borescope

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borescope

(ˈbɔːˌskəʊp)
n
(Tools) a long narrow optical device used to inspect the interior of a tight space
References in periodicals archive ?
This may include the use of a bore scope, excessive cleaning brush drag, green-stained cleaning patches while using copper removing solvent, or actual visual evidence of copper or bore roughness.
I examined the bore with a Hawkeye bore scope, and the angled lands are quite evident.
core one hole in back side of one beam, for an actuated-head bore scope inspection of the girder.
It does not appear to have been shot much, but an examination with a bore scope would be needed to determine that.
Larry Willis at Innovative Technologies recently developed an electronic bore scope.
To accurately measure the degree of misalignment and monitor the progress of returning to alignment, until recently the most common method was to position a bore scope to the rear of the gearbox and adjust it so that it optically represents the centerline of the drive.
This data, along with the cylinder flow test and a cylinder bore scope inspection, means that the annual inspection team can largely concentrate on the main bearings, crankcase, the compressor side and auxiliaries.
They use hundreds of tools, utilizing things like bore scope cameras to see hard-to-reach places inside the engine, dry ice to condense specific parts and basic wrenches for bolt turning.
Aviation Machinist's Mate 2nd Class Timothy Melton, assigned to the VFA-105, uses a bore scope on an engine to search for blockage or parts needing to be replaced aboard the aircraft carrier USS Harry S.
We used a bore scope and found a rough spot in the rifling in the last inch of the barrel.
During recent engine bore scope inspections, this technique detected 14th stage outlet guide vanes partially liberated on two separate aircraft.