[superek4]

Becoz most cheap china motors are 2 poles n they dun last n runs hot.

Hw has the cheapest 4poles motors n they are 90% efficient.

5s n 6s is fine except it's heavier n will be heavier one side.

I was racing with 6s 5000 now down grading to 4s 4000 to be lighter.

5-6s is abt 600-800grams