On 4S? I'd go with a 1515 which is effectively what the Flux runs. A 1520 or 1717 you'd really have to gear up to get speed out of them on 4S. 1518 is probably a compromise as it requires less gearing but it is still closer to the 1520/1717 than the 1515. Run the numbers though Script Asylum's rc calc (
http://scriptasylum.com/rc_speed/_top_speed.html) and see what the rough numbers come out too.
Quote:
Originally Posted by RC-NUT
Nice! Thank you. I just spent some time on the Castle site reading about those motors. Your right I can't beat that price.
If I were to stay with 4s can you tell me what the difference would be between the 1518 / 1520 / 1717? I'm guessing the 1518 you suggested would be a little faster because it has the highest Kv rating. I'm also guessing the other 2 motors would shine better with 5s or 6s?
Am I in the ball park? The 1717 is also physically larger so I wonder what effect that has?
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