By Anna Bailey A hot air balloon refers to a kind of aircraft that consists of a bag and hot air. The bag is also referred to as the envel...
A hot air balloon refers to a kind of aircraft that consists of a bag and hot air. The bag is also referred to as the envelop and it is designed in a way that it can contain heated air. The bag is connected to a wicker basket or capsule beneath it for carrying passengers. When in need of hot air balloons Colorado is the best location to check out.
Traditionally, wicker baskets are included in models that fly low over short distances. However, the models whose designs allow them to go for long distances and attain high altitudes incorporate capsule. The air inside the balloon is usually heated using an open flame. The heated air inside the balloon make it buoyant as a result of reduced density.
These balloons are incapable of flying beyond the atmosphere just like all kinds of aircraft. As opposed to gas balloons, these balloons do not need to be sealed at the bottom. The reasoning behind this design is that the air near the bottom of the envelop has the same atmospheric pressure as the surrounding environment. This technology is the first-ever human-carrying flight technology in the world.
When the balloon is designed to carry people, it is made of a single-layer, fabric gas bag. A mouth or a throat refers to the opening at the base of the envelop through which air is heated. Heating of air is achieved using burners placed in the basket and heating the air below the opening of the envelop. Various kinds of fuel can be used to heat the air, including propane and liquefied gas.
Dacron and ripstop nylon are some of the materials used in making the envelop. During production of the envelop, the material is cut into smaller panels that are then sewn together to form the whole bag. Load tapes are also sewn together with the panels so that they can be used to hold the gondola. The names gores or gore sections are used to refer to the panels, which run from the crown of the bag to the bottom.
The number of gores in the envelop varies a lot, with some having only 4 panels while others having as many as 24 sections. There is usually a crown ring at the top of the envelop. The ring is usually made of aluminum in most cases, but other metals may also be used. Load tapes attach to the ring at the top. Load tapes are sewn into loops at the bottom to attach to the basket.
A method called French fell, double lap seam, or French felled is used for sewing panels of the envelop together. In this method, fabrics are folded over one another at their edges, with the load tape included and then sewn using two rows of paralleled stitching. Other methods that may also be used instead of French fell are zigzag and flat lap.
Coating is applied on the envelope to render it water and air-tight. Coatings that are commonly used are silicone and polyurethane. When these coating wear out due to degradation, the effective life of the envelop ends. Degradation is caused by several different reasons including heat, mechanical wear and tear, and moisture.
Traditionally, wicker baskets are included in models that fly low over short distances. However, the models whose designs allow them to go for long distances and attain high altitudes incorporate capsule. The air inside the balloon is usually heated using an open flame. The heated air inside the balloon make it buoyant as a result of reduced density.
These balloons are incapable of flying beyond the atmosphere just like all kinds of aircraft. As opposed to gas balloons, these balloons do not need to be sealed at the bottom. The reasoning behind this design is that the air near the bottom of the envelop has the same atmospheric pressure as the surrounding environment. This technology is the first-ever human-carrying flight technology in the world.
When the balloon is designed to carry people, it is made of a single-layer, fabric gas bag. A mouth or a throat refers to the opening at the base of the envelop through which air is heated. Heating of air is achieved using burners placed in the basket and heating the air below the opening of the envelop. Various kinds of fuel can be used to heat the air, including propane and liquefied gas.
Dacron and ripstop nylon are some of the materials used in making the envelop. During production of the envelop, the material is cut into smaller panels that are then sewn together to form the whole bag. Load tapes are also sewn together with the panels so that they can be used to hold the gondola. The names gores or gore sections are used to refer to the panels, which run from the crown of the bag to the bottom.
The number of gores in the envelop varies a lot, with some having only 4 panels while others having as many as 24 sections. There is usually a crown ring at the top of the envelop. The ring is usually made of aluminum in most cases, but other metals may also be used. Load tapes attach to the ring at the top. Load tapes are sewn into loops at the bottom to attach to the basket.
A method called French fell, double lap seam, or French felled is used for sewing panels of the envelop together. In this method, fabrics are folded over one another at their edges, with the load tape included and then sewn using two rows of paralleled stitching. Other methods that may also be used instead of French fell are zigzag and flat lap.
Coating is applied on the envelope to render it water and air-tight. Coatings that are commonly used are silicone and polyurethane. When these coating wear out due to degradation, the effective life of the envelop ends. Degradation is caused by several different reasons including heat, mechanical wear and tear, and moisture.
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