Is a World Leader in FreeFall Simulators & Wind Tunnels engineering and manufacturing,
for Military & Sport indoor training & for Fun indoor skydiving and Horizontal Super Sonic & lower speed Wind Tunnels for aerodynamic and other testings.
SkydiveArena located in the heart of Europe, in Prague, Czech Rep
Magic Tree Corp , under brand SkydiveArena manufactures cutting edge engineering, Freefall Simulator technologies of a 3m/3,6m/4,3m/5m wide, Double Loop/Single Loop/ Multiple Loop spec.. Magic Tree Corp / Skydive Arena recircular wind tunnels first in the world equiped with 5m high all break proof glass made, completely circular & frameless flight chambers, performing laminar air flow powed by 4 engines/fans with maximum operating wind speed 300km/h+
.As a part of our -Know How- indoor skydiving wind tunnels equiped with -Any time Enter / Exit- system, Air Conditioning system and Remote Control system.
For instalation in the shoping malls or city centers we offer sound proof panels for complete noise sopression.
Tested Standart electricity consumption of a 4,3 FreeFall Simulator for belly flying 300kw/h for super fast head down flying 700kw/h
For locations with lack of elctricity conection we offer alternative Diesel Powered solutions.
Magic Tree Corp.'s VWT-FFS-4372SL Single Loop tunnel construction and its technology equipment are optimized for a professional use of sportsmen, army troop as well as general public and schools. Optimization of the fan can be performed on any other scenario of the use of the tunnel (like only sport tunnel utilization, or only to tourism utilization, military and special training purposes, or eventual their combination...). Optimization means a proper selection of tunnel dimensions, fans and engines parameters for proposed purposes to gain an optimal ratio between desired performance and operational costs.
Dimensions and technical parameters of this tunnel offer the best conditions for the professional requirements on speed, space and height. Its size provides ample space for the entire training even of group formations of eight skydivers. Tunnel with 4,3 m of flying chamber diameter is the perfect place for training of army parachutes and special troops with their specific equipment. From tourist's point of view, the tunnel offers comfortable space even for flying couples with instructors or other smaller groups.
Thanks to a comprehensive fan optimization the, tunnel allows operation of profi-flights as well as fun-flights at very low operation costs.
Materials and Dimensions
Air conductors in the aboveground part of the tunnel are made of sheet steel.
All steel elements are provided with corrosion protection.
Tunnel skin is made by sound-insulation panels KINGSPAN.
Net dimensions of the tunnel are: width 24 m depth 12 m height 34 m The typical depth of foundation of ground concrete structure is 7,5 m. The typical height of the tunnel above the ground is 26 m.
Flight chamber consists of a glass part, which is on its top connected to a steel construction of tunnel shell. Lower part of the flight chamber is purely cylindrical with a diameter of 4,3 m and a height of 5 m. The upper part of a flight chamber is made from steel and its height is 9 m. The shape of this part of flight chamber is gradually changing from a circular diameter of 4,3 meters to circular diameter 5,5 x 5,5 m.
The overall maximum height of flight chamber 14 m The height of the glass part of flight chamber 5 m Diameter of flight chamber 4,3 m
Maximum air speed at which the tunnel can be operated continuously is 80+ m/s (300+ km/h).
Motors, fans and electronic equipment
The air stream is formed by four vertically stored fans, each of 3.15 m in diameter, which are powered by a 4 electro-motors, each rated at 355 kW. RPM are controlled and regulated by 4 frequency changers from ABB. Control and monitoring system of the tunnel is realized using SIEMNS technology.
Tunnel cooling is provided by an active AC cooling unit with a maximum power consumption of 330 kW, which corresponds to a maximum cooling performance of 1 000kW. Cooling compressor unit is located outside the tunnel and two pairs of optimized coolers installed in the tunnel design ensures a comfortable temperature in the flight chamber even during very warm summer period. During cold seasons, from the certain threshold temperature, the compressor unit is automatically switched to dry coolers, which maximize utilization of outside cold air and rapidly decrease the power consumption (up to 30 kW).