The Turnigy 2217 motor has been installed and test flown and all's well, having failed to make a note of it in my excitement to get the Phoenix 1600 up and running.
The Turnigy 2217 motor is the same size (28mm) and has the same shaft diameter (3.175mm) so installation is easy, except for two mounting holes in the Phoenix fuselage requiring slotting to match the motor mounting plate.
The motor mount is just a cross-piece without any backing plates, unlike the plywood mounts provided on the Phoenix's stock setup. Also, the mounting screws were tiny - undersized even for mounting only through the Phoenix's moulded fuselage, so I used some slightly longer screws to ensure sufficient engagement - I really don't want the motor coming loose during a flight...
Apart from that the motor works well - it pulls strongly and is quiet even at full throttle which is nice for a glider...
