Quickie Q2 Lite Construction Manual - page 158
CANARD CONSTRUCTION
INTRODUCTION
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The Q2 canard has a swept leading edge, swept trailing edge,
anhedral, a plain elevator which also effectively serves as a flap,
and, in addition to carrying about 65% of the aircraft's weight, also
provides the energy absorption (i.e. “spring”) for the main landing
gear that is mounted at the canard tips. It is a sandwich composite
structure with solid foam core, two layers of UNI at 45 degrees to
the trailing edge of the canard for torsional stiffness and surface
durability, and spanwise tapes of UNI for bending strength. Shear
loads are taken by a vertical shear web, and the elevators are
essentially fullspan, being actuated by an aluminum torque tube.
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The canard is constructed in one piece from tip to tip for
strength, lightness, and ease of construction.
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Because of these factors, the canard is more complex and more
critical than the main wing. However, the basic procedures are
identical, and the experience you have gained in completing the main
wing for your Q2 should allow you to construct the canard in the same
amount of time. You may wish to reread the chapter on the MAIN WING
to review the procedures.
CUTTING THE SPAR CAPS
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Begin by cutting the UNI spar caps using the suggested layout
on this page. Letter each one of them with a felt tipped marker for
identification later, in addition to marking a centerline in the
middle (where the cap will cross BLOO when installed on the canard.
Be sure to carefully roll up and store the spar caps after cutting to
prevent damage.
GLASSING THE ELEVATOR SLOT FOAM CORE SLOTS
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Construction begins by glassing the inside slot of the elevator
slot foam cores with 2 BID at 45 degrees to the spanwise direction
(i.e. T.E.). Knife trim to the edge of the foam core.
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Next, get out your hot-wire cutting equipment and set it up.
Take the forward part of each canard core templates, and nail them
back onto the already hotwired cores, being sure to check the level
lines and to weight down the cores. Then, hot-wire the 51-A-B-C H-I-
J-48 sections on all canard foam cores. Store the elevator slot foam
cores for later use.