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  2. ANSI device numbers - Wikipedia

    en.wikipedia.org/wiki/ANSI_device_numbers

    21P - Phase Distance; 22 – Equalizer Circuit Breaker; 23 – Temperature control device, Heater; 24 – Volts per Hertz Relay (in some old analog applications, a 59 and an 81 device would be chained together as a 59/81 to implement the equivalent of V/Hz protection) 25 – Synchronizing or Synchronism-check Device

  3. United States Army Prime Power School - Wikipedia

    en.wikipedia.org/wiki/United_States_Army_Prime...

    The mission of the school is to produce MOS 12P – Prime Power Production Specialists (formerly MOS 52E and 21P) for the U.S. Army. Training The U.S. Army Prime ...

  4. VFA-125 - Wikipedia

    en.wikipedia.org/wiki/VFA-125

    A VFA-125 F-35C Lightning II flying over San Francisco Bay during Fleet Week SF 2022. There have been three distinct squadrons known as the Rough Raiders.The first VA-125 was established in 1946 as Naval Reserve Squadron VA-923.

  5. Mass flow sensor - Wikipedia

    en.wikipedia.org/wiki/Mass_flow_sensor

    Some VAF sensors include an additional intake air temperature sensor (IAT sensor) to allow the engines ECU to calculate the density of the air, and the fuel delivery accordingly. The vane meter approach has some drawbacks: it restricts airflow which limits engine output; its moving electrical or mechanical contacts can wear

  6. Viscotherm - Wikipedia

    en.wikipedia.org/wiki/Viscotherm

    After a fire at VAF’s premises in 2009 [5] the Viscotherm was declared obsolete. It was replaced by the Viscosense, a new generation viscometer based on rotational vibrations of a pendulum in a liquid. However, VAF made sure that an easy to install retrofit for the Viscotherm, combining an identical shaped house and the Viscosense sensor, is ...

  7. List of Mikoyan-Gurevich MiG-21 variants - Wikipedia

    en.wikipedia.org/wiki/List_of_Mikoyan-Gurevich...

    MiG-21P-13 (aka Ye-7) (1958) P = Perekhvatchik ("interceptor"), 13 = refers to K-13 missile system Two MiG-21 sans suffixe (izdeliye 65) were converted to use K-13 missile system as part of a development project for an interceptor armed with the K-13 missile. Due to the MiG-21P-13 project lagging behind schedule, it was decided to produce the ...

  8. Vernacular Architecture Forum - Wikipedia

    en.wikipedia.org/wiki/Vernacular_Architecture_Forum

    The Vernacular Architecture Forum (VAF) is a scholarly organization founded in 1980 to support the study and preservation of all aspects of vernacular architecture and landscapes. [1] The organization has brought together scholars and practitioners from a wide variety of disciplines-- geography , folklore , architecture , landscape architecture ...

  9. VAF - Wikipedia

    en.wikipedia.org/wiki/VAF

    VAF may stand for: Valence-Chabeuil Airport, a French airport; Variety Artistes' Federation, a former British trade union; Vernacular Architecture Forum, an American ...