How to Use a Constant Speed Prop in Each Phase of Flight (Made Easy!)
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- Опубликовано: 12 июн 2024
- This topic has been requested a lot. Transitioning to a constant speed propeller aircraft can be intimidating at first, but once you understand the "why" and how it impacts each phase of flight, it doesn't have to be that complicated. In this video I wanted to try to explain how to transition from a fixed pitch propeller to a variable pitch / constant speed propeller. I hope it helps you in your aviation journey!
Article mentioned in the video: airplaneacademy.com/is-high-m...
Video Chapters:
0:00 Doesn’t Have to Be Intimidating
0:12 The “Why”
1:08 The Downside of Fixed Pitch Props
1:34 Differences by Phase of Flight
1:58 Differences - Takeoff & Climb
2:37 How to Control Power
4:00 Change RPMs or Manifold Pressure First?
4:49 Oversquare Flying
6:26 Differences - Climb & Cruise
7:36 Differences - Descent
8:40 Differences - Landing
8:52 Many Times It’s Exactly the Same!
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I can't express enough how much we appreciate the content you put out for us. You always explain things clearly where I am able to understand it perfectly. Thanks for everything that you do!🛩
Ditto. It's like having a flight instructor for free!
S@@jbl7092
I wish that I was taught the constant speed prop as clearly as you just did… thanks !
Great video! The lightbulb moment came for me in the last minute of the video. Flying with prop control full forward is just like flying a fixed pitch trainer. Simplifies the thinking greatly. The prop lever just becomes an extra tool in your toolbox to get added efficiency out of your engine. The bicycle gears analogy was great too.
The bicycle analogy made my day, it is literally that. You have many combinations of gears and “effort” that you put on the pedals, and there is a perfect combination of them both for each phase of the flight.
The selected gear would be the RPMs: low gear = high RPM and less effort to move the prop/bycicle, therefore you can put more effort (manifold pressure) without becoming too tired, whereas a high gear (lower RPM) offers more resistance, which means you can’t go as high on manifold pressure (you’ll become too tired), but it’s ideal to go faster on a flat surface (on cruise).
Thank you for this video, I haven't started flying constant speed props yet, but the idea was so confusing.
this laid it out so amazingly clearly and doesn't seem nearly as daunting now!
Quality content. Thanks for helping clarify. Transitioning from a piper warrior to Diamond DA40 & I was also intimidated by the constant speed propeller. This really helps!
Great video. I went through complex training and never hear of under square or over square. That’s a really great way to put it. I’m going to start using these terms in my flight training. Thanks!
Really appreciate the simplifying explanation with full forward prop at lower power settings. I just started my Multi and was overcomplicating things thinking about prop setting for landing/slow flight and the way you explained it really helps it click.
Great discussion! One extra note to add during your “over square” discussion:
Every takeoff at max throttle in a FP prop is “over square” operation! Don’t fear it. Just understand it. 👌🏼my o-320 FP catto prop equipped RV-4 only turns 2150 static RPM at 26”+MP as I release the brakes on takeoff. Same goes on any other FP prop equipped airplane. Same goes in a WOT hard climb.
I'm a new pilot, trained in a 172 fixed pitch, and now just starting to fly with our new Vans RV10 with io540, and in my first flight this was pretty daunting and confusing even though I watched various videos including this one, but after my first flight and now watching this video again, I'm amazed at how simple you make it! Thanks a bunch for this amazing video, one of the best ones on the internet! You really helped me sort it all out! 5 stars! 👍👍👍👍👍
Hi, great lesson; terrific delivery and explanation. Your non-verbal communication is spot on. I say that as it's obvious you know the material, and you're passionate.
Thank you for posting the video and sharing your knowledge.
Brilliant. Thanks for your simplified explanations. The bikes were helpful.
Thank you! Never flown a constant speed prop because I figured it would be so complicated. This video helps so much!!!
