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Old 03-28-2022 | 06:28 PM
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Airforce7
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Joined: Feb 2004
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From: Brentwood, CA
Default Pipe and airbrake removal
Made a little more progress today. Goal was to figure out how to get the pipe out and remove the air brakes. Pipe came out easily. It is well captured at the back as well as the front. All I did was remove the two bolts with a crescent wrench and 3mm ball Allen tool. To slip the pipe out I just pivoted it up and out along the top of the fuselage. Looked it over, dusted it off and found they marked "Top" on the bell mouth which is nice.

Next was to figure out how to remove the air brakes. At first it looked complicated, but after getting them out it seems very clever. A simple carbon fiber tube with some slots to guide the pins into position while a flap cut to the correct length keep the pins in the locked position. There really isn't a lot of room to service the airbrakes once the pipe is in, but I think one could do it at the field so long as the latter half of the fuse can be removed allowing access for pipe removal.

Here are some pictures of the disassembled parts:


Pipe bell mouth close up

Right bolt mounting position, second hole, looking from the bell mouth side

Left bolt mounting position, second hole, looking from the bell mouth side

Removed pipe

Pipe marking

Close up of airbrake hinges

Airbrake hinge (close up)

Left airbrake horn

Airbrake hinge detail (close up)

Fuse detail of airbrake area

Flex plate and hinge detail

Airbrake (removed)

Additional fuse markings

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