Afterburner Monday If you want to get even more technical, in the comment section a turbine engine development engineer from RR answers the more complex design issues questions many times.
Sokath. His Eyes Uncovered!
@@SHOTbyGUN A spy!!
@@SHOTbyGUN At Tanagra. LOL!!! Nice Star Trek reference there.
OMG, PLEASE make more videos like this of other engines, this was absolutely FANTASTIC!
More to come!
🤍💙👍🏼🙇🏻♂️
Most turbine engines work basically the same way. There are a few variations in bypass, and combustion chamber types but pretty much the same basic principals as this. Can, Can-Annular, and Annular are the 3 main combustion section types. Can is used in smaller engines like APUs and GPUs and on some small turboprop engines. Can-Annular are older types used in turbojet engines like the JTD-4, and Annular are used in most modern high bypass engines. Though can-annular are still used by in drastically fewer numbers than they used to be. In fact I used to laugh at one particular episode of Star Trek The Next Generation episode because they used a bunch of can-annular cans for set decoration as "scavenged parts" from derelict ships. Most people would have no idea what they were looking at though.
.. just this..! ... so easy and simple story this powerful motor.. 👋👍
As a P&WC employee this engine is a marvel on its own I am honored to be part of this company! This video is by far the best explanation of how our PT6 works! Fantastic, clean, and concise! Captain' :)
Just wait until the EPA mandates it to have zero emissions...
I am electrical Engineer, but we had an Mechanical Engineering subject in our first semester and Gas Turbine/ Generator was a huge part of that course, I wish i had this kind of video that time.excellent explanation thanks to you and also thank PW for such a nice cross sectional model of the PT6
Very nicely explained. Thanks
I have over 1,000 hours with the PT-6 (King Air and Twin Otter). This is the best explanation of the engine I have ever seen and heard.
Thanks buddy! Means a lot!
Lucky you 😢😢😢
This was a wonderful explanation of the operation "cycle" of the engine. As an aircraft maintenance engineer, I started my career working on Beechcraft King Air 200, 250, and 350. I've performed many many "HSI's" 10:35 (hot section inspections) on these PT6 engines, where we split the engine at the point between the CT(compressor turbine) and the 1st stage PT(power turbine) . It's always amazing to see the cutaway of the exact engine you'll be working on, which is generally only located at the manufacturer's approved course-instructing facilities. Fun fact: Only approximately 30% of the air in a turbine engine is used for combustion. The other ~70% is used for cooling! Oh, I also managed to salvage an unserviceable gas generator (the inside of which is pictured at 4:04 with the diffuser ducts/vanes) and installed a glass top on it to serve as a coffee table :)
Great video Joe! The PT6 is make exclusively by Pratt and Whitney's Canadian division (also where I work!) and has been a cornerstone of our company's success for decades.
You have a great job !
You guy's put out a great engine! I've j.g ad many years working on those.❤
@@robertdmoore2592 I forgot to include this in the original comment but we recently surpassed 1 BILLION hours of active service for the PT6 family of engines.
@@jwebes I wouldn't doubt it considering the reliability of that engine and sure it's got a lot of hrs to go!!!
Tbh this is a grotesque design, I expected better but as I am learning more about the jet engine I am learning at what rudimentary stage most so called advanced western designs are... Probably in future Chinese or Indians can bring back greatness in engineering but before that those countries have lots of reform to do the come out of all the damage that west has done to the east
Whoever came up with the idea about the separation between Gas Generator and Power Section blew my mind that the shaft is not connected from each other. Your explanation about the engine was very clear and easy to understand. Thanks for the video!
The Chrysler turbine that was developed late 50's-early 60's utilized the same concept. This was the "clutch".
@@kennethm.pricejr.8921 essentially a gas (which is still a fluid) torque converter
Lycoming had the T53 ( Huey engine) free power turbine in the late 50s but I am not sure if it was before the Chrysler engine.
