Envelope
This is the colourful part of the balloon. In modern balloons, it is made of reinforced heat-resistant nylon. It is coated on the inside with a layer of polyurethane or silicon which helps to retain heat and air. Between flights the envelope is folded and rolled and stored in a bag around 1.5 metres in diameter. The envelope is made up of panels between load tapes that run right through the envelope and attach to the basket. The load tapes carry all the strain in the envelope and the panels in between essentially just keep the air in. Hot air doesn't escape from the bottom of the envelope as buoyancy keeps it moving up.
This is the colourful part of the balloon. In modern balloons, it is made of reinforced heat-resistant nylon. It is coated on the inside with a layer of polyurethane or silicon which helps to retain heat and air. Between flights the envelope is folded and rolled and stored in a bag around 1.5 metres in diameter. The envelope is made up of panels between load tapes that run right through the envelope and attach to the basket. The load tapes carry all the strain in the envelope and the panels in between essentially just keep the air in. Hot air doesn't escape from the bottom of the envelope as buoyancy keeps it moving up.
Parachute valve
At the crown of the balloon is a large hole which is used to deflate the balloon on landing. Fortunately, during flight, this hole is sealed by a parachute valve. held in place by the pressure inside the balloon. The pilot can pull the parachute down out of hole via pulleys using the parachute valve cord that drops down to the basket.
At the crown of the balloon is a large hole which is used to deflate the balloon on landing. Fortunately, during flight, this hole is sealed by a parachute valve. held in place by the pressure inside the balloon. The pilot can pull the parachute down out of hole via pulleys using the parachute valve cord that drops down to the basket.
Parachute valve cord
This allows the pilot to pull out the parachute valve to deflate the balloon.
This allows the pilot to pull out the parachute valve to deflate the balloon.
Gores
These are panels of fabric cut at particulat angles which when sewn together form the shape of the balloon.
These are panels of fabric cut at particulat angles which when sewn together form the shape of the balloon.
Panels
These make up the gores
These make up the gores
Basket
This is where the passengers and pilot stand during flight. It also contains the tanks of propane which are connected to the burners overhead. Balloon baskets are generally still made from traditional woven willow branches as no modern material gives the same combination of lightness, strength and flexibility. Flexibility is especially important to absorb the impact on landing and save the knees of the passengers. Very strong steel cords pass through and underneath the basket and are attached to the load tapes of the envelope. The basket may also contain instruments such as an altimeter and a radio to aid the pilot in their flight.
This is where the passengers and pilot stand during flight. It also contains the tanks of propane which are connected to the burners overhead. Balloon baskets are generally still made from traditional woven willow branches as no modern material gives the same combination of lightness, strength and flexibility. Flexibility is especially important to absorb the impact on landing and save the knees of the passengers. Very strong steel cords pass through and underneath the basket and are attached to the load tapes of the envelope. The basket may also contain instruments such as an altimeter and a radio to aid the pilot in their flight.
Burner
The burner is fuelled by the propane tanks below and is usually made of stainless steel. It is supported by plastic support poles that fit into the basket and is also connected to the basket by way of steel cords. Both the envelope and basket are attached to the burner frame which must be strong.
The burner is fuelled by the propane tanks below and is usually made of stainless steel. It is supported by plastic support poles that fit into the basket and is also connected to the basket by way of steel cords. Both the envelope and basket are attached to the burner frame which must be strong.
Skirt
The very lowest part of the envelope is made from a flame resistant material and serves to deflect any wind from the burner flame allowing the flame to be directed staight up into the envelope. A scoop is a similar piece of fabric which directs air up into the mouth of the balloon helping the balloon to hold its shape.
The very lowest part of the envelope is made from a flame resistant material and serves to deflect any wind from the burner flame allowing the flame to be directed staight up into the envelope. A scoop is a similar piece of fabric which directs air up into the mouth of the balloon helping the balloon to hold its shape.
Propane cylinders
These are located in the basket. The propane is highly compressed in the cylinders and so when released flows quickly through the hoses to the heating coil. On starting up the burner, the pilot will light a pilot light which ignites the propane which is in liquid form to begin with. As the flame burns, it heats up the metal in the surrounding tubing which converts the propane to a gas. Propane as a gas is a more efficient fuel and creates a stronger flame.
These are located in the basket. The propane is highly compressed in the cylinders and so when released flows quickly through the hoses to the heating coil. On starting up the burner, the pilot will light a pilot light which ignites the propane which is in liquid form to begin with. As the flame burns, it heats up the metal in the surrounding tubing which converts the propane to a gas. Propane as a gas is a more efficient fuel and creates a stronger flame.
Study this diagram which shoes the parts of a hot air
balloon. Complete the description of its parts given below.
The largest and most colourful part of the balloon is called
the Envelope. The topmost part of the balloon has a large hole which is used to
deflate the balloon on landing. This is called the Parachute Valve . The valve seals the
hole. The lowest end of the envelope is the skirt made of flame-resistant
material. It helps keep the flame directed straight up into the envelope.
To pull the parachute down out of the hole via pulleys, the
pilot uses the Parachute Valve Cord that drop down to the basket. It is this cord that
helps the pilot deflate the balloon. Gores are panels of fabric sewn together
to form the shape of the balloon.
During the flight, the passengers and the pilot stand in the Wicker Basket made from woven willow branches for lightness, strength and
flexibility. The Burners, usually made of stainless steel, are connected to the
basket with steel cords. It is fuelled by Propane Tanks as propane as a gas is an
efficient fuel and creates a stronger flame.
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