After Eurobricks member @Seasider requested whether or not the brand new gearbox components would permit for a transmission tunnel, the thought sticked with me. So I began designing my first 8-speed gearbox, or in actual fact 8-speed transmission tunnel. All axles, together with the management axles are aligned in a 3×3 tunnel. It has 90-degree limiters for all management axles and a 8<->1 gearblock. To reduce friction, clutch gears are solely used for participating with driving rings, not for transferring drive over axles operating at completely different velocity. I believe the top result’s one thing particular. I used 16t gears to move management from the principle management axle to the secundary management axle. Theoratically knob wheels would have been higher, however in observe the 16t gears function rather more clean and the 90-degree alignment of the management axles continues to be good.
The gearbox consists of two serial gearboxes. The ratios of the first gearbox are: 1:1, 5:4, 5:3, 25:12 and the ratios of the secondary (low-high) gearbox are: 1:1, 25:9. Together that makes: 1:1, 5:4, 5:3, 25:12, 25:9, 125:36, 125:27, 625:108, or 1, 1.25, 1.67, 2.08, 2.78, 3.47, 4.63 and 5.79.
The overal in-out ratios could be simply modified although. The major gearbox and the secondary gearbox are related with a 16-16 gear mesh within the heart of the gearbox. This could possibly be modified to a 20-12 or 12-20 mesh, which might multiply all velocity ratios by 20:12 or 12:20 respectively.
Thank you very a lot @1963maniac for making wonderful constructing directions for this gearbox.
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