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A flange-bearing frog, often abbreviated FBF, is a type of frog in which the flange of the wheel on a railway vehicle supports the weight of the vehicle. In conventional practice, the tread of the wheel rests on the head of the rail and bears the weight of the vehicle, while the flange is used to keep the vehicle in the gauge of the track .
The Ohio Steel Company of Cuyahoga Falls made miniature rails with the unusually large weight of 16 lb/yd (7.9 kg/m), twice as heavy as those for other park railways, as well as switches and their flange-bearing frogs for $42/t. [2] The railway loop began south of the large pavilion, built in 1898.
A swingnose crossing or moveable point frog is a device used at a railroad switch to eliminate the gap at the common crossing (a.k.a. frog) which can cause damage and noise. Fixed crossing [ edit ]
The eastern sign-bearing froglet habits swamps and ponds, and is often found under debris at the edge. The male calls from the edge of the pond; the call is a series of low squelching sounds, repeated every few seconds. Amplexus takes place at the edge of the breeding sites; eggs are laid in ponds singularly in shallow water.
A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.
Flange-bearing frog; Floyd Bennett Field, a former airfield near New York City; Forbrugsforeningen, a Danish trade loyalty society; Frankfurt Book Fair, a German trade fair; Fredrika Bremer Association (Swedish: Fredrika-Bremer-Förbundet), a Swedish women's rights organization; Free the Bears Fund, an Australian wildlife charity
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