Thank you so much for this! I'm an aspiring GA pilot, close to checkride. Definitely want to learn the constant speed prop but, like many others, I'm intimidated by it. Your explanation made a lot of sense and took a lot of the apprehension away. Great presentation!
Here to say I really loved this video. Very clear, concise, easy to understand. Good pace and just all around tops! Thanks brother!
Thanks so much!
That was super helpful! The descent/landing settings confused me until I saw this. Really appreciate the simplicity here.
THIS IS THE BEST QUALITY AVIATION CONTENT I'VE FOUND ON RUclips!! AND I'M AN INSTRUMENT RATED PRIVATE PILOT. Thank you for this video!!
Thanks Bill! Really appreciate that and glad you've found it helpful!
Nailed it! I've always wondered how best to use a CSP. Thanks for the awesome explanation!
Thank you so much for explaining a complex procidure in such a simple way .
This is the first of your videos I’m watching but so far I really like your energy and how you explain things! Thank you
Thanks so much! Welcome to the channel!
Very good explanation, congrats!!
Very well explained. Thanks
Well-constructed, easy to understand and insightful. Value-added.
Best explanation I have found on RUclips! It is 100% clear now, thank you!
Wow!! Thanks so much for saying so. Glad it was helpful!!
I have searched everywhere to find out what pilots were referring to when they talked about rpm and inches. THIS video is an absolute BOSS! Thank you! Can't wait to explore more of your content. I subscribed!!
Nice!! Glad you enjoy the channel and to have you as a subscriber!
You are very talented to explain quite difficult issues very easy. Congrats and thank you!
Just learning to fly, and I'm learning on a CSP. SO thankful for your explanation here. Well done, especially for an old codger like me.
This is the best explanation I’ve had for learning constant speed props! Thank you! Eric
Thanks so much! Really appreciate it and glad it was helpful!
I'm working on my complex endorsement right now. This video makes things more understandable. Thanks for posting this.
Great simple explanation. Thanks!
Mixture, props, throttle. That's the mantra on power advance. You learned in primary that the mixture needs to be rich enough before advancing throttle, so now the props need to be set high enough before advancing throttle. That's all you need to remember. Everything else, you just set the power according to the POH.
I keep my RPM setting at the cruise setting until the pattern or until after final approach fix. If I'm too high or fast, keeping the throttle closed and advancing RPM is like throwing out an anchor. ;)
Nicely done and well explained. Thank you.
Excellent explanation! I'm doing my EASA ATPL exams at the moment and your video really helped me understand the basics of a constant speed prop. Thanks Charlie.
Awesome! Glad it helped
Best explanation I have seen. Thanks Mark
This is a great explanation of how to fly with the constant speed propeller. Thanks.
You’re a fantastic teacher, and the video is so well put together. This really helped my understanding and I feel confident for my next rating. Definitely subscribing!
Thanks Taylor! So glad it was helpful.
The best video for this topic, went over everything in detail and explained it well. Thank you
Thanks so much! Appreciate the feedback.
Excellent! Best video about constant speed propellers so far. I'm preparing to adapt a new plane and have seen many. Very clear and practical explanation to whom is transitioning. Thank you!!
Awesome, thanks so much! Glad it was helpful!
Thanks for the video! I have gone through several videos that could not explain properly what the blue lever does. You finally made some sense out of it.
Thanks! So glad to hear that.
This video is right on time. I had my first complex lesson today in a Arrow, and I was like huh most of the time. Love the content.
Awesome! Hope it helps in some small way! It can be a little intimidating at first and then eventually it will be second nature. So hang in there!
Very, very helpful! Thanks!
Great Explanation, Thank You.
Excellent video and explanation! Thanks!
Sure thing! Glad you enjoyed!
Not there yet, but a nice clean explanation of constant speed props. I will sure get back to this video multiple times. Thx for sharing your gems of knowledge with us!
Yep you've done the best job I've heard, great vid reviewing more than once!!!
