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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.
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
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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.
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 stabilizers
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 covering
material from the center section of the
stabilizer and epoxied the stabilizer into
TAKEOFF AND LANDING
After checking out the controls, I started the big Saito and taxied
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 immediately
impressed with
the smooth responsiveness
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.
58 MDDEL AIRPLANE NEWS
the fuselage. The vertical fin is mounted
using the same process. Following the
manual, I hinged the elevators and rudder,
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 twoline
system and then routed the lines
through the firewall and center opening
of the engine mount. This opening is
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.