It's a really good idea. If someone mangles a prop then you only really need to overhaul the power section. Bolt a new one in, if the hot section checks out, and go flying.
@@jimbee7342 pretty much! you can only break half of the engine
I've been through turbine schools and have to say that this presentation is nothing short of excellent! You hit every point and gave numbers. Top shelf!
As a personal injury attorney, I can't stop thinking how some idiot or kid could walk about to the display and put their fingers in the gears. lol
I watch a lot of engineering explanation videos and this was honestly one of the most clear and concise I've ever seen. I'm often left with questions I go off and research, but there is no need after this one. Well done, great video Joe 👏
He was layman so he’s going to have a layman’s explanation. An engineer is a technical expert so the are going to have a more technical explanation.
. Great job I look forward to more Jet Engine Videos. How about the Pratt Whitney Geared Turbine that is gaining favor. Walter P.S. I worked on the JT8D engine in the early 60’s that was used to power the Boeing 727 . gear determine
By far, the clearest and most lucid video on Turboprop explains everything with great diagrams and models. Well-done
i'm an a/c engineer working on PT6 family for the last 33 years, and this is the clearest, simpliest explanation i ever heard. good job Pil!
Currently studying ATPL 021/powerplant , this is very helpful and straightforward, thanks 😊
Glad it was helpful!
Damn now this is probably the best explaination you can think of for a turbo prop!
As a Mechanical Engineer with a specialisation in Internal Combustion Engines and Turbomachinery, I would like to highlight that, up to now, this is one of the best and clearest explanations I have personally come across with (and I have watched quite many due to my passion with regards to this specific topic). Very well done Captain, and please keep on sharing contents of this quality.
What an incredibly well-made video. Thank you so much Captain Joe for partnering with P&W to bring us this amazing step-by-step explanation, and for bringing your experience and knowledge to it to make it feel a bit more real and not just purely technical. You're a teacher, an entertainer (referring to your "windmill" :D) and you're a stand-up dude. Fly safe!
as a curiosity, I will add that the parts for the construction of this engine are manufactured in a branch of the Pratt and Whitney plant in Poland in the city of Kalisz. in Kalisz we also have the same model of this engine. thank you for a very nice episode. Regards, Przemek
You guys had a car/s racing at LeMans just last week.
Well done! From my limited understanding, the E-Series engines are FADEC, which simplifies startup (preventing hot/hung starts) and can be used with autothrottles to greatly reduce pilot workflow.
You have answered pretty much all of the questions I had about turboprop engines in a single video that's very easy to understand. Thank you!
Captain Joe , I am amazed of how you can precisely explain how the turboprop engine works. I am an Aerospace Engineering student a third year (senior) and your clarity in giving your explanation has just made it easy to go about the unit of propulsion and Power plants .
Great video and explanation. I used to work on a turboshaft version of the PT6 when in the Military. The PT6T (or for the military, T400-CP-400) powered the 2-blade Huey helicopter (UH-1N). Same gas generator section layout, a different turbine section, and a combining gearbox that had two of these units combined side by side for a single output shaft to the helicopter.
This was absolutely eye-opening! Fantastic video! I had no idea that this engine is used in so many aircraft. This is straight-forward eLearning material. I would love to see more of videos like this. I especially liked the format - filming on site and using voice-overs and additional elements to explain what's going on. Many thanks!
Wow! I was a jet engine mechanic in the USAF and worked on the P&W J-57 engine. I was blown away by this video to learn that turboprop blows from back to front! Amazing!
Captain Joe, this is by far the best technical explanation I have ever watched on turbo prop engine operation. Great presentation!
I love flying on turboprop aircraft! My favourite is the Dash 8-400/Q400. The Dash 8-400 also sounds so cool.
The smaller ones sound even better.
@@lajya01 I will say that all turboprops sound cool but I think the Dash 8-400 sounds the best of them all.
