The fan is intended for preparatory inflation of the envelope with cold air. SPE «RUSBAL» manufactures two types of fans: of 5hp and 9hp output. A fan of 9 hp output is recommended for inflating envelopes having a capacity of 4500 m3 and bigger. It is allowed to use any fans intended for inflating hot balloon envelopes with cold air, taking into account the recommendations of their manufacturers.
A tether line (lines) is a capron (polyamide) line with a breaking load 3500 kg and length 50 m, is intended for mooring the air balloon in tethered flight.
Bridle, together with a release mechanism is intended for restrain of the air balloon before take-off. Depending on the size of the basket frame bridles of different length must be used. The standard lengths of bridles (L stands for «length») are 2, 4, 5 and 6 meters. It is possible to make a bridle of a capron (polyamide) rope with a breaking load of no less than 3500 kgf . The bridle is used only with M-type release mechanism.
Operational hose together with adapters are intended for fueling the gas cylinders of the air balloon, bleeding off gas from the cylinder and gas transfer from one cylinder to another.
Adapters together with an operational hose allow filling the cylinders with gas at fuel stations for cars, to connect an air balloon cylinder to a home gas bottle