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Pro-fly 4.5 Double Wind Tunnel

One of the Fastest in the World

Feedback from professional skydivers about our wind tunnel:

“Wind is really good, pure and powerfull without bubbles and turbulence. I think it's one of the best tunnels i've tried.”

“This camp has been amazing! Like the tunnel itself is awesome facility, air is very smooth and very powerful... The second floor with glass is really cool.”

“Recommend everybody to come and fly into tunnel... It might change their whole life.”

Mikhail Razomazov

1st place at Freefly World Cup, 2015

Keith Grealy and Mason Corby

Downunder Dynamics team

Megumi Okubo

Mikhail Razomazov’s student

Spacious Flight Chamber

Perfectly round at entrance level, 4 layers of 10 mm glass with an anti⁠-⁠reflective coating and noise and temperature insulating interlayers.

24 m
or 78.7 ft high

24 m high

8 m 26.2 ft glass chamber installed at entrance level. Opaque fiberglass above (16 m 52.5 ft).

Additional options:

  • Increased size of glass section
  • Installation of a glass floor at 2nd floor level for  observation of flights from above
  • Chemically strengthened non-shattering glass for greater impact resistance, eliminating chances of injuries to fliers and equipment damage by flying glass fractures and particles in case of an accident
4 m
13.1 ft
12 m
39.4 ft
4 m
13.1 ft
4 m
13.1 ft
4.5 m 14.8 ft

4.5 m in diameter

4.5 m
or 14.8 ft in diameter

Minimum diameter for carrying out basic maneuvers: 4.27 m 14 ft.

5.4% increase in diameter provides regular flyers with greater maneuverability, without additional power consumption.

Energy Specifications

Airflow speed in Flight Chamber Normal power consumption by axial fans
km/h % kW · h
Child novices 150 42 119
156 46 158
Adult novices 180 50 206
195 54 261
210 58 327
225 63 402
240 67 487
Regular flyers 255 71 585
270 75 694
285 79 816
300 83 952

The most efficient facility available to the public is Pro-fly 4.5 Double.

Noise Level

With active air cooling, the noise level is comparable to an office during working hours, making it possible to hold a conversation next to the Flight Chamber without raising your voice. When operational, the indoor facility cannot be heard from outside, so it can be installed in residential complexes.

Without active cooling and with an open roof, the noise level will rise.

Fly Station Japan is the world’s first indoor skydiving facility to operate successfully inside a residential complex.

Like at Campfire During Rainfall

Сomparison for Pro-fly 4.5 Double in Decibels

dB(A) Sound source Distance
150
Fighter jet launch
15 m
49.2⁠ ⁠ft
140
.22 rifle blast Pain threshold 		Shooter's ear
130
Air raid siren
30 m
98.4⁠ ⁠ft
120
Rock concert with amplifiers
15 m
49.2⁠ ⁠ft
110
Locomotive horns
2 m
6.6⁠ ⁠ft
100
Football (soccer) match 		In stands
90
Heavy truck
15 m
49.2⁠ ⁠ft
80
Pneumatic drill
15 m
49.2⁠ ⁠ft
70
Vacuum cleaner
3 m
9.8⁠ ⁠ft
60
tunneltech 55 dB(A)
180 km/h 1 m
112 mph 3.3 ft
Campfire
2 m
6.6⁠ ⁠ft
50
Moderate rainfall 		Ambient
40
Library 		Ambient
30
Big leaf falling onto fern fronds
1,8 m
5.9⁠ ⁠ft
20
Watch ticking 		On hand
10
Grand Canyon at night 		Ambient

Additional Options

BASE Jumping Chamber Base Jumping Chamber

Two chambers installed beneath the ceiling of the Flight Chamber.

The fuselage of a real helicopter or other aircraft can be integrated into the chamber to practice exits at altitude and other special operations.

Active cooling system Cooling System

Enables any temperature to be maintained within the Flight Chamber, irrespective of the weather outside.

Air can be cooled to 5 °C to simulate real operational conditions at jump altitude.

Bad Weather Simulator Bad Weather Simulator

Steam and condensate generators help to simulate exits in rain or thick cloud.

Honeycomb

Equalizes even small amounts of turbulence, making the air in the Flight Chamber as similar as possible to the air encountered in the open sky.

Development and Operation

Footprint dimensions 33 × 11 m 108.3⁠ ⁠×⁠ ⁠36⁠ ⁠ft
Facility height 33 m 108.3 ft
Possible underground 10 m 32.8 ft
Power consumption
One hour of beginner flights 		250 kW · h
Staff 22 employees
Average load
Maximum 		15 clients / h per hour
26
Age restrictions 4 and over
Equipment manufacture 6 months
Delivery of components to construction site up to 2 months
Component assembly
can be carried out during finishing work может идти параллельно с отделочными работами 		3 months
Equipment operating life 30 years
Software guarantee and support 5 years
Tech specification, PDF, 10 MB


Ordering

Mechanical equipment

  1. Flight chamber package
  2. Turning vanes
  3. Ducts and diffusers
  4. Axial fans

Electronic

  1. AF compartment
  2. Ventilation system
  3. Airtight chamber, waiting chamber, ticket reader
  4. Media equipment (optional, together with booking and photo and video system)
  5. Lower duct drainage
  6. Lighting
  7. Environmental monitoring system
  8. Server equipment
  9. Equipment for operating staff

Gearing

  1. Set of overalls, helmets, and goggles for training sessions

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General info@tunneltech.eu
Technical support@tunneltech.eu
CEO svjatoslav.lisin@tunneltech.eu
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