Quote:
Originally Posted by BrianG
That is a tricky one. Any BL motor small enough to have less power will probably also heat up because it is too small for the job. You could take a page from Novak's book in what they do with their HV line and use a smaller diameter motor and just spin it at higher rpms. So, something like a 380 size motor with a kv that will get you ~50k rpm at whatever voltage you run. Then, just gear it down. Will take a bit of figuring to determine the smallest gearing possible so that you won't be cruising at 80mph, lol.
How about a Neu 1112/1.5D on 3s? That will put the rpms at around 54krpm when wound out. From Griffin's graphing program, Neus retain pretty good efficiency up to around 57k rpm. And anyway, you won't be hitting that max rpm unless you are at WOT, which most people aren't most of the time.
|
As I stated in my first post, that actually will not result in less torque. Novaks have A TON of bottom end torque, and I am sure a neu 1112 will too because it is also slotted.
Anyways for speeds of 25 mph the Tekin 632 is your motor. You will easily be able to gear for 35 or 40mph on 3s (whenever you like) but no matter what gearing the initial torque will still be roughly the same, which is what you want. In fact, I've run a neu energy 4s 4100mAh 30c pack through this motor (overkill) and it was fast, but bottem end was still easily manegeable.