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Banbao Lego cable car: Gear investigation









Completion date: April 24, 2020

Observation:
- the gear ratio is 8:24:24:40:40:40=24:24, meaning speed times is 1:3:3:5:5:5=3:3
- the action is slowed when going from small to big gears.
- 2 identical gears on one axle.  It is to displace the gears so the motion can be passed on from the width of  motor to the width of the cable car station. However this could also be done if you have a thick gear.
- 2 different gears on one axle (40=24).  At 40-teeth gear, the motion speed was 5 times slower, and this speed is passed on to a 24 teeth gear.  In this case, I think the speed wouldn’t change on the 24 teeth, it is still 5x slower.  However, it would become interesting if another 40-teeth is put next to this 24-teeth. It would become even slower, but what is the math there?  How much times slower?  Would it be 5*(40/24)=8.33x slower than the first 8-teeth gear?
- two groups of gears (left and right) are now connected by one long axle. The motor turns both left and right groups, so even I took the axle out the thing still works the same.
- I reconnect the left and right gear groups with the long axle.  Then I take the right side’s gear out (the one that is on the motor), the whole thing still works the same.



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