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** AIR RETRACTS: Slide W23 servo tray in the slots in W1 &
W2. Align with the plans and glue in place.
**AIR RETRACTS: Insert the air tank into the holes in the
front of W3-W5 at this time.
Fit W20 in the slot in W19, W8, W7 & W6. DO NOT GLUE
YET!
Align the other piece of 1/4" x 1/4" balsa to the plans and
mark it's location on W20.
Remove W20 and the balsa spar. Glue the spar to the bot-
tom of W20 as shown. Make sure that your marks line up.
Align the W20 assembly to the building board again and ad-
just for a good fit in W19.
Insert W9-W12 in W20. DO NOT GLUE YET!
Fit W21 into the slots in W3 thru W12
Pin W2 & W3 securely to the board. Align & glue W26 & W27
to W1, W2 & W3. You may need to lift the TE of W1 slightly
to match the angle of W26/W27.
Glue W2 thru W12 in place. Glue W21 in place.
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