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Lightening holes
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Lightening holes are holes in structural components of machines and buildings used by a variety of engineering disciplines to make structures lighter. The edges of the hole may be flanged to increase
Lightening holes in Bulleid Firth Brown (BFB) railway locomotive wheel
Lightening holes in Bulleid Firth Brown (BFB) railway locomotive wheel
Aircraft manufacturing in Australia 1943. Note the circular lightening holes in the wing ribs.
Aircraft manufacturing in Australia 1943. Note the circular lightening holes in the wing ribs.
Car chassis with lightening holes, circa 1935.
Car chassis with lightening holes, circa 1935.
Parsons House is an example of the use of lightening holes in architecture.[citation needed]
Parsons House is an example of the use of lightening holes in architecture.[citation needed]
Bulleid Firth Brown wheel
Videos
The Bulleid Firth Brown wheel was a locomotive wheel developed for the Southern Railway in the late 1930s. It was a disc wheel, in contrast to the usual spoked wheels in general use on British railway
Lightening holes
…Lightening holes in Bulleid Firth Brown (BFB) railway locomotive wheel Lightening holes are holes in structural components of machines and buildings used by a variety of engineering disciplines…
Battle of Britain class 34053 Sir Keith Park
Battle of Britain class 34053 Sir Keith Park