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A roof turbine ventilator, colloquially known as a 'Whirly Bird' is an application of wind driven ventilation. Passive ventilation is the process of supplying air to and removing air from an indoor space without using mechanical systems.
An attic fan installed underneath a roof. A powered attic ventilator, or attic fan, is a ventilation fan that regulates the heat level of a building's attic by exhausting hot air. A thermostat is used to automatically turn the fan off and on, while sometimes a manual switch is used. An attic fan can be gable mounted or roof mounted. Additional ...
The use of vinyl to cover the roofs of regular automobiles was to "give fixed-roof cars some of the flair and appeal of their convertible counterparts." [3] An example is the 1928 - 1929 Ford Model "A" Special Coupe, featuring a roof completely covered with a vinyl-like material. This Model "A" Special Coupe's vinyl roof had two exposed seams ...
Lucas Industries plc was a Birmingham-based British manufacturer of motor industry and aerospace industry components. Once prominent, it was listed on the London Stock Exchange and was formerly a constituent of the FTSE 100 Index.
The project, being developed near Tehachapi Pass Wind Farm— site of the first large-scale wind farms installed in the U.S. in the 1970s and 1980s—is "a powerful illustration of the growing size and scope of modern wind projects". [2] [3]
Thermal barrier coating (colored white) on a turbine guide vane in a V2500 turbofan engine. Thermal barrier coatings (TBCs) are advanced materials systems usually applied to metallic surfaces on parts operating at elevated temperatures, such as gas turbine combustors and turbines, and in automotive exhaust heat management.
[18]: 369 Instead, GM moved away from passenger cars with GT-309 (1964), which was designed for heavy-duty applications, as demonstrated by its use in the Chevrolet Turbo Titan III truck and Turbo-Cruiser II/III buses; for this updated engine, the gasifier turbine and compressor were designed to operate at 35,700 RPM, generating 280 hp (210 kW ...
1991 BMW 318i (E30) with a hood bra. A front-end bra (also known as a car bra, bonnet bra, front-end cover, hood bra, auto bra, [1] hood mask, car mask, etc.) is a (usually black) vinyl cover that attaches to the front of a car or other vehicle to protect the bumper, hood, and sides of the fenders from scratches.