| 21. | The base of the BAT cartridge case was frangible, the reaction gases venting directly backwards through a single large venturi.
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| 22. | A first publication on this subject is given in " Frangible design of instrument landing system / glide slope towers ".
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| 23. | Frangible nuts were also used for separation of the two aft structural attachments of the external tank prior to orbital insertion.
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| 24. | Some effort was also put into a " frangible booster " for the Ajax, whose casing would destroy itself in flight.
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| 25. | The minimum recommended overall length of an EMAS installation is, of which at least is to consist of the frangible material.
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| 26. | This was in contrast to the US recoilless designs, which used a frangible sidewall to the cartridge case and multiple venturi.
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| 27. | It is a long tube filled with a mixture of combustible gases with a frangible diaphragm at either end to contain the gases.
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| 28. | In operations in Iraq, the shotgun was the preferred method of door breaching by infantry units, ideally with a frangible breaching slug.
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| 29. | Immediately before SRB ignition, frangible nuts attached to the top of these studs were detonated, releasing the Shuttle assembly from the platform.
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| 30. | A structure is frangible if it breaks, distorts, or yields on impact so as to present a minimum hazard to the vehicle.
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