wow - thanks for the complement fook; i suppose at one time or another every 1 has weird and wacky idea's lol

 

But yeah, my spelling sucks; ill get there yet tho lol

So if we mix Teddy's theory of magnetic pistons and Fook's advice about less energy to push in one direction - then how about a magnetically pulse driven rotary - where each of three magnets pushs the rotor in succession - or more magnets - so it will provide drive much like the Tower of Terror ride at Dreamworld

But again, even a rotary engine doesn't do a perfect circle, well not exactly anyway, so more energy than necessary will still be lost.

 

The reason behind why the design principles are different for an electric motor vs a combustion engine is cause of the way the movement is obtained.

 

In an electric motor (using electro-magnets), the movement comes from the pulling power (attraction) and pushing power (repulsion) between the magnets and brushes.

 

Compare this to a combustion engine where the movement comes from the expansion of the gases in the combustion chamber. That's why piston engines are designed the way they are (expansion pushes the piston down) and again the same with rotary engines (expansion pushes the rotor around).

 

If you designed a combustion engine completely round (like an electric motor), it wouldn't work at all because the expansion of gases wouldn't push anything anywhere, unless you made it also vent the gases sideways like little jets or something...

I have thought up a new idea, but i will post it 2 morrow when i have fixed up the bugs in the design best to my ability !

 

Idea : Pre Compressed Air fuel mixture which is put into a spinning star fish shaped rotor :D :unsure: