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In lugnet.technic, Geoffrey Hyde writes:
> The sun/planet concept is fairly simple, I believe early automatic motorcar
> transmissions used them. The more recent ones use a variant similar to the
> hydro-electric power plant.
Planetary gears are still being used as maintainance-free transmission systems
for bycicles, build inside the back nave. They work very well, I own a bike
that has 7 gears crammed inside a ±10 cm diameter hub.
Greetings, M. Moolhuysen.
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Message is in Reply To:
 | | Re: My Lego planetary gear
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| That alternative implementation gives me an idea. What about putting gear wheels around on arms sticking out at various angles and held together by structural Technic parts, and having various combinations meshing with each other? The only problem (...) (24 years ago, 4-Oct-00, to lugnet.technic)
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