GREAT PLANES Spectra Manual de instruções - Página 6

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4. Join the rudder to the fin using the following procedure:

A. Drill a 3/32" [2.5mm] hole, 1/2" [13mm] deep, in the

center of the hinge slot. If you use a Dremel

this task, it will result in a cleaner hole than if you use a

slower speed drill. Drilling the hole will twist some of the

wood fibers into the slot, making it difficult to insert the

hinge, so you should reinsert the knife blade, working it

back and forth a few times to clean out the slot.

B. If the hinges don't remain centered, remove the rudder

and insert a pin in the center of the hinges.

C. Attach the rudder to the fin using three hinges. Make sure

there is approximately a 1/64" [.04mm] gap between the

rudder and the fin.

D. Add six drops of thin CA to the center of the hinges on

both sides. Use a paper towel to absorb excess CA from the

hinge gap before it cures. Do not use CA accelerator;

allow the CA to cure slowly.

5. Use the same hinging method to join the elevator to

the stab.

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6. Position one of the nylon control horns 1/2" [13mm]

up from the bottom of the rudder. Align the horn parallel to

the bottom of the rudder. Drill two 3/32" [2.5mm] holes

through the rudder using the horn as a guide. Harden the

holes using two or three drops of thin CA. Attach the nylon

control horn to the rudder using two 2mm x 15mm screws.

Tighten the screws into the horn back plate on the opposite

side of the rudder.

7. Position the remaining control horn in line with the

center of the fuselage on the bottom of the elevator. Attach

the control horn to the elevator using two 2mm x 15mm

screws. Tighten the screws into the horn back plate on the

opposite side of the elevator.