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Marine Launching Airbag

Supplier From China
Jul-30-13

Max size: dia2.5mx24m.

1.Description:

Dia1.0m*l10m, 6/7/8 layers
Dia1.0m*l12m, 6/7/8 layers
Dia1.0m*l15m, 6/7/8 layers

Dia1.2m*l10m, 6/7/8 layers
Dia1.2m*l12m, 6/7/8 ayers
Dia1.2m*l15m, 6/7/8 layers

Dia1.5m*l12m, 6/7/8 layers
Dia1.5m*l15m, 6/7/8 layers
Dia1.5m*l18m, 6/7/8 layers
Dia1.5m*l20m, 6/7/8 layers
Dia1.5m*l24m, 6/7/8 layers

Dia1.8m*l12m, 6/7/8/9 layers
Dia1.8m*l15m, 6/7/8/9 layers
Dia1.8m*l18m, 6/7/8/9 layers
Dia1.8m*l20m, 6/7/8/9 layers
Dia1.8m*l24m, 6/7/8/9 layers

Dia2.0m*l18m, 6/7/8/9 layers
Dia2.0m*l20m, 6/7/8/9 layers
Dia2.0m*l24m, 6/7/8/9 layers



There are many sizes are available, customized sizes accepted.



3.Life span: 8 years.


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Changlin ship launching air bag ¡ª how to select air bags?

Air bag diameter
The air bag diameter is mainly decided by the ship blocks' height. Ship lifting from blocks is the most important stage in the air bag launching process. At this stage, the ship whole weight is to be lifted by air bags, and the air bag working height must be larger than the block height. The air bag diameter should be selected according to the block height. The air bag diameter must be increased by 0.5m-0.7m, which is based on the block height, otherwise the air bag bearing capacity may be not enough.
At present air bags with diameter less than 1.2m can only be applied on small ships. Air bags with diameter 1.5m or 1.8m are used to launch over 10, 000dwt ships. For block height larger than 0.9m, diameter 1.5m air bags are mostly chosen for the launching. For block height larger than 1m, diameter 1.8m air bags are preferred.
Air bag length
For small ships, the air bag length should be slightly larger than the ship molded breadth. Air bag length can be decided by the formula: b When moving a tug, a fishing boat and the like ship with small block coefficient, air bag ends must extend out of the ship sides, to get good stability of the ship moving. The extended length at each side should be slightly larger than air bag diameter.
For medium ships, the extended length at each end shall not be very long. For example, a normal ship like cargo ship with block coefficient cb > 0.75, airbag should be equal to the breadth of flat bottom at mid-ship (the breadth excludes arc part at bilge).
For large ships, if existing airbag length is shorter than the flat bottom breadth, the longest air bags should be ordered. The airbags layout can be interlaced mode or twin-row mode. We would like to provide advice and suggestion according to customer's specific situation.


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