Originally Posted by
w8ye
15 X 4W will give better thurst
Originally Posted by
coleboom
Not to be picky but this engine should turn 15x6 or 16 x 4
smaller pitch or prop diameter would be leaving unused power on the table
15 x 4 wasn't even enough for my FA-91S CDI. It turned over 10K static & that doesn't leave enough cushion for the 11k redline.