Solve the Mystery of the Rabbit Tanaka Mini Orbiter

  • Thread starter Thread starter mjfish
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Discussion Overview

The discussion revolves around understanding the mechanics of the Rabbit Tanaka Mini Orbiter toy, specifically how the different components rotate in opposite directions despite being driven by a single motor. The scope includes mechanical reasoning and exploration of potential gear arrangements.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant seeks clarification on the toy's operation, noting that the top portion of planets spins one way while the sun and bottom planets spin the opposite way.
  • Another participant suggests that gyroscopic precession may be involved in the spinning motion, linking it to the rotation of the base.
  • A different participant expresses uncertainty about the mechanics, proposing that gears are likely used but questioning how a single drive shaft could facilitate opposite rotations.
  • One participant elaborates that a single shaft cannot achieve this, suggesting that concentric shafts could be the solution, drawing parallels to clock hands and car stereo dials.
  • The original poster indicates they have come to an understanding of the mechanics, acknowledging the use of a shaft within another but lacking specific terminology.

Areas of Agreement / Disagreement

Participants express varying degrees of uncertainty regarding the mechanics of the toy. While some propose ideas about gear arrangements and gyroscopic effects, there is no consensus on the exact workings of the Mini Orbiter.

Contextual Notes

There are limitations in the discussion regarding the specific mechanical design of the toy, including assumptions about gear arrangements and the lack of detailed technical specifications.

mjfish
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Please help me understand how this toy works...top portion of planets spins one way while the sun and bottom planets spin the opposite...both seem to be on the same drive...

The toy is no longer made but is called the mini orbiter by rabbit tanaka
Thanks
 
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I don't think so but not expert on that. It's a motorized toy so I'm assuming gears are used but not sure how a single pole or drive shaft can get rotating bodies in the opposite direction.
 
mjfish said:
I don't think so but not expert on that. It's a motorized toy so I'm assuming gears are used but not sure how a single pole or drive shaft can get rotating bodies in the opposite direction.
A single shaft can't do that. Concentric shafts can.
For examples you'll be familiar with, look at how the hands of a wall clock can move at different rates (They could rotate in opposite directions if the gearing was arranged differently) or the concentric volume and balance/tone dials on older car stereos.
 
Yes perfect I figured was a shaft inside another but didn't know terminology or much about that. Thanks for the input got it all figured out!
 

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