Castle 2650 Motor on 6s Lipo

[fastbaja5b]

Ok, so to explain it to a dimwit like me, I have my SC8 with a Castle Neu 2200 geared for 40mph on 4s Lipo. If I go up to 5s Lipo, but adjust my gearing down so that I am still geared for 40mph, will my run times increase and amp draw decrease, or can you go too far as to undergear the motor?

[suicideneil]

Originally Posted by fastbaja5b

Ok, so to explain it to a dimwit like me, I have my SC8 with a Castle Neu 2200 geared for 40mph on 4s Lipo. If I go up to 5s Lipo, but adjust my gearing down so that I am still geared for 40mph, will my run times increase and amp draw decrease,

That is conventional thinking, yup, and most graphes & reports I've seen support it- more power in the system and less load on the motor should result in less current draw and longer runtimes.

or can you go too far as to undergear the motor?

Also true- there is obviously some le-way regards the perfect gearing but BL motors will tend to run hotter if they are underloaded, since they are able to hit max rpms quickly and stay there. I believe Patrick referred to motors liking partial throttle & escs liking full throttle for maximum efficiency too, so it figures that a motor running full throttle alot of the time will run hotter than the esc will- just gotta try and strike a balance between motor kv, motor size, input voltage & gearing- hence why this hobby is so damn complicated and frustrating at times