Model Tech Mini Mach Racer Specifikace stáhnout pdf (Strana 11)

Page 11

STEP 3: INSTALLING THE COWLING

q When satised with the t and alignment, hold the cowling securely in place,

using a couple of pieces of masking tape.

q Drill two 1/16" (1.6mm) diameter pilot holes through each side of the

cowling for the wood screws. Position one pilot hole centred between the top

of the cowling and the top of the wing, and one pilot hole centred between the

bottom of the cowling and the bottom of the wing. All four pilot holes should be

1/8" (3mm) in front of the back edge of the cowling.

q Slide the cowling onto the front of the aircraft and align it. When aligned

properly, the hole in the middle of the cowling should be centred around the

motor shaft and the back of the cowling should t ush against the surface of

the aircraft. The cutouts in the side of the cowling should t over the contour

of the wing leading edges, too.

IMPORTANT You may need to cut a notch in the bottom of the cowling

to t around the front of the landing skid.

q Cut out the back of the cowling along its base, making sure to cut the back

edge straight.

q Using the moulded scribe lines as a guide, cut out the sides of the cowling to

clear the wing leading edges, then cut out the holes in the front and the bottom

of the cowling for the propeller adapter and the three cooling intake holes.

IMPORTANT Depending on the motor that you're using, you may need

to cut out more of the front of the cowling than shown.

q Remove the cowling and apply a couple of drops of thin C/A into the four

pilot holes and allow the C/A to fully cure.

q Install the cowling, using four M2 x 10mm washer-head wood screws.

q Install your motor, using four M3 x 12mm machine screws and four M3 at

washers, making sure to tighten the machine screws rmly.

IMPORTANT It's not necessary to use the two plywood spacer plates

with this type of motor.

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Model Tech Mini Mach Racer Specifikace Strana 11