How Controllable Pitch Propellers Work (CPP)!

[@savree-3d]

Want to continue learning about engineering with videos like this one? Then visit: courses.savree.com/ Want to teach/instruct with the 3D models shown in this video? Then visit: savree.com/en

[@Ethan.YT.]

I don't have $420 :(

[@AH-gt7my]

I am very impressed with your ability to make a job that is so detailed in the manufacturing process, it's amazingly good

[@savree-3d]

Thank you very much!

[@WanJae42]

Excellent stuff! I assisted (held tools) with the overhaul of a C130 (Hercules) prop when I was small, and never fully internalized the mechanism despite having seen it in bits. It shares a similar concept.

[@hanleypc]

Very interesting, you can apply reverse thrust allot more quickly than slowing down your main shaft and reversing rotation. Good video.

[@savree-3d]

Thanks

[@buttonman6262]

Best CPP explanation I’ve seen!👍🏻

[@jeremiahcalebhenry9054]

Amazing work, well done, clear and precise video, easy to understand, thank you soo much

[@MariusEidem]

That was a lot simpler than I anticipated, interesting

[@Life_42]

This is amazing! So detailed and well presented! Great video sir!

[@savree-3d]

Thanks for watching. Appreciated.

[@gvdilshan7555]

Thank you very much I learned lots from your videos

[@savree-3d]

You're welcome

[@epicv7dayz824]

Thank you so very much for taking the time to explain this. You’re right books will ever really detail the workings of. Cheers

[@dennisfox8673]

I love your content, it’s satisfied a lot of curiosities I’ve had over the years, and your animations are always top notch.

[@pradabeats6258]

Sir first of all really appreciate with deep love the effort u put in ur videos.u r like a messiah for understanding difficult things .

[@prasanths5231]

The way you explained CPP very clear & easy Understand Thank for your Information waiting for more Marine related video ..

[@leidynatalia6737]

This is a great video to explain such complex mechanism. Really good work!

[@savree-3d]

Thanks!

[@mec6953]

After long time marine related video. we like marine related video. we are marine engineers!

[@savree-3d]

Understood! Helix fuel pump next.

[@mec6953]

@@savree-3d thanks😍

[@savree-3d]

@@mec6953 You are welcome!

[@roseelectronics4582]

@@NickNam3 are they really simple? To me they're as complicated as it cout

[@troubleshootingwithgaurav3205]

Very simple and nicely explained.. this is the best video i have ever seen... Thank you

[@savree-3d]

Glad it was helpful!

[@jamalikhwani4883]

Thank you sir, I can imagine how this thing works after see your videos. Hopefully we can attain forever happiness.

[@danieljoyce-anderson2135]

Great video. You're doing a spectacular job, keep it up 👍

[@aligoharmughal4952]

very helpful...thanks for making this video.

[@savree-3d]

Most welcome!

[@danevz88]

Nice work John! Great video, love the animation 👌

[@WalterBurton]

Well-done. Mission accomplished. 👍👍👍

[@tasawerashraf5190]

GREAT INFORMATIVE VIDEO

[@savree-3d]

Thanks

[@pretentiousarrogance3614]

Thanks for the info I had a hard time understanding how hydraulic lines were working on something that’s rotating never realized its more like a shaft inside a shaft.

[@oranghingel3980]

THANK YOU VERY MUCH FOR THIS WELL EXPLAINED 3D ANIMATED VIDEO . DEFINITELY LOVED IT SIMPLICITY.

[@bimal5014]

Very informative and interesting video.....👏👏

[@savree-3d]

Thank you

[@GalileoAV]

Intuitive explanation, thanks.

[@savree-3d]

You're welcome

[@motherearth1147]

Good explanation, thank you 👍

[@savree-3d]

Glad it was helpful!

[@MrRoan00]

Nice vid! Got curious how the fluid gets in to the shaft, I suppose the whole assembly is rotating together :)

[@savree-3d]

Will have a look at doing a video about it.

[@65gtotrips]

I have the same exact question; As in constant speed variable pitch aircraft propellers. The one article I read states the fluid comes from inside the crankshaft, but there’s got to be a pump and a sump somewhere.

[@guvenozturk2516]

That is such a great explanation! Thanks a lot!!!

[@juanda680]

Great stuff as usual

[@savree-3d]

Thanks!

[@harveyhutsby7697]

awesome video, great explanation

[@savree-3d]

Glad you liked it!

[@65gtotrips]

This is FANTASTIC !

[@krishnaprasaddnair327]

How is the hydraulic oil supplied to the tube?

[@bevinbell6600]

Awesome video cool to see how they work. We make the hubs for Rolls Royce to be used in destroyers.

[@kinijojicakau3647]

This was very helpful bro thank you

[@biplabbanerjee9505]

Very impressive 😮. Great work

[@tangaajah1604]

what a fantastic view sir, I love this, thanks very much for this video sir. So interesting i will like to learn more

[@rodrigocordero7343]

I was waiting for this vídeo! Regards!

[@savree-3d]

Hope you enjoyed it!

[@AlexOleks]

Great channel, great videos, greatest job

[@cougarten]

what rotates and what doesn't, how does it seal in between?