Turboprops make my favourite sound, especially through rain, and powering down. Most of my flights of this kind were Saab 340.
Back in the 90s I had a chance to go for a tour flight on a Fokker f27 with the RR Dart engines, what a sound, that high pitched whining sound was epic! 😎
Yes it does!!
Amazing video Capt. Joe. I particularly was flying the Beechcraft 1900C and D with Pt6A-65B and Pt6A-67D and are turbines with a high efficiency and reliability . Great video !
This is one of your best videos yet, thanks for producing such a thoroughly informative explanation of the turboprop, and well done achieving the holy grail of being simultaneously educational and informative.
I’ve never totally understood how a differential works on a car. I think a video like this one would be my path to enlightenment! I was able to follow Captain Joe’s calm, measured and elegant presentation on this one. Wish I had grown up with such teachers. Thank you.
You’re truly giving Real Engineering a run for his money! 👏🏻
I really like his channel!
The air is NOT accelerated in the compressor, although the duct gets more and more narrow and the Venturi effect should kick in. That's because the blades on the rotors and stators build up a decelaration grid. The speed of the airflow remains more or less the same while passing the compressor. The compressor is not about to accelerate the air, but to compress it. BTW, a centrifugal stage is used when the ratio of blade length and width of the gap between blade and channel would get too big.
The compressors do accelerate the air tangentially. The stators are there to reduce the tangential velocity and convert it into static pressure. A centrifugal compressor is used to make a compact engine as it’s far more suited to a reverse flow combustion chamber (not to be confused with reverse flow engine) which allows the compressor turbine to be mounted on a very short shaft between it and the compressor.
A centrifugal compressor is also cheaper to make, more resistant to compressor stalls, and if it’s the first stage more FOD resistant.
This was the clearest video I’ve ever seen detailing how a PT6 works, and answered a lot of questions I had. Thank you! I especially like your explanations of the engineering trade offs and decisions in the design, like the counter-rotating shafts.
This was so fantastically good, I actually understood this so much easier than any other explanation! Thank you! I'll be sharing this video for sure!
Well done! Thanks Joe!
thank you for this video, went to A&P school about 10+ years ago & this is probably the best way i think i've seen a turboprop engine demonstrated
By far that is the best explanation that I’ve ever seen on this excellent engine. Keep up the great work!
Simply brilliant, clear, easy to understand and detailed narrative of what is a truly complex process
Thank you sooo much Captain Joe! I’m an Engineer and an Av Geek but really it’s so hard to find such a simple explanation that also covers important questions I always had (like the not continuous shaft!)
This is by far the best and most concise explanation of the PT6 I've ever seen! This is evidence that, when you understand something well, you don't need much time to explain it in clear terms :) GREAT WORK!
Love this video. One of the best explanations of the PT-6 ever.
You took me back to my college days studying A&P learning about this wonderful engine, thank you so much
This is hands-down the best explanation for how a Turboprop engine works. I *know* this because I searched KZhead many times in the past and most of the videos were quite lackluster in their explanation. Outstanding work Joe!
Thank you for the demonstration of how the turboprop engine works. Awesome information, and very easy to understand. Thank you for taking the time to film, edit, and post this video.
Great content Joe! -I have always loved Turboprops-ever since I was a kid and we used to see Hercules flying low over the village that I grew up in-and that fascination has never really left me! -it is very interesting to see how at least one version of a Turboprop engine works and, I am very glad to have had the chance to see it! Thank you.🙏👍
Joe, I will concur with some of the other posts. This is far and away the best explanation of how the PT6 turboprop engine works. If I were still teaching, I play this again and again for my students. Good on you for putting this on the internet.
Impecable explanation. It's impressive how the flow of gases and reduction gearboxes lead to such amount of HP and torque. Thank you mate.
This was a fun video for me to watch. My son was in the Marine Corps in Aviation Ordinance. He’s now going to school on the GI bill for aircraft maintenance and learning to fly. He’ll be maintaining these engines and flying them as well.
