The clutch gearbox car
Engineers (Advanced), mission M3 Gearboxes: How Cars Go, lesson 2 of 6.
Hook
Driving rings let you change gear without grinding. How?
Fair test
Time 2 m runs in each gear on the flat. Record speed per gear.
Bonus challenge
Shift on the move like a racing driver. Smooth or jerky?
The build
- ⚙️ Clutch-Gear 2-Speed Car: Push the gear lever and a driving ring grabs a different gear: 1st climbs, 2nd races! (level 3 of 5, about 45 minutes, 18 steps)