[@sulaimonnurudeen9265]

A question: Is the hydraulic system used for the CPP in this video closed circuit or or open circuit? Thanks.

[@RBi434]

Very interesting! How to adjust the cpp position to zero, having control and indication feedback potentiometers with a resistance of 2 kOhm. What is this procedure please tell me?

[@wyskass861]

Good animation of the actuation, but the one thing I can't seem to find an understanding for is, how you connect hydraulic pressure lines from outside the prop shaft into the spinning interior and on two concentric levels.

[@michaellavalle-sv7tp]

Thanks very much great vid well done

[@hjtayona6102]

Very informative. Thank you!

[@thesmallterror]

How does the hydraulic fluid get into the shaft? Isn't the shaft really long? Is it pumped in a hundred feet away at the engine?

[@savree-3d]

Will plan a video for this.

[@rishabhmalkane754]

Very nice video. But I didn't understand how the fluid control is done, there should be some valve to stop it flowing in both chambers, forward (yoke moving to left in the cross section you showed) and right (yoke moving to right). How is it done? How is a desired pitch maintained?

[@NikolaiMihov-l1u]

Hello John What kind of sensor is used for measuring the pitch ?

[@kvbonymon2059]

Thanks Sir... Explained very well... Subscribed for more videos...

[@bbh6628]

Great video

[@savree-3d]

Thanks

[@nitroxssss]

Thanks and i have a question. Does the control rod inside the shaft rotates with the shaft or not?

[@verminer7]

Could you please do another type or design of cpp?

[@yuvirajput8965]

Superb sir I love it Really helpfull

[@akshayvmakshayvm9353]

Good and helpful video ❤️👍

[@savree-3d]

Thanks 😊

[@mimounelamrani5453]

Great content Could please explain to us how the od box works with the cpp Many thanks

[@imranla3619]

Hi, may I know what is the best software to use for propeller designing ?

[@ChristopherHuelsman-i8p]

I’m dealing with a situation where while maintaining pitch, the hub servo oil pressure increases overtime .

[@omerfaruk7451]

Thank you so much!

[@wstcawu]

Thank you

[@gvdilshan7555]

Plz do on bow thrusters❤️❤️❤️❤️❤️

[@savree-3d]

It's planned!

[@melvinchristiansson7720]

What materials is this CPP made of?

[@isimioluwasuyi-dw4ht]

That rotation bit on changing the pitch is Propriety information. Right? 🙂

[@hamisimatano7496]

Hi am amso from Kenya we want to change the seal of a propeller but we stack

[@NikolaiMihov-l1u]

Brilliant

[@gladwinthomas624]

How the vanes are lubricated?

[@chandrashakhernogia8712]

Sir what is the feedback for electrical signal control in this CPP

[@سجادزارعی-ي2ع]

its very good tanks how application used to design animation?

[@eflaaten]

Nice! What software is this?

[@canunal6048]

İs this one action or double acting piston ?

[@meridianhopper1315]

In forward motion, which pitch is the most efficient? Shallow pitch or a greater angle of attack? I hear conflicting answers from others.

[@abnormaalz]

The propeller blade is optimized for a certain Angle of Attack. This is the angle between the direction of the water flowing into the leading edge of the blade and the chord line (google angle of attack for a better explanation). The optimal AoA depends on the shape of the blade. The actual AoA depends on the speed of the ship moving through the water, the rotational speed of the shaft, and, of course, the pitch of the propeller blades. There is no single optimal pitch setting that can be used at all times, but there is a single optimal AoA.

[@musasky2274]

How can i get this propeller?

[@pankajdhaka4544]

Amazing

[@savree-3d]

Thanks

[@vaibhavmall8224]

Thx 🙏

[@aquashots24]

good one!

[@savree-3d]

Thanks!

[@ekorobianto8408]

WOW, what's name aplication ?

[@naveenharish7151]

Please explain flash point and fire point

[@savree-3d]

Will add it to 'the list'. Nice Peeky Blinders avatar.

[@vardhaniattili4724]

Nice

[@vaibhavmall8224]

Thx

[@boris2997]

Who ever invented that is a genius,

[@hossamkhalil6699]

gooooooood thank yooou

[@ryanb7540]

How do we subscribe to get full access to all your videos?!

[@savree-3d]

Visit courses.savree.com

[@paulstephen100]

👏👏👏👏👏👏👏👏👏👏👏👏

[@larrys1996]

I have a better way to change pitch, can interface with electronics and act like automatic transmission. you did very well

[@Vermllon]

ALLAH RAZI OLSUN ABİ

[@Storyideas81]

Your accent is cool. Are you Australian?

[@savree-3d]

English, everyone thinks Australian though. I speak German and people say I sound Dutch. Can't seem to get it right! 😀

[@roseelectronics4582]

@@savree-3d though you sound totally English to me. Never thought you're Australian.

[@gihanabesinghe3910]

Better explain for the cpp

[@Seatechnavy77]

22 Co pilot

[@WilliamJones-e3q]

Botsford Loaf

[@ByronClara-h7f]

Kling Crossroad

[@suggesttwo]

First 5 minutes explain how fuel action piston works.

[@loganosmolinski4446]

Boop

[@drevil4454]

Get the parts wrong and you'll stay in one place.