The most clear and easily understandable explaination I've ever watched and heard.
Excellent! The best explanation of a turboprop engine I’ve ever heard! Very clear and detailed.
Best explanation of a turboprop ever. Brief and easy to understand. Great video!
The engineering genius that goes into these engines just boggles the mind. It’s vids like this is why I love KZhead.
That was an excellent and easy to follow explanation of how the engine works for us non-engineering types. Thank you!
You gave an excellent explanation of a turboprop engine. Thank you!
I grew up at airports, flew in many Beechcrafts, but never would have guessed this is how the engines work. Thank you for this Captain Joe.
Thank you Captain Joe for this wonderful session on how exactly "turboprop" engines work.
Thank you for bringing this up, last used the PT-6A-25A 11 years ago. Further understanding with very good visual representation!
Great video Captain!! Easy to follow along, and you explained this really well. Thank you for taking the time to do this. It's clear you had a vision and you executed it well. Looking forward to more videos like this.
From my early days of putting together thermodynamic turbine engine models at Cal Poly through my time in aerospace, I've never seen a better explanation with your level of detail that the average person can understand. Awesome video Captain Joe - Thanks👍
It was a good explanation a Dan.
Das war sehr Informativ! Super Erklärt! Danke Joe!
What a fantastic video and the explanation is unmatched. Thanks so much for the knowledge and effort into making these kinds of videos!! I am definitely a new fan of your channel all the way from Montenegro!!!I look forward to more of these!!
You’re really making my life man. I’ve been searching for detailed explanation (for ex how to air compressed) but never find one until now. Thank you so very much. I hope we can have one like this for the helicopter turboshaft also. Thank u Captain ❤❤❤❤
It was THE BEST explanation that heard in my whole life about a reaction engine mainly about a PT-6 one. Not all of KZheadrs nor any social channels explain the beginning of all: engine starter. Most of explanations start explaining from the ingested air passing through compressors when the should start to explain from the starter generators which is where everything starts. Congratulations Cap. Joe! ❤
Thank you very much, Joe. They always sound cool and now we understand the basic working of this innovative engine design-
Outstanding explanation & great animations! Cheers, Eric
Hi Captain Joe! Love your vids and short clips. This video was fantastic! Easy to understand with really good visuals. Thank you so much!
You have cleared up the inlet confusion I was experiencing. It wasnt by any means obvious where the inlet was situated. Thank you. They are an excellent and fuel-efficient engine type, with the reliability and longevity of jet engines, and a smaller, slimmer, footprint advantage.
Oh this is just what I needed! My AGK ATPL is coming up in a few weeks. Thank you & keep up the great content as always! 👏🏼
This is what I call a demonstration of a topic with perfection. Thanks
Little brother. I absolutely love how you are able to explain a complicated situation. In easily understandible terms. Please keep bringing it.
As someone with very little prior knowledge of how aircraft engines work, this was brilliantly explained. Thanks.
Probably the best explanation of a turbo prop I’ve seen, that model was really cool and the animated one was real nice as well, nicely done.
Very interesting. I’ve never paid much attention to how a turboprop works and watched this video to find out. It was really cool to learn not just how they generally work but at the same time, how the pt6 series are such innovative versions. Lots of homework went into these beauties.
That was great. I thought I understood this incredible engine before, I didn't.... Now, it makes sense. Thank you CJ for all the insight you give, I've always loved aircraft and so appreciate all the common sense depth you give.
WOW! You covered so much in 13 minutes, and yet, all understood. Great video, great engine design.
You know, your channel is the perfect example of someone who is good at their job vs someone who is great. It's only the great ones that go to exhaustive lengths to learn everything in their profession vs just punching a time clock. Good job
What a really great and detailed explanation of the pt6 turboprop engine. I just love how everything works and and so fascinated that this engine can produce so much power. If I was 30 years younger I would be looking for a aviation school to become an A&P Mechanic. I already have my avionics degree. I just love aviation and everything that goes with it!
