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What does MRB stand for?

MRB stands for Main Rotor Blade

This definition appears very rarely and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 107 other definitions for MRB in our Acronym Attic

Samples in periodicals archive:

Designed by Sikorsky to test main rotor blades that rotate either clockwise or counterclockwise, the bi-directional whirl tower will enable helicopter operators and manufacturers to rebalance their rotor blades in the U.
The equipment rolled toward a taxiing helicopter a short distance away and inevitably headed under the tip-path of the rotating main rotor blades.
Fourteen passengers and two crew were returning from BP's Miller platform when the helicopter crashed in the sea, 11 miles north east of Peterhead, The main gearbox suffered a "catastrophic failure" which caused the main rotor blades to shear off.