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The Porsche 919 Hybrid at its official reveal at the 2014 Geneva Motor Show. The 919 Hybrid was liveried in white and incorporated the 'Porsche Intelligent Performance' slogan, with the first letters of each word emblazoned down the vehicle when viewed from the top. The rear wing was liveried in black with the word 'Porsche' in red letters. [30]
Intel and 3M developed the ceramic leadless quad in-line package (QUIP), introduced in 1979, to boost microprocessor density and economy. [3] The QUIP is not designed for surface-mount use, and requires a socket. The chip itself lacks the normal pins, and instead ends in small metal pads on a flat carrier, these make contact with spring-loaded ...
The GE Passport is a high bypass ratio turbofan. The engine is a twin-spool, axial-flow turbofan with a high bypass ratio of 5.6:1 and an overall pressure ratio of 45:1. The front fan is attached to the three-stage low-pressure compressor; the 23:1 pressure ratio 10-stage high-pressure compressor includes five blisk stages for weight reduction.
It retained the F100 core module, gearbox, fuel pump, forward ducts, as well as the F100 digital electronic control, with only minor modifications. Unique PW1120 components included a wide chord low pressure (LP) compressor, single-stage uncooled low pressure (LP) turbine, simplified single stream augmentor, and a lightweight convergent ...
The quad flat-pack has connections only around the periphery of the package. To increase the number of pins, the spacing was decreased from 50 mil (as found on small outline packages) to 20 and later 12 (1.27 mm, 0.51 mm and 0.30 mm respectively).
A metal–air electrochemical cell is an electrochemical cell that uses an anode made from pure metal and an external cathode of ambient air, typically with an aqueous or aprotic electrolyte. [1] [2] During discharging of a metal–air electrochemical cell, a reduction reaction occurs in the ambient air cathode while the metal anode is oxidized.
The dual in-line package was invented two years later. The first devices measured 1/4 inch by 1/8 inch (3.2 mm by 6.4 mm) and had 10 leads. [1] The flat package was smaller and lighter than the round TO-5 style transistor packages previously used for integrated circuits. Round packages were limited to 10 leads.
The first German jet engines built during the Second World War used a mechanical APU starting system designed by the German engineer Norbert Riedel.It consisted of a 10 horsepower (7.5 kW) two-stroke flat engine, which for the Junkers Jumo 004 design was hidden in the engine nose cone, essentially functioning as a pioneering example of an auxiliary power unit for starting a jet engine.