enoob wrote:Other than a CA to see whats happening when i ride and sending one to thud (still not kidding T) i consider the best "test" to be real world. bolt it to a bike ride and see what happens. bench testing only tells you what happens on the bench not to say i wont bench test BUT how fragile is it ? 98.9 percent efficient and 20Nm per pound is great and all but what if the first bump in the road or the kick stand melting through ashphalt tips the bike and the motor bends ? wheres your efficiency then huh ?
That's why I added the "practical" clause....
Miles wrote:How about:
Over 4Nm continuous torque per kg of motor weight.
Less than 3kg in weight.
No energy input other than that to the motor itself.
Capable of practical use on an electric bike.