GREAT PLANES ultimate! Instruciton Manual page 22

Biplane arf
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2. Locate the 1/8" x 6" [3 x 152mm] hardwood dowel.
Apply epoxy into the holes and on the dowel. Insert the
hardwood dowel into the hole. Cut the dowel flush with the
surface. Do this for all four holes. Apply a few drops of thin
CA to fuelproof the ends of the dowels.
3. Cut out the Fuji-IMVAC BT-43 EIS mounting template from
page 33 of this instruction manual. Tape the template, aligning
the marks on the template with the lines on the firewall.
4. Drill a 1/4" [6mm] hole through each of the marks on
the template. Insert a 10/24 [5mm] blind nut into the holes
from the back of the firewall.
5. Included in the kit are four 1/2" [13mm] aluminum
spacers. Install the engine to the firewall with four 10-24 x
1-3/4" [5 x 44mm] socket-head cap screws, #10 [5mm] flat
washers and #10 [5mm] lock washers. Position the spacers
between the engine and the firewall.
6. The distance from the firewall to the engine drive washer
will be approximately 7-1/4" [184mm]. When installing your
brand of engine, there is latitude in the exact positioning of the
engine. As long as the distance from the firewall to the engine
drive washer is between 6-3/4" [171mm] and 7-1/4" [184mm]
the cowl alignment will be correct.
22

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