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Airfence products are made from heavy duty, reinforced PVC fabric that is extremely strong yet flexible and highly UV stabilized. This means that you can happily leave it in the sun for many years without it degrading. Of course, it's fire retardant too. So you will be using a safe product for your track staff and one that will last.
An Airfence IIs safety system is made up of sections strapped together so it can be any length and suit any corner. Each section consists of front and back cushions, separating cushions dividing the front from the back, and normal or ambient air pressure cells. All the cushions are lightly inflated to approximately 0.3 psi and these create the frame and cells to stand the Airfence up and hold it's shape. Pressure relief valves are fitted to the cushions to regulate the air pressure. The modules have angled ends so that they overlap.
The work of absorbing impact is done by the inflated frame and the normal air pressure cells which build up pressure to increasingly decelerate the rider. These cells also exhaust regulated air to ensure that pressures do not build up excessively to create sudden deceleration and injure the rider. They also stop "rebound" where a rider could be thrown back on to the track in front of other riders.
For the situation of multiple accidents, for instance where oil is spilt on the track and a number of riders crash, Airfence IIs is designed to very quickly resume it's shape and be ready for further impacts almost immediately the first rider gets off the Airfence.
Unlike some imitations of Airfence IIs, our safety system has key features to ensure it's reliable performance:
- joining straps using seat belt webbing and D rings forming the strongest joint.
- 950 gsm inflatable boat fabric for our inflated cushions to give greater resistance to puncture and tearing
- conveyor belt "skirt" to stop riders sliding underneath
- integrally strong central air cells with no potentially weak hook and loop flaps
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- you have only a couple of bike track days a year
- you are a street circuit
- you promote races at different locations
- compact storage is a priority
Airfence IIs with the newly engineered "skirt" under which we have not been able to penetrate. Also showing integral top (bottom is the same), with no velcro openings to comprimize central ambient air cells.
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