HABFM-1401001
VERSION: 07_9
FLIGHT MANUAL
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BALLONS CHAIZE
FLIGHT MANUAL
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BALLONS CHAIZE
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PAGE 14/64
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Chemin de Mirecouly - 07100 Annonay
| Atelier / Workshop:
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Atelier / Workshop - Tél. +33 (0)4 75 33 65 18 - Mobile - Tél. +33 (0)6 32 00 04 83 - [email protected] -
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•
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or in turbulent atmospheric conditions. A cord is attached to the crown to retain the balloon while
it is being inflated.
The letter "X" when included in the type designation, indicates that the envelope is made of high
resistant polyester fabric, which supports higher working temperatures than classic nylon fabric
(e.g.: JZX18 F12).
Systems for maintaining the balloon at ground level, for tethered balloons, or for quick release
mechanisms when taking off, shall be attached to the envelope as follows:
For tethered balloons, each cord is independently hooked on to a karabiner (spring hook) attached
to the envelope, with the working principle described in the chapter on tethered balloon mode.
When using quick-release: the mooring line is attached to a quick-release by means of a strap or a
cord folded into a V-shape, which in turn is hooked onto the carabiners of the envelope using two
carabiners.
I.2.5
Valve
For all balloon types, the valve is the "parachute" type. It can be used in both directions, and has
two functions:
•
It allows partial evacuation of the hot air in the envelope when performing descent
manoeuvres;
•
It allows partial evacuation of the hot air in the envelope when landing.
It comprises: The horizontal panels of the crown form a circular surface; this is fixed at the centre,
but is free at the circumference, and closes an opening smaller in diameter than itself.
The valve can be opened by the balloon pilot using a white and red-coloured cord
It closes automatically thanks to the envelope's internal pressure.
For all volumes, and obligatory from 5000 m² up, the valve can be fitted with a fast deflation system
(FDS).
The fast deflation system (FDS) will release the air contained in the balloon by means of a new red-
coloured manoeuvring cord. Pulling on the red chord will bring the parachute into the shape of a
column in the centre of the balloon, leaving a large opening at the crown.
The fast deflation system reduces dragging when landing, especially for large volume balloons.
