Electric SPAD Trainer Design - RC Groups

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I had the HobbyKing Spitfire: Id like to take its motor, ESC and battery (Zippy 1300 mAh 3S 20C) and build a Spad using this powertrain. Ive discovered: All you need to do is specify the wingspan and the calculator provides you with the dimensions of the aircraft. Is there a way to use the kV rating of the motor (1950 kV) to figure out the power of the motor and then power loading and the wing area and span? Thanks Hello,I havent flown RC in a few years and I want to get back in.I had the HobbyKing Spitfire: https://hobbyking.com/en_us/spitfire...665mm-pnf.html , but the airframe is damaged beyond repair.Id like to take its motor, ESC and battery (Zippy 1300 mAh 3S 20C) and build a Spad using this powertrain.Ive discovered: https://rcplanes.online/design.htm , which seems reasonable enough.All you need to do is specify the wingspan and the calculator provides you with the dimensions of the aircraft.Problem is, Im not sure what wingspan to use? Do I use the 665 mm (~23 inches) of the Spitfire?Is there a way to use the kV rating of the motor (1950 kV) to figure out the power of the motor and then power loading and the wing area and span?Apologies if this has already been explained in other posts.Thanks

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