Seagull Models steen skybolt n250sb Assembly Manual page 11

COWLING.
Please see these below pictures.
Holes.
WWW.SEAGULLMODELS.COM
Because of the size of the cowl, it may be nec-
essary to use a needle valve extension for the
high speed needle valve. Make this out of suf-
ficient length 1.5mm wire and install it into
the end of the needle valve. Secure the wire in
place by tightening the set screw in the side of
the needle valve.
1) Carefully align the cowling on the air-
plane. The front of the cowl should be posi-
tioned so the crankshaft is in the middle of
the cowl opening. Hold the cowl firmly in
place using pieces of masking tape.
3x10mm.
2) Slide the cowl in position on the fuselage.
Use M3x10mm screws to secure the cowling
to the fuselage.
Needle valve.
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