Hi @DudeInCorner ! 
Welcome to the forum!
I’m the main admin here with little technical expertise. How have you found us?
The easiest way to get your 20W would be to just stick a DC generator with a turbine on a large lifter kite line.^^ Very boring though and not really a challenge.
Don’t underestimate soft kites!
@kitefreak the kite messenger is a great idea!