TechnicBRICKs: TBs TechTips 003

Friday, December 21, 2007

TBs TechTips 003 - GearBox 10

Today at TBs TechTips section, I decided to bring another Paul (formerly referred as S.Ariel here at TBs) construction.
It is a '10 speed LEGO manual gearbox', whose MLCad file and functional explanation details can be seen at his Brickshelf folder.
It ranges an impressive 81:1 to 1:7,72 input/output transmission ratio.

At the Brickshelf folder there can be seen images, with the gears (marked blue) that are driving the mechanism for each transmission ratio. Like in the example below for gear 6 selection.

Also below, the video for this gearbox implementation, in action with real bricks.
Look how the 'thin 1x2 white THECNIC liftarm' rotation speed varies, as the gear ratio selection changes.

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