Q2 Plans Chapter 13 Page 13-04
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- Category: Q-2/Q-200 Plans
- Published: Thursday, 18 May 2006 09:05
- Written by Quickie Aircraft Corporation
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CANOPY GUIDE PINS
..... To maintain the canopy in position, and to increase the fuselage stiffness in flight, canopy guide pins are installed at both the front of the canopy and the rear of the canopy. .....Begin by cutting the heads and shanks (the threaded part) off of two AN3-12A bolts. Next, round one end of each. .....Drill a hole through the left canopy stiffener within three inches of both the forward end and aft end of the left canopy stiffener. Permanently mount the square end of the bolt into the stiffener with flox. .....When the flox has cured, mark the location on the left longeron where each cutoff bolt contacts the longeron upon closing. Drill a 5/16" hole at each location, grease up the bolt and surrounding area with vaseline, fill the hole with flox, and close the canopy. Be very careful that the flox squeezeout does not permanently close the canopy! .....When the flox has cured, open the canopy and clean up any rough edges. AFT CANOPY SEAL
..... The aft canopy seal can only be fabricated and installed after the canopy/canopy frame assembly has been carefully fitted to the fuselage, with the hinges, latches, and pins in position. .....With the canopy in the closed position, place some grey tape along the outside fuselage skin at the seatback bulkhead location. This will protect the structure. .....Next, laminate a 4 BID seal around the aft canopy only. This lamination should extend aft along the fuselage shell a minimum of 0.7", and should extend forward along the top of the canopy to match the inside lamination that attached the aft canopy bulkhead to the canopy. Grey tape is used to protect the plexiglass and to provide a trim edge. .....After cure, remove the grey tape, and trim the sides of the seal as required to allow the canopy to open properly. SAFETY LATCH
..... Failure to properly secure the canopy latch prior to takeoff will allow the canopy to open in flight. The flight characteristics of the Q2 with a partially open canopy have not been explored. A safety latch is assembled to prevent this potentially lethal situation from developing. .....Make sure that you install this safety latch, even if you think that "It won't happen to me". .....This safety latch catches the canopy in case the pilot forgets to latch the main canopy latch prior to takeoff. To open the canopy, raise the canopy 2" and push in on the safety latch, thus releasing the latch and allowing the canopy to fully open. .....The illustration shows the construction procedures. This safety latch is located forward of the main canopy latch, so as not to interfere with normal operation of the main canopy latch. |
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