This is a great little fan for free flight or rc use. As it is it can be used with 20 in wing planes. Can beoperated with a simple on off switch (also see brushless jet 40 brushless)

Item #GWEDF4001
USD$ 14.00

GWEDF40R
(Rotor only) $8.00

Item # GWRM 01
(replacement motor only) $10.00

Item # Feipen
(Feigao Brushless Replacement motor)
$ 36.00 in stock 70/07/06