how to select the right airbags for ship launching

Marine Airbags Selection

Each marine airbag is consisted of Effective Length ( EL ), Diameter ( D ), Plies or Layers. So when we are choosing suitable sizes, what we need to do is to focus on the three factors only.

• Effective Length

Effective length is not less than the maximum width of vessel. While you are arranging two rows of airbags, remember to calculate the total length of two rows to avoid contact of airbags.

• Diameter

Airbag’s diameter is decided by the height of vessels’s supporting blocks.

• Plies or Layers

Plies or Layers normally decide performance of each airbag. Generally speaking, 6 layers airbags could be applied to most of engineering projects.

If you need some engineering support from us, please do not hesitate to answer following questions or contact us.

1. Type of vessel?

2. LOA (length) of vessel?

3. Width of vessel?

4. Vessels actual launched weight (light weight)?

5. Whats the vessel’s DWT?

6. The condition of slipway (slope, tide schedule, water depth, ground and so on)?

7. The blocks height under the vessel?

8. Distance from the propeller to the end of launch ramp?