Introduction New hobby! (yes another).  I am in awe of 1:87 micro-modelling.  That is taking a 1:87 scale (HO train scale) vehicles and making them radio controlled.  Cars, trucks and construction vehicles are the popular conversions.  See the YouTube channel  Der Theoretiker   to see the exciting world of micro-modelling.  So instead… Continue Reading STM32 Custom OpenTX Transmitter

If a hypocycloid gearbox is driven quickly, the eccentric driving the cam will cause vibrations.  An easy fix for this is to drive 2 cams, mirrored in their action. This means the eccentric, needs to be a dual eccentric… As there are now 2 cams, this means twice as many… Continue Reading 3d printed Hypocycloidic gearboxes IV