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To: cymbeline

I’d think the two bevel gears would have more friction than a chain. Can it shift gears?

= = =

Yes.

Chain drive 1-4 % friction loss.

Shafts about 20-25 % friction loss.

Unless it is easier to hide battery powered motors in the shaft design????

Now the gear shifting may be more continuous with the shaft design, kind of like a CVT transmission. But is that worth the friction loss?


50 posted on 04/01/2022 12:21:46 PM PDT by Scrambler Bob (My /s is more true than your /science (or you might mean /seance))
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To: Scrambler Bob

“Chain drive 1-4 % friction loss.

Shafts about 20-25 % friction loss.”

Ouch! There are a lot of bevel gear assemblies out there. Those must be more efficient.

https://www.surpluscenter.com/Power-Transmission/Gear-Reducers-Gearboxes/Gearboxes/

Also see power transmission category on the site.


51 posted on 04/01/2022 12:48:46 PM PDT by cymbeline
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