Here is the second part on my mechanical calculator machine, focused on keyboard system.
Here is the first part on my mechanical calculator machine, focused on carry mechanism.
Good news for you ! The thousand time asked moc : Braiding Machine and Pneumatic Tractor are finally available as building instructions !
A motorized Christmas Santa Sleigh to wish you Merry Christmas !
One of my favorites car ! Here is a powerful motorized version with front drive wheel, steering, and rear suspension, powered by a lipo batteries.
My last module developed for Diemoz 2015 exhibition. Features a motorized tipper trolley with automatic end inverter.