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Your 3674 2250 on 4S will put your 24" tunnel on its back more than running on its sponsons. Don't even consider 6S. Not what you want to hear but what you need to hear. 3S not a racing class will work better. 4S with a smaller 58 or 60 mm length around 2000 kv. As mike said 40-45mm props will work well.Mic
Your 3674 2250 on 4S will put your 24" tunnel on its back more than running on its sponsons. Don't even consider 6S. Not what you want to hear but what you need to hear. 3S not a racing class will work better. 4S with a smaller 58 or 60 mm length around 2000 kv. As mike said 40-45mm props will work well.
Mic