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A throat damper is a metal plate at the base of the chimney, just above the firebox, that can be opened and closed by a lever, gear, or chain to seal off the fireplace from the chimney. The advantage of a top damper is the tight weatherproof seal that it provides when closed, which prevents cold outside air from flowing down the chimney and ...
CFM is the world's largest commercial aircraft engine manufacturer, with a 39% market share as of 2020. [1] It has delivered more than 37,500 of its engines to more than 570 operators. The name CFM is derived from the two parent companies' commercial engine designations: GE's CF series and Snecma's M series.
Some fireplace units incorporate a blower, which transfers more of the fireplace's heat to the air via convection, resulting in a more evenly heated space and a lower heating load. Fireplace efficiency can also be increased with the use of a fireback, a piece of metal that sits behind the fire and reflects heat back into the room.
CFM International, a joint venture American and French companies to build a series of jet engines; CFM (radio station), a radio station broadcasting to parts of Cumbria and Scotland; Christian Family Movement, a national movement of small faith groups aimed at promoting Christ-centered marriage and family life
Rumford fireplaces were common from 1796, when Count Rumford first wrote about them, until about 1850. Jefferson had them built at Monticello, [6] and Thoreau listed them among the modern conveniences that everyone took for granted. Existing fireplaces could be rebuilt to the Rumford design ("Rumfordized"). [7]
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Data from Pilot manuals and owner knowledge General characteristics Crew: 2 Length: 6.405 m (21 ft 0 in) Wingspan: 10.015 m (32 ft 11 in) Height: 2.490 m (8 ft 2 in) Wing area: 15.26 m 2 (164 sq ft) Empty weight: 196 kg (432 lb) Maximum ZFW Gross weight: 386 kg (851 lb) Max takeoff weight: 386 kg (851 lb) Fuel capacity: 24L Main + 30L Slipper = 54L Powerplant: 1 × Rotax 582UL two-cylinder ...
A DVD documentary is a documentary film of indeterminate length that has been produced with the sole intent of releasing it for direct sale to the public on DVD, which is different from a documentary being made and released first on television or on a cinema screen (a.k.a. theatrical release) and subsequently on DVD for public consumption.