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  2. Comet 7-cylinder radial engines - Wikipedia

    en.wikipedia.org/wiki/Comet_7-cylinder_radial...

    The Comet radial was fairly standard with steel finned cylinders, cast light alloy cylinder heads and two valves per head. The valves are operated by a single rocker arms and push-rods, to the rear of the cylinder, which are in turn operated positively by inner and outer cam tracks operating rollers on the pushrod.

  3. Category:Belt drives - Wikipedia

    en.wikipedia.org/wiki/Category:Belt_drives

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  4. Belt (mechanical) - Wikipedia

    en.wikipedia.org/wiki/Belt_(mechanical)

    An automotive belt with the number "740K6" or "6K740" indicates a belt 74 inches (190 cm) in length, 6 ribs wide, with a rib pitch of 9 ⁄ 64 of an inch (3.6 mm) (a standard thickness for a K series automotive belt would be 4.5mm). A metric equivalent would be usually indicated by "6PK1880" whereby 6 refers to the number of ribs, PK refers to ...

  5. Serpentine belt - Wikipedia

    en.wikipedia.org/wiki/Serpentine_belt

    Serpentine belt (foreground) and dual vee belt (background) on a bus engine Belt tensioner providing pressure against the back of a serpentine belt in an automobile engine. A serpentine belt (or drive belt [1]) is a single, continuous belt used to drive multiple peripheral devices in an automotive engine, such as an alternator, power steering pump, water pump, air conditioning compressor, air ...

  6. Maule M-7 - Wikipedia

    en.wikipedia.org/wiki/Maule_M-7

    Data from manufacturer and FAA General characteristics Crew: one Capacity: four passengers Length: 23.67 ft (7.21 m) Wingspan: 32.92 ft (10.03 m) Height: 6.33 ft (1.93 m) Empty weight: 1,549 lb (703 kg) typical, equipped Gross weight: 2,500 lb (1,134 kg) Fuel capacity: 40 U.S. gallons (150 L; 33 imp gal) usable (standard) Powerplant: 1 × Lycoming O-540-J1A5D six cylinder, horizontally-opposed ...

  7. BOAC Flight 781 - Wikipedia

    en.wikipedia.org/wiki/BOAC_Flight_781

    The Comet's pressure cabin had been designed to a safety factor comfortably in excess of that required by British Civil Airworthiness Requirements (BCAR)—the requirement was 1.33 times P with an ultimate load of 2 times P (where P is the cabin's "Proof" pressure), but the safety factor used in the Comet was 2.5 times P—hence the accident ...

  8. BBC Micro expansion unit - Wikipedia

    en.wikipedia.org/wiki/BBC_Micro_expansion_unit

    Interior of the 6502 Second Processor. The 6502 Second Processor (using a 6502C) was clocked at 3 MHz, a full 50% faster than the 6502 inside a BBC Model B, and also had 64 KB of RAM, of which typically 30–44 KB was free for application data (compared to as little as 8.5 KB on an unexpanded Model B in graphics mode, or only 5.75 KB with the disc interface).

  9. List of periodic comets - Wikipedia

    en.wikipedia.org/wiki/List_of_periodic_comets

    In comet nomenclature, the letter before the "/" is either "C" (a non-periodic comet), "P" (a periodic comet), "D" (a comet that has been lost or has disintegrated), "X" (a comet for which no reliable orbit could be calculated —usually historical comets), "I" for an interstellar object, or "A" for an object that was either mistakenly ...