STEM-Multiple Speed Transmissions with Planetary Gears
Рет қаралды 20,788
Күн бұрынSchedule time with Corey: mentoredengineer.com/consulting/
Planetary gear systems are commonly seen in power transmission to gain multiple speeds. We will look at two systems that accomplish this: bicycle gearboxes and car / truck automatic transmissions.
@DerekMantei 2 жыл бұрын
Amazing content buddy!
@MentoredEngineer 2 жыл бұрын
Glad you liked it!
@imadyousufzai2998 Жыл бұрын
Nice and informative videos sir
@mohammadfarzankia2636 4 ай бұрын
Good job 🎉
@josephschaefer9163 3 жыл бұрын
I theorized a 31 speed trans with two ring, two planet sets, and two sun gears. Lots of shafts, hubs, and couplers to get all the outputs
@MentoredEngineer 3 жыл бұрын
That sounds incredible! What were the range of gear ratios between the input and output? I'd love to see a picture of the concept if you have one.
@Eddingtonification 3 жыл бұрын
Hi, I am Graeme John Eddington. Following is my KZfaq post of my Multi-speed transmission I have called: "Opposing Torque Dynamic Clutch" which is a type of Infinitely Variable Transmission (IVT) which I believe is ideal for your current applications. Please log on to my KZfaq video: kzfaq.info/get/bejne/iadzd65pnrubgIE.html
@josephschaefer9163 3 жыл бұрын
@@MentoredEngineer I have a napkin sketch. Each ratio has a separate equation. I did not finish calculating them all. I don't know what the gear spacing will be. With 5-100 tooth count range it was like 300:1 to 0.2:1 ratios. Ratios very close to 1:1 are possible. One is 1:1 locked straight through, 10 are reverse and 20 are forwards. I'd like to make a model to play with, there's probably no practical use except lathes
@josephfiacchi5705 Жыл бұрын
Dose anyone make an industrial version of this?
@leiladaquil6587 2 жыл бұрын
May i know how many planetary gear sets in 4 speed automatic transmission?
@MentoredEngineer 2 жыл бұрын
I do not know specifically. I assume you want 4 + reverse. I think that it could be done with 4 sets.
@timprussell 2 жыл бұрын
You might find this interesting. Technically this is 2 gear sets and one of those is basically dividing the input in to two ratios and then using those in an Ravigneaux planetary gear set. kzfaq.info/get/bejne/h855lrl-npOqY30.html
@BlackyBrownDestruction9337 3 ай бұрын
Bike cogs are easier to service and fix
@fukuokainternationaldemocr1974 Жыл бұрын
A masterclass in dreadful explanations!
@MentoredEngineer Жыл бұрын
How could I make this better?
@TekCroach 7 ай бұрын
Much explaining with words but less animation. 😢
@MentoredEngineer 4 ай бұрын
Cool. Most people like the animations, but they take a lot of time to develop. I'll do less in the future.
@bethoughtprovoking Жыл бұрын
Too much explanation and not enough illustration.
@MentoredEngineer Жыл бұрын
Thank you for the feedback
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