I looked those over very well before I begain building. But you can never get too many ideas.
I got the kit instead of the arf so Nothing was installed. I have had a lot of fun putting this togather.
I bought Jet Model Products Air accumulator for the doors and the gear. distributes equal air to each component at the same time.
I am also using the JMP sequencer for the gear and doors. Using a JR 10X with the DS-8711 servos on the horozontal stabs.
p-70 for power.