19
Assemble the Tank Stopper & Fuel Tubes:
The orientation that the “fill”, “Vent-Muffler”, and “Carburetor” tubes
are placed in the stopper holes is a matter of preference. They are gen-
erally oriented to provide easy fuel-tubing access to their respective func-
tions within the cowl. A typical arrangement is shown in the picture (be-
low-left). The two tubes that are bent: 1) up (vent), and 2) downwards
(fill) should be near, but not touching, the inside top or bottom of the tank
respectively. Prebend, then slide the tubes through the rear stopper-
plate, then through the stopper holes, and then slide on the front stopper
plate. Place the bolt through the front-plate, then through the stopper,
and screw it into the rear plate. Do not tighten at this time.
Add the silicon fuel pickup hose to the fuel tube. Add the clunk to
the other end of the hose. The length of the clunk-hose-stopper combi-
nation should be such that when the stopper is in place the clunk is about
1/8” short of the rear of the tank. This is to allow the clunk and hose to
move freely as the tank is moved to any orientation. Note that an
op-
tional
hose retainer-clamp has been added to the fuel pickup hose.
Final Assembly:
Slide the stopper into the tank-neck to check the fit and tube place-
ment. You may want to iteratively adjust the tubing lengths, bends, etc.
to get it correct. Remember to debur any cuts you make to the metal
tubes and do not kink the metal tubes. When satisfied, tighten down the
stopper screw to seal the tank, and be sure to mark what each tube’s
function is on the tank and on the firewall.
The tubes should stick out from the front of the tank about 1/2” to
3/4” to allow ample length to attach silicon fuel tubing. They do not nec-
essarily need to be even in length.
Step 7: Install Control Surfaces:
Gather the Ailerons, elevators and rudder, 30-minute epoxy, toothpicks, mixing cup,
masking Tape (Blue), the wing-bolt brace, clamps to complete the installation of the con-
trol surfaces and the wing.
Mark Fuselage Center:
Using a ruler or scale, determine the center of the bulkhead at the
rear of the wing-saddle area. Draw a center-line up the bulkhead as shown
left. Make sure the line is square with the fuselage’s wing-bolt plate. Some
builders like to fiberglass the bottom of the wing where the two wing panels
join. If you wish to do this, complete Optional step “WPFG-1” shown in the
“Optional Assembly Steps” at the rear of this manual”.
now prior to pro-
ceeding.
Test Fit and Install Ailerons:
Test each aileron by sliding the hinges into the wing hinge holes. Do
so on each panel. Interchange ailerons as necessary. Mix up sufficient
30-minute epoxy and place in wing hinge-holes as described in step 1.
Reinsert the aileron and check for up and down travel. The hinge gap
should be minimal, parallel, and free to travel.
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