R4

Technical specifications

Diameter of the flight area
4.3 m / 14.1 ft
Number of simultaneous pro-flyers
6
Max velocity
275 km/h / 172 mph
Noise in the spectator area during operations beside tunnel
69 dBA
Height of the flight chamber
11 m / 36 ft
Height of the flight chamber glass
8 - 9 m / 26.2 - 29.6 ft
Dimensions of a wind tunnel structure*
height
29 m / 95.1 ft
width
13.8 m / 45.3 ft
length
27.2 m / 89.2 ft
Average power (tunnel+cooling)
450 kW
Production time
6 - 9 months
Installation time
5 - 6 months