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Airflow Systems: Difference between revisions
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*#Clamp the bulkhead to the fuselage. Center it left/right by measuring the edge distance at the bottom, should be some 24mm. One of the two holes near the center on the bottom edge will line up with the vertical tailcone strut. Now draw a line with the measured edge distance parallel to the tailcone bulkhead outer edge to outline where the AC bulkhead needs to sit, so it's centered and the left and right edge runs parallel to the outer skin. Use a level, make sure the plane is horizontal, clamp the AC bulkhead matching the marked up outline and check for being horizontal. | *#Clamp the bulkhead to the fuselage. Center it left/right by measuring the edge distance at the bottom, should be some 24mm. One of the two holes near the center on the bottom edge will line up with the vertical tailcone strut. Now draw a line with the measured edge distance parallel to the tailcone bulkhead outer edge to outline where the AC bulkhead needs to sit, so it's centered and the left and right edge runs parallel to the outer skin. Use a level, make sure the plane is horizontal, clamp the AC bulkhead matching the marked up outline and check for being horizontal. | ||
*#Attach the front bracket to the evaporator. | *#Attach the front bracket to the evaporator. | ||
*#Use wooden shims to align the evaporator with the inlet vent holes. The front bracket needs to sit on a shim (about | *#Use wooden shims to align the evaporator with the inlet vent holes. The front bracket needs to sit on a shim (about 0.675 inches) and the rear end of the evaporator needs to sit on a shim (about 0.98 inches). Make sure the evaporator doesn't sit too high as the pipe fixtures that stick out of the evaporator might then interfere with the J-stringer on the right side. | ||
*#Drill a hole on each side into the evaporator at the top hole of the rear bracket. Put an 8-32 nutsert anchor in, attach the rear bracket and mount the rear bracket on the shelf. | *#Drill a hole on each side into the evaporator at the top hole of the rear bracket. Put an 8-32 nutsert anchor in, attach the rear bracket and mount the rear bracket on the shelf. | ||
*#Make a new front bracket that is 0.675 inches taller | |||