MegaTech R/C Real World Helicopter Series Bedienungsanleitung PDF herunterladen (Seite 42)

HANGAR 9 ARESTI 4D

The Aresti can accommodate a wide range of engines in the

recommended range. I used a Saito FA .72 for stunning

performance.

A place for everything and everything in its place. The servo tray is already installed for

quick assembly. Note that the battery and receiver are wrapped in foam to protect

them from vibration.

Here's how the Aresti 40 comes out of the box.

FUSELAGE

The fuselage is complete out of the box

and requires very little preparation. 1

mated the completed wing to the fuselage

and carefully aligned it. The leading edge

of the wing keys into a fuselage bulkhead,

and the rear of the wing is secured to the

fuselage by a single '/4-20 nylon bolt that

screws into a blind nut.

The 2-piece aluminum landing gear is

bolted onto the fuselage bottom with six

bolts that screw into pre-installed blind

nuts. I bolted the axles onto the landing

gear and installed the wheel pants and

wheels on the landing gear through an

included plywood plate that I laminated

to the inside of the wheel pants.

TAIL GROUP

Next, the horizontal and vertical stabiliz-

ers are mounted to the fuselage. First, I

removed the covering material from the

slots in the fuselage and then inserted and

aligned the horizontal stabilizer. When 1

was satisfied with it, I removed the cover-

ing material from the center section of the

stabilizer and epoxied the stabilizer into

the fuselage. The vertical fin is mounted

using the same process. Following the

manual, I hinged the elevators and rud-

der, installed the tailwheel assembly and

added the control horns.

ENGINE, TANK AND COWL INSTALLATION

The supplied universal aluminum motor

mount can accommodate a variety of

engines, and the Saito .72 I used fit easily.

The supplied throttle linkage is a flexible

stranded cable that's routed through a

plastic guide tube and is attached to the

carburetor throttle arm with a screw-lock

connector.

The fuel tank fits into the fuselage

against the firewall; I set it up using a two-

line system and then routed the lines

through the firewall and center opening

of the engine mount. This opening is

L±J

TAKEOFF AND LANDING

After checking out the controls, I started the big Saito and tax-

ied the Aresti out to the center of the runway, where I gradually

advanced the throttle and held full up-elevator to keep the tail

on the ground while accelerating. As soon as the speed picked

up, I neutralized the elevator and held in a touch of right rudder.

The Aresti tracked smoothly and predictably and, with slight pull

of the elevator, it rotated and began to climb out. I was immedi-

ately impressed with

the smooth respon-

siveness of this plane.

With its low wing

loading, the Aresti felt

very solid and,

because of its clean

design, it doesn't

bleed off speed

quickly when landing. To avoid a lot of float after flare, landing

approaches should not be too steep or too fast. The Aresti slows

down nicely, though, and a gradual application of elevator just

before touchdown makes for smooth landings.

LOW-SPEED PERFORMANCE

The Aresti has a low wing loading with generous control-surface

area; these help contribute to solid and predictable performance

at slow speeds. The model has no tendency to snap at stall and

is solidly predictable.

HIGH-SPEED PERFORMANCE

The Aresti is happy at full throttle and remains solid and

smooth; it does not attempt to snap out of high-load maneuvers.

Top speed with the 12x8 propeller in level flight is about

70mph.

AEROBATICS

This is where the Aresti shines. It is a smooth-tracking plane and

has no tendency to go off on its own. In other words, it flies

where you point it. It has a fast roll rate on high rates and is

very smooth at low rates. Knife-edge tracking is virtually perfect,

with insignificant tuck to the wheels or canopy. Spin recovery is

immediate, and inverted flight requires only slight down-elevator

input. The model's smooth, predictable performance adds

tremendously to the fun of practicing precise aerobatics.

58 MDDEL AIRPLANE NEWS

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