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Old 11-28-2008 | 10:53 AM
  #180  
samparfitt
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From: West Chester, OH
Default RE: ROBARTS ZIROLI 92" ARF ASSEMBLY

Canopy (cont)

air valve:

pic 1:
Here's the air valve and servo (hs-225) to operate the functioning canopy (before gluing).

pic 2/3:
Epoxied into place.
I used hex head servo screws to hold the 1/8" thick ply valve tray to the two spare servo mounts that I put on end to hold the valve tray so I can remove it for future maintenance.
Since I'm only moving the canopy with this multi-outlet valve, I connected both outlets on each end to each other versus capping one outlet off with a screw.
I used Aux 2 for the canopy (top right front toggle on the 2.4 X9303 transmitter).
The servo doesn't have to travel very far (about 3/8" ), and the toggle is a 'two position' toggle.
I set the top end servo travel to zero so only the first position would move the servo and I figured that if I accidentally moved the toggle to the second position, it then wouldn't move the servo (and put a load on the servo).
The first position didn't quite make the air valve move far enough so I had to change the top end from 0 to about 5.
This takes up all my channels and I still have to design/install the inner cooler doors on the side of the fuse,
so I'm figuring I can connect the inner cooler doors to the cowl flaps.
After the inner cooler doors are installed, there will be 16 servos in this plane.

pic 4:
I made real long air lines that will run to the canopy air cylinders so, when I remove the canopy hatch, I can lay the hatch on the ground versus the wing (and probably scratching the aluminum).
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