The bike gear analogy was perfect! Thanks for the videol
Even though I did my training in a Decathlon with a CS prop, I found this video interesting. Pretty much what you said is how I was taught to use it. One thing worth mentioning though is at higher altitude and descending one needs to pay attention to manifold pressure as it can rise above RPM setting. Of course though it can be said that during a descent you should just pull back some power anyways as you can use the descent to maintain your airspeed.
That was good - well done - Thank You for making
Thank you! Very clear and concise!
Excellent video. Great work!
Thanks so much!
Great and thorough explanation!
I wish I could watch this video back in 2008 when I was training for my commercial... 👏👏👏 Great job!
Decades ago I read an article by Bob Hoover. He suggested keeping full throttle on climb to altitude and backing off on the RPM within the limits of the POH. Manifold pressure automatically goes down an inch for each thousand feet of altitude gained so rather than reducing power after takeoff, then adjusting it back up as you climb, leave the throttle alone till leveling off at cruising altitude.
I think this is good general advice, but of course you’ll want to check your POH for their recommended settings. In a normally aspirated engine, you’ll find that you’ll always be undersquare at cruise altitude.
As a newb I didn't really understand the constant speed/variable pitch prop idea. Thanks for explaining it so well.
This video is the most helpful one i've watched on how the csu works and how to fly it. Thanks!
Thanks so much! Glad it was helpful.
That was excellent!!! Thanks for uploading quality content.
Thanks so much! Glad you enjoyed the video!
Excellent presentation, thanks for sharing.
Thanks for the helpful vid!
Man your channel is one of my favorite if not THE favorite. Thank you for all the great information. I Hope to meet you shake your hand and fly with u one day.
Thanks Marius - I'm glad you've found the channel helpful! I'm sure we'll meet at some point.
I give you mad props for putting out this great video
Thank you! Glad you enjoyed!
Charlie, you are a very CLEAR teacher. I recently bought a Piper PA-28 235 with a constant speed prop and find operating it most confusing. I think your explanation will help me transition from my fixed pitch training. Thanks!
Thanks Tim! Congrats on your purchase and I'm glad you found the video helpful. It'll get easier with practice, promise!
Great video! I don’t think there’s a video as good as this one about constant speed props on RUclips
Wow! Thanks so much. Really appreciate that.
It all makes sense now, great video!
This is the best, straight to the point explination dude. Great content
Thanks so much! Really appreicate it!
waoo amazing explanation!! Thank you for that
ThNk you so much you really made it clear how this work a and I’m a long time pilot A&P. Thanks again.
Great video. Thank you
Very useful, thank-you
I was looking to learn the basics of this to play with a 182 (or da40) in MS Flight sim before I eventually will learn to fly this in real life. This video was extremely helpful and well put together. Thanks!
Thanks. This was a great explanation.
Sure thing! Glad you found it helpful!
The best constant prop video out there. Thank you very much.
Wow! Really appreciate that.
Thanks ! I understand constant speed props now...
The best video you've ever made...Congratulations!!!
Wow!! Thanks so much! Really appreciate your kind words!
Great video; as a commercial student, this topic has never been intuitive to me. About the best explanation and video I’ve seen. Thx again
Thank you! I'm glad it was helpful to you. Thanks for letting me know.
Brilliant video.well done
Another great video!
Smart, well spoken, no bull video.
What a nice surprise compared to most YT crap.
Thanks.
Thank you!!
To date, this is the best vid I've seen on the topic
Awesome, thanks so much for saying so!
As one who has flown only fixed props but plans to transition to constant speed not too far in the future, thank you! Every other video talks about how a prop governor works, and which knob affects which engine setting, but none talk about how the pilot should plan to adjust the prop with regard to the various flight phases. I was beginning to think that everyone just knew it instinctively, just did what their instructor taught them, or didn't know what they were doing. This clarified it pretty well.
Thanks so much, Eric. I'm so glad to hear this. As I got into making the video, I realized "wow there's more to explain here than I thought" and I was hoping that it would still make sense. Really glad it did. Trust me, none of us know it instinctively!
