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  2. Friedrich Air Conditioning - Wikipedia

    en.wikipedia.org/wiki/Friedrich_Air_Conditioning

    Friedrich is now focused on manufacturing room air conditioners. [4] Their products include window, thru-the-wall, portable and ductless air conditioners, as well as dehumidifiers. [5] After nearly 40 years of continuous production, Friedrich replaced its long-running QuietMaster line with the professional-grade Kühl series in 2010.

  3. Crankshaft position sensor - Wikipedia

    en.wikipedia.org/wiki/Crankshaft_position_sensor

    A crank sensor (CKP) [1] [2] [3] is an electronic device used in an internal combustion engine, both petrol and diesel, to monitor the position or rotational speed of the crankshaft. This information is used by engine management systems to control the fuel injection or the ignition system timing and other engine parameters.

  4. Luftwaffe and Kriegsmarine radar equipment of World War II

    en.wikipedia.org/wiki/Luftwaffe_and_Kriegsmarine...

    FuMO 1 - Calis A: Its 6.2 x 2.5m antenna consisted of 2 rows of eight full wave vertical dipoles. Its wavelength was 82 cm and its range depended on the height it was installed above sea level, but typically was about 15–20 km. [ 7 ] Given the frequency low angle reflections from the surface, also known a clutter would have been an issue.

  5. Tamara passive sensor - Wikipedia

    en.wikipedia.org/wiki/Tamara_passive_sensor

    Tamara was the third generation Czechoslovak electronic support measures system that used measurements of time difference of arrival (TDOA) of pulses at three or four sites to accurately detect and track airborne emitters by multilateration. Tamara's designations were KRTP-86 and KRTP-91 and it carried the NATO reporting name of Trash Can. The ...

  6. Crank (mechanism) - Wikipedia

    en.wikipedia.org/wiki/Crank_(mechanism)

    Al-Jazari (1136–1206) described a crank and connecting rod system in a rotating machine in two of his water-raising machines. [18] His twin-cylinder pump incorporated a crankshaft. [19] A crank is later also described in an early 15th century Arabic manuscript of Hero of Alexandria's Mechanics. [20]

  7. Water supply network - Wikipedia

    en.wikipedia.org/wiki/Water_supply_network

    Connections to the sewers (underground pipes, or aboveground ditches in some developing countries) are generally found downstream of the water consumers, but the sewer system is considered to be a separate system, rather than part of the water supply system. Water supply networks are often run by public utilities of the water industry.

  8. SMS Kaiser Friedrich III - Wikipedia

    en.wikipedia.org/wiki/SMS_Kaiser_Friedrich_III

    While returning to Kiel on the night of 1–2 April, Kaiser Friedrich III struck an uncharted rock off Kap Arkona, north of the Adlergrund, at around 01:27. [13] The rock breached the starboard side of the hull and damaged four of the ship's watertight compartments, which filled with water and caused the ship to list to port. [14]

  9. CRN 91 naval gun - Wikipedia

    en.wikipedia.org/wiki/CRN_91_Naval_Gun

    The range is 2 km for Armour-piercing tracer projectile and 4 km for HE projectiles. The Canon can hit slow moving object in air at a height of 2000 M has a total range of 2500 m. The CRN-91 Naval gun is not a sophisticated weapon and has limited anti-ship capability but is a combat proven weapon and its operational cost is very low.