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K'Nex Pull Back Motor Gear Generator Animation corrected for 0-9 gears

281 views · Published 13 August 2018 · 3:15 · Indexed 20 September 2026

Channel: GrandadIsAnOldMan · 2018 · Science & Technology

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K'Nex Pull Back Motor Gear Generator Animation corrected for 0-9 gears. In the previous version I was short of one gear and had the numbers of teeth wrong so I have made the corrections. I just thought this was interesting to watch so I added some music.

Originally inspired by this request by Jenny Johnsson "Hi! Could you please try and explain a pullback motor for kids? Thanks ☺ "

I may still not have got this at the right level for kids :-(

Gears 0-8
https://geargenerator.com/#200,200,50,10,0,6,1415277.7,9,1,24,6,4,27,-90,0,0,20,5,4,27,0,1,0,20,5,4,27,-50,2,0,24,6,4,27,-25,3,1,33,8.25,4,27,0,4,0,16,4,4,27,-130,5,0,16,4,4,27,-185,6,1,20,5,4,27,-420,7,0,24,6,4,27,-180,0,0,2,1561

Gears 0-9 (after closer examination the K'Nex pull back motor)
https://geargenerator.com/#200,200,50,1,1,7,1416338.900000247,10,1,22,5.5,4,27,-90,0,0,16,4,4,27,0,1,0,18,4.5,4,27,-50,2,0,22,5.5,4,27,-25,3,1,40,10,4,27,0,4,0,10,2.5,4,27,-130,5,1,16,4,4,27,-185,6,0,10,2.5,4,27,-505,7,1,16,4,4,27,-180,8,0,22,5.5,4,27,-180,0,0,2,-119

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