MegaTech R/C Real World Helicopter Series Manuale Utente Scaricare il pdf (Pagina 33)

threaded into the root ribs—simple and neat!

FUSELAGE

The fuselage comes with the removable

canopy hatch in place. To remove the

hatch, simply lift it up at the front and slide

it forward. The locating dowel pin has

already been installed in the rear of the

hatch. There are 17 small openings in the

fuselage that are covered and should be

opened with a no. 11 hobby-knife blade.

The instructions show where all the open-

ings are. When that was complete, I test-fit

the wing to the fuselage and glued the

antirotation dowel into place.

Next, I prepared the fuselage to accept

the stab and fin by removing the spacer

blocks that protect the covered fillet blocks

at the rear of the fuselage. Since the cover-

ing material had already been removed

from the stab and fin in the areas to be

glued, it was easy to epoxy them into place.

Both the stab and have factory-prepared

holes for the tail braceOopened these with

a metal pick and installed the braces using

the provided hardware. After joining the

elevator halves with the prebent elevator

joiner wire, 1 hinged the elevator and rud-

der and attached them to the fuselage along

with the tailwheel.

1 added a Williams Bros. 256-inch civilian

pilot figure and attached the clear canopy

with the four screws and silicon washers

provided. The more I got into this project,

the more I realized just how much thought

went into making the Somethin' Extra user-

friendly. Most of the holes had already been

drilled, including those that accept the four

special shouldered silicon washers that help

isolate the canopy from vibration. (Do not

drop these washers; 1 speak from experience

when I tell you that they are extremely dif-

ficult to find.)

Next, I attached the wheels and wheel

SPECIFICATIONS

MODEL: Somethin' Extra ARF

MANUFACTURER: Sig Mfg. Co. Inc.

TYPE: aerobatic ARF

WIN6SPAN: 51.5 In.

WING AREA: 614 sq. in.

LENGTH: 48.25 in.

WEIGHT: 5 Ib., 7 oz..

WING LOADING: 20.4 oz./sq. ft.

ENGINE REQ'D: .40 to .46 2-stroke or

.56 to .65 4-stroke

ENGINE USED: Saito FA-56 Golden

Knight 4-stroke

FUEL USED: 15% Red Max

RADIO REQ'D: 4-channel w/5 servos

RADIO USED: JR XP8103 transmitter,

NER 549X receiver and five NES-537

servos

PROP USED: 11x7 Master Airscrew

STREET PRICE: $199.99

FEATURES: built-up balsa and lite-ply

construction; expertly covered with

Oracover; offered in two color schemes;

kit includes color-matched, painted

fiberglass wheel pants and all of the

necessary hardware; plug-in wing pan-

els; formed aluminum landing gear.

COMMENTS: this well-thought-out

ARF is extremely user-friendly. The

Somethin' Extra ARF is the spitting

image of the kit version, and It flies

just as great.

HITS

Excellent flight performance.

Great overall appearance.

Ease of assembly.

Complete hardware package.

MISSES

Hinge installation is incorrect (see text).

pan

bolted tne assemmy to tn

finish on the fiberglass wheel pants was

excellent; they matched the Oracover per-

fectly. Again, all the necessary hardware

was provided.

FUEL TANK AND ENGINE INSTALLATION

The installation of the fuel tank and engine

came next. I assembled the tank and

installed it in the fuselage. The shape of the

tank and the cutouts in the bulkheads

required that I insert the tank upside-down

and then rotate it into position. The

Somethin' Extra comes with a 4-piece

motor-mounting assembly, but I used only

the two beam pieces. I did not need the two

base pieces for the Saito FA-56 Golden

Knight 4-stroke that 1 chose to install. Other

engines may, however, require them.

I installed the Saito upright and fitted it

with an 11x7 Master Airscrew propeller.

JUNE2DD2 45

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MegaTech R/C Real World Helicopter Series Manuale Utente Pagina 33

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