3d printed housings for unions which distribute equal pressures to each of the two rams to elevate and depress the gun cradle. Supply to each distributor will also have inline "flow control valves", which will slow the movements as required. I'm currently looking at designing a further valve to allow for "fine tracking".
If it all goes as I hope, it'll be possible to film from the rear-gunner's position in flight, and to try and track a trailing aircraft looking through the working miniature reflector gunsight as if you were seated therein, via an FPV camera.
The front turret will have a wider angle view set back, to allow a more general view of the turret and outside world.
I'm finding learning about the pneumatics side absolutely fascinating!
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