MegaTech R/C Real World Helicopter Series Uživatelský manuál stáhnout pdf (Strana 32)

Sig

Mfg.

Somethin'

Extra ARF

he Somethin' Extra has been providing Sunday fliers with a whole lot of fun for quite some time. Since Sig

first introduced it in kit form, its good looks and outstanding flight performance have made it a favorite at RC

__ flying fields all over the world. Now you can get it into the air more quickly than ever. The almost-ready-to-fly

(ARF) Sig Somethin' Extra is the spitting image of its predecessor. It has the same strong, lightweight design and

flying capabilities of the original, but this one comes 90 percent built, right out of the box. The Somethin' Extra ARF

is expertly covered with Oracover and is offered in two color schemes: white and bright red and white and violet.

WHAT'S IN THE BOX?

Like many of today's high-quality ARFs,

the Somethin' Extra comes with just

about everything you'll need to get fly-

ing except the radio, engine, prop, fuel

tubing and pilot figure—which is, of

course, optional. The major components

come built up and already covered. In

addition, the package includes color-

matched fiberglass wheel pants, wheels,

sturdy aluminum landing gear, a clear

molded canopy, a fuel tank, an engine

mount, a spinner, tail-support wires and

a unique tube wing-mounting system. It

also comes with a complete hardware

package of high-quality parts and an 18-

page assembly manual filled with plenty

of photos, sketches and detailed assem-

bly instructions. This is a first-class

package that's built to the high-quality

Sig kits.

ASSEMBLY

Before you begin assembly, cover your

workbench with an old blanket or foam

pads to prevent denting or scratching the

precovered parts. Remove any wrinkles in

the covering with a cloth-covered heat iron.

You can also use a hobby-type heat gun to

reshrink the covering, but you must be very

careful around any seams or color joints.

Reheating seams will cause them to "creep,"

and this can make them unsightly. This is

especially true with the Somethin' Extra's

trim scheme and pinstriping.

WING

Assemble the wing first. The two wing pan-

els are practically ready to use. You have

only to install a servo in each panel, hinge

the ailerons and attach the control horns

and linkages. The CA-type hinges have a

die-cut center slot that, according to the

instructions, is supposed to be used to cen-

ter the hinge equally into both the wing

panel and the aileron. Here, I chose not to

follow the procedure presented in the man-

ual because I felt that placing the hinges

with the slot parallel to the hinge line, as

instructed, would have left each with an

effective hinge width of only about M inch.

Instead, I oriented the hinges with the slot

perpendicular to the hinge line and used a

pin to center the hinge. This not only uses

the full width of the hinge but also allows

the Zap CA to wick along the slot and into

the wood.

The Somethin' Extra's plug-in wing panels

are a nice feature; you usually see them only

in much larger planes. This obviously elimi-

nates the need to glue the wing halves togeth-

er, and having the wing in two pieces makes

for easy transportation and storage. The wing

halves are slipped onto an 1/16-inch-diameter

aluminum tube and are held in place with a

no. 64 rubber band looped over J-hooks

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