Extreme Flight YAK-54 ARF, Инструкция по эксплуатации

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50. Slide the cowl into position. You should allow at least 1 inch
clearance between the cowl and spinner backplate for maximum prop
efficiency. This means the rear of the cowl will extend beyond the F1
former by about ¾”. I like to place a strip of Blenderm tape across the
top front of the hatch that will fit under the cowl to keep the paint
from getting scuffed. I also apply a strip of Blenderm across the
bottom of the fuselage in the same location to prevent the cowl from
chafing the Ultracote.
51. Use a few pieces of masking tape to secure the cowl in place and view
it from several angles to insure that you have it properly aligned. Use
a felt tipped marker to make alignment marks to insure you are
drilling into the center of the mounting block. Install the 3mm blind
nuts in the back of the cowl mounting blocks and secure the cowl with
3mm bolts and bonded sealing washers.
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