Viper SD 4 light sport aircraft,
Viper SD 4 experimental lightsport aircraft, Light Sport Aircraft Pilot News
newsmagazine.
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Light Sport Aircraft Pilot is a directory of aircraft that generally fit
into what are described as ultralight aircraft, advanced ultralight
aircraft,
light sport aircraft, experimental light sport aircraft, experimental
aircraft, amateur built aircraft, ELSA or homebuilt
aircraft in the United States and Canada. These include
weight shift aircraft, more commonly known as trikes,
powered parachutes, and powered para-gliders.
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Viper SD 4 light sport aircraft, experimental
lightsport, amateur built aircraft.
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The Tomark Aero Viper SD 4 is
a low wing all metal aircraft designed and manufactured in
the Czech Republic. The plane has been on the European
market for approximately five years.
The plane on display at the U.S. Sport Aviation Expo 2011 is
the first one in the U.S. and achieved LSA approval in
October of 2010, with the F.A.A. actually doing the approval
of the plane.The
Viper SD 4 is a low wing, side by side seating two place in
a tractor configuration powered by a Rotax 912 S 100 HP
aircraft engine, with the certified version available for
flying at night.
Entrance and exit from the plane is very easy, with entrance
from the rear of the wing via a step and hand holds on the
top of the instrument panel. |
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The plane is equipped with a
cloth interior, with very comfortable seats. The cloth
interior of the show plane was colour coded with the
instrument panel. The panel featured a Dynon D100 and a
Dynon D120 on each side of the craft. Between the two
Dynon's is a center console which houses a Geo Pilot 2 AV
Map system at the top, with a radio stack directly
underneath it.
The Viper SD 4 features
dual sticks, with the pilot stick housing a set of switches
on the top for trim, and push to talk etc. The plane uses a
center mounted throttle located on a center console directly
underneath the radio stack and circuit breakers. The plane
has dual rudder pedals, so it can be flown from either side,
and has a center mounted brake handle that activates both
main gear brakes. The plane is also equipped with a parking
brake. Steering on the ground is via a steerable nosewheel.
The plane is equipped with
just over 9 gallons of fuel in each wing tank, which should
give approximately 4 hours of flying with a reserve. Tanks
can be added to increase the capacity to 26 gallons. The
fuel selector valve is located at the rear of the center
console, and is clearly marked and easily accessible. The
electric flap activation switch is located just in front of
the fuel selector valve. Located directly beside the flap
switch is a lever for disengaging a tow hitch, as the Viper
SD 4 can be used for glider towing.
The bubble canopy opens
rearward and upward and is secured by two very beefy latches
on the left and ride hand side. Ventilation is supplied via
vents on the canopy. The cabin width is 48 inches which
allows two very large pilots to sit quite comfortably, with
lots of shoulder, head and leg room.
When powered by the Rotax
912 S the Viper SD 4 climbs out at nearly 1300 feet per
minute, stall in landing configuration is 40 knots, with
cruise coming in at 108 knots.
Tomark Aero is considering
moving the aircraft production facility to the United
States. ?We feel we can produce the aircraft more
cost-effectively here in the U.S.,? said Jan Pjatak,
president of Tomark.
For more information
contact:
TOMARK AERO USA
LLC,
7704 Cordova Dr, Frisco, TX 75035
www.tomarkaero.com |
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Viper SD 4 light sport aircraft -
experimental lightsport aircraft |
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