New link Rev2: 136-75
How to determine the kv ?
Loaded : 13s (56.4v) 46kg of thrust at 4630W @2803rpm = 51kv ?
No load kv = 4914/56.4 = 90kv ?
Yes good thrust but low speed 13s: can we go 14s ?
2803rpm x7x0.0254/60*3.6 = 24.9 kmph no slip x 0.8 = 20kmph realistic
https://www.aliexpress.com/item/3256804444097154.html
The prop ref/spec has been erased:
