When it was time to come up, the submersible would drop the ballast weights and float to the surface.

As the submarine sank, a 10-ton ballast weight was dropped, but this did not arrest the descent.

The ballast weight of his body and the two full gas cans made it surprisingly stable.

During World War 2, it was used as a ballast weight to test Bailey bridges.

The two defective motors were replaced by ballast weights.

I'm dropping my ballast weights and returning to the surface.

Brake vans thus had a significant amount of ballast weight built into their structures to increase the available braking effort.

Including the stabilizing ballast weight, the tower ended up with an overall weight of 35 tons.

This was remedied by large ballast weights in the HP.80 prototypes.

This is done by adding ballast weight.