Thank you for the lesson!
Impressive engine explained in laymans terms helping a curious mind on the way to better understanding. Thank you, Captain Joe, wish there was more people like you, more enganged in the matter at hand than the drone of their own voice when explaining stuff. I’ve seen the Pilatus Porter and what it can do. Now I know how the engine works that makes much of the Porters abilities possible.
Great explanation. I’ve been flying turboprops for years and actually learned some new stuff!!! Thanks for the info!!!
Vielen lieben Dank, Joe für diesen wunderbare Erklärvideo. Wieder grandios erklärt! Herzlichen Dank.
The BEST Ever & Beautifully explained video about PT6 Engine on the internet till now. Even the beginner can understand. Thank you Captain Joe!
Wow! what a truly eye-opening video. A fantastic explanation of an iconic engine. It's brilliant being able to see the working components inside the engine casing. jet engines get all the "fame" but these beauties are good reliable work horses. Thanks Captain Joe, I'm sure you enjoyed your day off too.
Kudos on quickly making the complex completely comprehensible. 👍🏽
BRILLIANTLY and CALMLY explained. The visuals are splendidly helpful. Thank you !
Thanks so much for this video! Now I know & finally understand how the turbo prop works! Took long enough 😊
Cool video. I’ve been confused about the differences between turboprop, turbofan, and turbojet forever. You helped me understand turboprop today. Thank you.
This was highly educational! Thank you for sharing the details without any craziness. Much appreciated. :)
thank you captain that was a lot more better than the lesson i have learned
Grandioses Video, das beste was ich in meinen 24 Jahren Aviation bis jetzt gesehen habe 👍🏼
honestly i did not expect the prop is so difficult, -excellent video, well done as always -super explained, thank you
Amazing engineering and even more amazing explanation. Absolutely loved it, I'd love to see more of these kinds of videos!
I love the sound of turboprops spooling up. That high frequency sound underscored by a smooth base thrum gives me goosebumps. The only thing that beats it is the bodily acoustic overlapping resonances of rocket launches. Auditory heaven that's worth the eardrums.
Thanks for bringing back many good memories. I was a Field Rep for P&W starting in 1965 and had my first assignment covering corporate and 3rd Level airlines operating the King Air out of Detroit. I started out with the PT6-6/6A and I stayed with the program up until the -27 was fielded. Worked with companies such as GM, Miles Lab, Upjohn, Marathon Oil but to name a very few. My territory included Mighigan, and N. Ohio. Also did a stint at Rockwell in Colmbus, Ohio when we we trying to get the contract for the OV-10A that had engines turning in opposite directions to counter the prop torque. Was also involved with the installation of an ST6 in a Dana Truck. I loved my time supporting this product and the people I worked with at PWC!!
I belong to a museum,and we have a ST 6 that was used in a Canadian Hydrofoil research project,I think it's based on the PT 6 - 20
The P&W turboprop engines are so good. The F50 and Dash 8 aircraft have P & W turboprop engines.
This by far has made the most sense … i finally understand how the turboprops work
Great video Joe , very well explained . As a retired aircraft engineer I enjoyed this explanation a lot.
This was very enjoyable to watch as the visuals and explanations were very educational. Thank you for the high quality content !
Wow, hands down best turboprop explanation I've seen. Thanks, Captain Joe!
This really IS the best explanation of a turboprop engine. Thanks for all the details
Great video! Very nice and detailed explanation, I personally definitely learned something new🙂 !
Such a great explanation. cheers captain!
Sir, I am a retired machinery engineer for a major oil company and worked with gas turbines, hot gas expanders, axial/centrifugal air compressors and high pressure to low pressure turbo expanders for 39 years and this by far is the best explanation I have ever seen, you did a fantastic job. I really enjoyed listening to your explanation.