Great explanation ! I remember how intimidated I was when making this transition. I had built it up in my mind, that it "seemed" like relearning engine management p. As explained here, it's not. Great video Charlie !
Thanks so much!
Best explanation I’ve seen!
Wow great job! This really made sense to me thank you subscribed!
Awesome, glad you enjoyed and to have you as a subscriber!
I don't even fly but this was such a quality video. No bs, no clickbaits, jot even ask to like and subscribe 100x at end of video. Awesome content dude. Subscribed.
Thanks so much! Really appreciate the feedback and glad to have you as a subscriber!
Thank you very much Charlie for sharing your knowledge, they are very helpful to me !! / Muchas gracias Charlie por compartir tus conocimientos, me son de mucha ayuda!!
Wow! Amazing explanation!
I've heard so many explanations of how to fly a CSP, along with some tips on how to remember which lever to operate first (*) but yours is by far the best and easiest one!
[*]
- climb: "going to the SKY" - blue first (since the prop lever is usually blue)
- descent: "going to the GROUND" - black first (i.e. manifold)
Wow! Thanks so much! This means a lot!
Fantastic video
i have flown constant speed done the training in the classroom and have it on my licence but its been a few years since i flew one so im back refreshing on it and it always amazes me how easily the details and the second nature understanding dissapears if we dont keep doing something.
Really good explanation and nicely edited. Thanks.
Thanks so much for the feedback! Glad you enjoyed.
@@AirplaneAcademy …and Happy Christmas!
Hey this was super helpful! Thanks for posting!
Sure thing!! Glad it was helpful!
Well done. Thanks.
Very good information. I'm learning to fly a 182 in Flight Sim 2020 (40th anniv) and was struggling to know what power settings. I could fudge them a bit but,until watching this it was guess work on approach and a bit nerve-wracking. Thank you for putting this clip together.
Great vid. Thanks!
Great great video. I'm only a sim pilot but I love knowing everything and this definitely taught me something
Cool! Thanks!
This helped me a lot in Microsoft flight sim 2020
First video of yours I've watched and I don't think you even, at least verbally, asked for a Like or Sub. You earned both here man.
In msfs 2020 I've been hauling cargo with the SWS Kodiak 100 and have popped the engine twice - granted with many many flights logged already. I've been keeping the prop lever full forward until reaching cruise height. For descent I've been leaving it back for 2000 rpm until entering the pattern.
The way I understand it now I need to mix the power and prop levers to achieve the POH recommended torque. I've yet to test this in the sim but that must be it. Doing that I should be able to achieve SWS's POH torque numbers that I thought, being a sim, were real world numbers but unachievable in the simulated 100. Doh! Their POH is, of course, not as comprehensive as the real one - I assume - but it does have reference charts for different altitudes, OAT, and total aircraft weight.
Mainly I've ignored the POH charts because I didn't understand, thoroughly, the relation between those two levers. Secondarily, flying in VR as I do, reading PDFs by peeking out of the headset along my nose, is awkward and "immersion breaking," I'm buying Sim EFB, which is made for VR - but works for monitor flight too - and supports reading PDFs in VR. (Yeah!) Edit: I bought Sim EFB but, apparently, I was mistaken in thinking it supported displaying PDFs. Sigh. Now to look for another solution...
For now I have msfs's Engine Stress Damage, or whatever it's labelled, disabled but once I get a handle on managing torque I'll re-enable it.
So thanks for a short, concise yet thorough, explanation and for getting right to it in the first second of the video. I'm going to check out your website and, assuming there's paid instruction, might even buy some. If it's all ad supported... Great!
Thanks for your comment and glad you found the content helpful! Your VR sim immersion sounds really fun. One day I might get into that. Thanks for the sub!
Great video Charlie! 👍🏻
Thanks so much! Glad you enjoyed!
Thankyou Sir well explain 🙏🙂
thanks so much sir! you answered my question!
Great video! Just in time for my initial checkouts in a 182 and 210!
Nice!! Let me know how it goes!