Acting In Turn - Gears | Shell Historical Film Archive

[@shell]

If you enjoyed this video, please check out the full 'Shell Film Unit - Historic Archive' playlist, where you'll find lots more gems! kzbin.info/aero/PLEPIVJVCFQH2hoYONdHiQlVrvYQ-k4Xay

[@turdferguson4124]

Very interesting video. One quibble is with terminology. Gear sets cannot increase or multiply power. They can multiply torque, but not power. They can increase torque with reduced RPM, or reduce torque with increased RPM. But the power after a gear set is the same as before the gear set (minus losses due to friction).

[@NoosaHeads]

Well said.

[@davidcouch6514]

I was in Rotary International; I read in their history that some Engineers advised the Organization that the revised Gear Seal would do no work, and Professional Advice was enlisted to correct the issue in a new Version.

[@woollamiainternationalfilm5285]

Fair enough but, power is a more easily understood term. It widens the reach of what is an educational resource.

[@jimeditorial]

Outstanding film.

[@itsamemario8014]

It was outstanding but some kind person went outside and escorted it inside so it could be instanding, they're now looking for a chair for it so it can be insitting.

[@aureliobrighton1871]

Pretty high gear ratio, calls for lubricant now and then 😯

[@borntoclimb7116]

Jup

[@ypaulbrown]

wonderful film. thank you Shell.....

[@NoosaHeads]

Superb. Loved it.

[@borntoclimb7116]

I like those old documentarys

[@aureliobrighton1871]

Even one synchromesh gearbox seems like a wonderland itself. I have to gear myself deeper into that great topic. I see how Jean Tinguely got fully absorbed by it. Thankyou :)

[@kiwidiesel]

Just be sure not to get jammed in that gear topic 😂

[@aureliobrighton1871]

Good advice is gold ... will buy new clutch bag for Eve 🌻:)

[@mitchelldakelman7006]

Great film, this is an updated version of the 1939 film TRANSFER OF POWER. In the US, it was LEVERAGE, with the Harlow Wilcox narration.

[@danlistermann9960]

At about 12:27, it says that "one wheel with the cutting teeth of the correct profile, generates the same shape in a blank wheel, so vast numbers of identical wheels can be cut." While hobs (cutting wheel) can cut "vast numbers of identical wheels," and the shape of the cutting wheel needs to be "the correct profile," the cutting profile is never identical to the cut profile. The cutter profile is usually straight, whereas the cut profile is curved. A tooth profile is not formed to look like the cutter's profile, but rather a generated curve, specific to the number of teeth in the gear. A hob can be used to cut a wide range of tooth numbers, ranging from about 14 to infinity., each curved to a specific tooth number. count. There are tooth cutters that are straight like a rack, where the blank is "rolled" by the cutter as it reciprocates up and down generating the tooth profile. See "Maag" gear cutters.

[@TriumphT100T]

Enjoyed the video. Love the idea of gears being discovered, not invented.

[@mhick3333]

Great presentation

[@bwfvc7770]

WOW, the Outro Was WILD!

[@sandeeprane748]

Very interesting video

[@PaulPassarelli]

50 years ago. Wow.

[@Śiśna3633]

They missed the gears used for calculating, from Antykthera mechanism, Pascals calculator to Babbage's analytic engine.

[@timwhiskerd2133]

I learned you can increase power with gears... 🙂wow the sky's the limit...

[@BASE5NYC]

This is like a 70s version of Modern Marvels

[@deHakkelaar1]

Now I have to boot up Ralph Steiner Mechanical Principles

[@amjad268]

Why u made this in dark ?

[@clivelee4279]

Interesting video, but the whole thing I found shot very poorly lit .

[@hemeshRC]

Can you guys make the star wars cars in shell racing usable again? It kinda sucks having a darth maul lambo but not being allowed to use it.

[@tonywright8294]

English ?

[@georgegeorgakopoulos5956]

Don't know if it's true,but someone to told me that 1000000 rpm was achievable between mating gears in laboratory before WW2,(in Germany)

[@ronnieboucherthecrystalcraftsm]

GARBAGE = a turbo shaft rotates at about 130k rpm = your crackers !

[@dennisliebig7622]

2:30

[@dawright1988]

“A horizontal horse”

[@NormanCzerski]

There is no such thing as an involute curve as standard "involute" gears are generated from rack. However, one gear can be made to turn in velocity by adjusting the teeth face of the other. Epacyclodial curves, etc, are a perception of ignorance.

[@chamberizer]

It is my understanding that Roller Chains are more efficient than gears & that is why race motorcycles still use Chains. Victoria brand motorcycles used chains in.their gearbox instead of gears. Cycloid gears are used in Model T cars. It might be because Henry Ford liked working on watches & at the time most watches used Cycloid gears - that is just a guess? I have been told that the center distance between gears is more critical, when.using Cycloid gears as compared to Involute gears?

[@ianrichardson8865]

It is true that clocks use cycloid gears and that the distance between gears is critical. It's also true that cycloid gears work better when the driving gear is larger than the driven gear - which is as they are in clockwork.

[@chamberizer]

@@ianrichardson8865 Thanks for the information

[@dukenukem8381]

ADD MORE SPOKES! oh wait wrong video......

[@Deshbhakt-hx9du]

❤🎉🎉😂❤❤❤😂🎉🎉😂❤❤😂🎉🎉❤❤❤😂🎉🎉

[@tomhankstomhanks2579]

Electric car doesnt need gears any more 😂

[@kreepingdeth198]

What you meant is a transmission full of gears. Most still use some kind of gears.

[@charlenemartin5899]

Like this she'll company, but loseing 1000 stations buy 2025 to accommodate to all evplug ins and totally eliminate the gas servi g citizens who are unable to afford the ev vehicles of car or truck is about the most ridiculous move you are going to do .I live in California and I like the gas I put in my 2017 nissan sentry car. I cannot afford to even think about owning an evvehicle your going to distroy peoples lives who are unable to afford them obviously you are onbiden upside down mind .I am not going to buy one and they are hoing to csuse so much wrong on u.s.citizens.stop bring greedy in this. It's so wrong

[@UQRXD]

Awful.