Calculating gear ratios within a planetary gear set

Justin Miller

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Published 2015-02-20

How to calculate the gear ratio in a planetary gear set where one member is stationary

All Comments (21)

@jboy6944 5 months ago

Sir, 8 Years later, and this is still gold. Thank you. All these other guys make it so complicated.
@jacksonvanderkooy 8 years ago

I have searched the whole internet and this answered all my questions in 5 min thanks soooo much!!!
@endtimeawakening5557 1 year ago

Thanks so much for sharing this! This really simplifies it as opposed to other explanations. This makes planetary gears far less daunting. Thanks Justin!!!
@calipete 4 years ago

WHAT? You're not going to first make my eyeballs bleed with 30 minutes of riveting footage defining angular velocity? Thanks for the quick and easy explanation! I appreciate it!
@truth-12345. 6 years ago

So simple yet full of thought. Thank you for explaining this to us.
@NickGiamattiKeyWest 3 years ago

THANK YOU Justin! Absolutely fantastic educational video! Straight forward, and to the point! Extremely easy to follow..... and thanks to your Working Examples...... extremely easy to calculate & apply!
@danman281 5 years ago

I love the use of a real gear and your quick review of basics
@Ange1ofD4rkness 1 year ago

Plain and simple, and easy to understand. No "fancy" calculations that leave my head spinning
@adamsvette 3 years ago

Straight to the point simple and covered everything. Thank you very much
@simonbordier4194 1 year ago

Thank you! It's one thing to have the knowledge and a completely different thing to be able to convey it. You seem to posess both. Good job!
@leifahlman9636 3 years ago

Thank you very much, I have also searched the internet for this information. This was simplified and just great! Thank you!
@Daymianc 5 years ago

Awesome video. makes calculating ratios so simple, thank you
@jessechen998 6 years ago

thank you for this video, cos all the other videos i found were just a demonstration of how the gear set works rather than finding the ratio.
@blessed7fold 5 years ago

@Justin Miller This finally begins to make some sense to me, thank you. Very good explanation and video.
@Technoboy928 3 years ago

Thanks for explaining it in a very simple manner. Thanks a lot 👌
@anirudhat.s2254 4 years ago

Thank you .. I loved your content and the neat explanation!! Please keep making videos like this!!!😊
@minhavidavai 1 year ago

You're a great teatcher. Thank you. That's precisely what I was looking for.
@THEGOAT-uy9gw 3 years ago

finally, you explained this very nice and simple. thanks so much bud.
@patricksmith4424 2 years ago

Excellent, just what I wanted to know, thanks for posting.
@petergay2568 2 years ago

Simplest and best explanation I've seen!!