A chock is a type of block that was originally used to hold ships in place ― they’re still placed under the tyres of inactive aeroplanes to stop them from rolling away. When sailors used to ...

The new standard, ASTM F2935, Specification for Chocks, Ship Mooring, Cast Steel, has been developed by Subcommittee F25.01 on Structures, part of ASTM International Committee F25 on Ships and ...

You can have them on sea or on land ― a chock placed against a tyre can keep it from rolling away for instance. But that doesn’t explain the term. Merriam-Webster explains that “chock-a ...

WHILE crossing the Pacific Ocean between Auckland, N.Z., and Sydney, N.S.W., in the Union s.s. Mokoia, I wished to determine, if possible, the rolling angle of the ship by some means, other than ...

“Not only do we have large vessels, bad weather, but we have, in many cases, vessels that are chock-a-block ... parametric rolling is rare. But a full container ship is more likely to experience ...

"If a chock securing an aircraft shifts and allows a tire to start rolling, it can roll over the chock and then the aircraft is loose to keep rolling." The new wheel chocks designed by UDRI have a ...