R1

R1, R.I., R01 or R-1 may refer to:

Military equipment

  • R-1 tank, a Romanian tank from World War II
  • R-1 (missile), a post World War II Russian rocket
  • AEG R.I, a 1918 German super-heavy bomber design
  • DFW R.I, a 1916 German prototype bomber aircraft
  • HMS Caprice, a destroyer originally designated with Pennant Number R01
  • Linke-Hofmann R.I, a World War I German prototype bomber aircraft
  • Polikarpov R-1, a Soviet Union copy of the 1931 British Airco DH.9A light bomber aircraft
  • USS R-1 (SS-78), a 1918 United States Navy R-class coastal and harbor defense submarine
  • a South African made version of the FN FAL battle rifle
  • a version of the 1942 German Rheintochter ground-to-air missile
  • Sentinel R1, a British airborne radar platform
  • a Romanian designation of the Czechoslovak-designed tankette AH-IV

Transportation

Automobiles

  • Jaguar R1, a British 1999 Formula One racing car
  • Javan R1, a British sports car
  • Nuro R1, an American autonomous van
  • Ora R1, a Chinese electric city car
  • Praga R1, a Czech sports car
  • Rivian, R1S and R1T, an American electric mid-size SUV and pickup truck
  • SIN R1, a Bulgarian sports car
  • Subaru R1, a Japanese city car

Aviation

Motorcycles

  • Yamaha YZF-R1, a motorcycle

Rail

Lines

  • R1 (New York City Subway car)
  • R1 (SEPTA), a former commuter rail line in Philadelphia, Pennsylvania, which was split into:
    • Airport Line (SEPTA), or R1 Airport line
    • SEPTA Main Line (R1 Glenside) Also called the Glenside Combined
  • R1–RG1 (Rodalies de Catalunya), a commuter rail line in Catalonia, Spain
  • R1 King George Blvd, RapidBus line in Surrey (Metro Vancouver, British Columbia, Canada)
  • R1 (RER Vaud), an S-Bahn line in the canton of Vaud

Individual locomotive classes

  • LCDR R1 class, a class of 0-4-4T steam locomotives built by the South Eastern and Chatham Railway to modified LCDR design in 1900
  • PRR R1, a 1934 American single prototype electric locomotive
  • SECR R1 class, a class of 0-6-0T steam locomotives rebuilt by the South Eastern and Chatham Railway from the SER R class between 1910 and 1922
  • LNER Class R1, a class of British steam locomotives

Roads

  • R1 expressway (Czech Republic), an expressway in the Czech Republic
  • R1 expressway (Slovakia), a road connecting Trnava and Banská Bystrica
  • R1 ring road (Belgium), a ring road around Antwerp
  • R-1 motorway (Spain), a future radial motorway connecting Madrid and El Molar
  • R1 road (Zimbabwe), a road connecting Beitbridge and Harare
  • Radial Road 1 or R-1, an arterial road of Manila, Philippines

Computing

  • R1 (expert system), a 1978 expert system written by John McDermott
  • .r01, a RAR file extension
  • an alternate name for the Rice Institute Computer, an innovative computer extant at Rice University from 1959 to 1971

Biology

  • R1 plasmid, a plasmid found in E Coli
  • ATC code R01 Nasal preparations, a subgroup of the Anatomical Therapeutic Chemical Classification System
  • Haplogroup R1 (Y-DNA), a human Y-chromosome DNA haplogroup
  • The R1 vein in insect wings

Other

  • R01 grant, a form of competitive funding issued by the National Institutes of Health in the United States
  • R1: Explosive when dry, a risk phrase
  • R-1 Federation
  • Rogue One, a 2016 film
  • R1 Multi-frequency signaling, a telephony control technique
  • R1 (nuclear reactor), the first nuclear reactor of Sweden
  • R1 space in topology, in mathematics
  • R-1 visa, a non-immigrant visa which allows travel to United States for service as a minister or other religious occupation.
  • DSC-R1, a 2005 Sony Cyber-shot R series camera
  • TV R1, Czech regional television station
  • R1, a brand sold by Imperial Tobacco
  • Region 1, the DVD region code for United States, Canada, Bermuda, U.S. territories
  • Research I university, a designation of U.S. universities engaged in the highest levels of research activity
  • BBC Radio 1, a national radio station in the United Kingdom
  • Radio One (New Zealand) a New Zealand student radio station
  • Samsung YP-R1, a digital audio player
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