That turned out great.

I have upgraded the model significantly including a sound effect, just for fun. [image: railgun.jpg]

Hmm. The Chinese have a saying "May you live in interesting times". In that particular use the word interesting is near to being a curse. Here are a couple of more renders of a planetary transmission. This is for possible use in an electric trike project that I have built and am experimenting with. The trike is intended to be a hybrid utilizing electric and petrol power as a true hybrid where the petrol engine operates as an assist to the electric system. Note that I am not in business not do I have any plans to start one. Any developments such as this are free for anyone to use if they think it worthwhile. [image: planetary1.jpg] [image: planetary2.jpg] This is the concept drawing of the trike: [image: etrike3.jpg] This is the actual development vehicle: [image: etrikem22.jpg]