Sikorsky X2 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sikorsky X2" in English language version.

refsWebsite

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22web.archive.org

1^st place

11flightglobal.com

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5aviationweek.com

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4sikorsky.com

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3nasa.gov

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3vtol.org

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2usni.org

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1popularmechanics.com

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1ieee.org

652^nd place

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1propilotmag.com

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1rotorandwing.com

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1defensemedianetwork.com

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1revistaaerea.com

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1rotor.com

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1ainonline.com

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1espacenet.com

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1freepatentsonline.com

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1youtube.com

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1fai.org

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1utc.com

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1ctpost.com

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1aviationtoday.com

9,924^th place

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1unicopter.com

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1wired.com

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1militaryaerospace.com

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1si.edu

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1rotor.org

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1researchgate.net

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1upi.com

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1globalsecurity.org

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ainonline.com

Dubois, Thierry (26 July 2011). "AgustaWestland". Aviation International News. Archived from the original on 11 October 2014. Retrieved 28 May 2015.

aviationtoday.com

Finnegan, Joy editor-in-chief (1 October 2010). "Sikorsky Breaks 250 KTAS Record". Rotor & Wing. Retrieved 6 October 2010. {{cite web}}: |author= has generic name (help)

aviationweek.com

First Flight Of Sikorsky X2 Demonstrator, Archived March 7, 2012, at the Wayback Machine Aviation Week & Space Technology, 27 August 2008. Accessed: 9 March 2012. Archived on 7 March 2012.
Warwick, Graham. "Sikorsky Talks To Customers About Potential Raider Applications" Aviation Week & Space Technology, 6 October 2014. Accessed: 3 October 2014. Photos Archived on 3 October 2014
Lynch, Kerry. "Sikorsky X2 Flies With Engaged Propeller" Aviation Week, 13 July 2009. Paywall
Warwick, Graham. "Sikorsky's X2 - Collier Win, Commercial Next?" Aviation Week, Mar 16, 2011. Accessed: March 8, 2014. Archive Archived March 9, 2014, at the Wayback Machine
Larson, George. "Sikorsky's X2 and the Collier Trophy Archived 2014-03-09 at the Wayback Machine" Aviation Week, Mar 23, 2011. Accessed: March 8, 2014.

ctpost.com

Varnon, Rob (May 26, 2010). "Sikorsky's X2 chases world speed record". Connecticut Post.

defensemedianetwork.com

Wilson, J.R. "Defense Interview: Mark Miller" Defense Media Network, 9 September 2011. Accessed: 4 October 2014. Archived on 2 November 2012.

espacenet.com

worldwide.espacenet.com

US 20150125299 "Counter-rotating Rotor System With Stationary Standpipe" PDF

fai.org

"Rotorcraft Absolute: Speed over a straight 15/25 km course Archived 2013-12-03 at the Wayback Machine". Fédération Aéronautique Internationale (FAI). Note search under E-1 Helicopters and "Speed over a straight 15/25 km course". Accessed: 26 April 2014.

flightglobal.com

Trimble, Stephen. "Sikorsky's X2 speedster completes first flight". Flightglobal.com, 27 August 2008.
Trimble, Stephen (26 July 2010). "Sikorsky X2 sets unofficial helicopter speed record". FlightGlobal. Reed Business Information. Retrieved 29 July 2010.
X2 marks the spot for radical rotor designs, Flightglobal.com, 12 June 2007.
Croft, John (20 May 2010). "Sikorsky X2 breaks helicopter speed barrier". Flightglobal. Reed Business Information. Archived from the original on 28 May 2015. Retrieved 28 May 2015.
Trimble, Stephen. Sikorsky unveils mock-up X2 armed scout. Flightglobal.com, 4 May 2009.
Parsons, Dan (2 October 2014), "Sikorsky rolls-out high-speed Raider rotorcraft", Flightglobal, Reed Business Information, retrieved 3 October 2014
Sikorsky and Boeing to pitch ‘X-2’-based design for US Army JMR TD effort - Flightglobal.com, February 28, 2013
Trimble, Stephen. "Sikorsky high-speed X2 prototype starts flight-test phase". Flight International, 2 September 2008.
Croft, John. "Sikorsky completes third-phase X2 tests with 181kt flight". Flight International, 27 May 2010.
Croft, John (September 15, 2010). "Sikorsky X2 hits 250kt goal". Flight International. Retrieved 2010-09-16.
Drew, James (2016-02-19). "ANALYSIS: Sikorsky seeks next leap in rotorcraft technology". Flight Global. Archived from the original on 30 August 2020. We started with [the] X2 technology demonstrator at about 6,000lbs (2.7t) gross weight.

freepatentsonline.com

US 20150125299 "Counter-rotating Rotor System With Stationary Standpipe" PDF

globalsecurity.org

"Sikorsky X2 Technology™ Demonstrator Achieves 250-Knot Speed Milestone".

ieee.org

spectrum.ieee.org

Thomas Lawrence; David Jenney (31 Aug 2010). "The Fastest Helicopter on Earth". IEEE Spectrum. Archived from the original on 30 January 2017. Retrieved 1 August 2017. the helicopter vibrated so much at these higher speeds that its pilots struggled to control it .. The heavy and fuel-hungry jets pushed the aircraft to high speed

militaryaerospace.com

"Sikorsky X2 rotorcraft prototype makes final flight after proving technology for S-97 scout/attack helicopter". www.militaryaerospace.com. 17 July 2011.

nasa.gov

rotorcraft.arc.nasa.gov

Harris, Franklin D. "Rotor Performance at High Advance Ratio: Theory versus Test Archived 2013-02-18 at the Wayback Machine" page 119 NASA/CR—2008–215370, October 2008. Accessed: 13 April 2014.
Johnson, Wayne (January 18–20, 2012). "Design and Performance of Lift-Offset Rotorcraft for Short-Haul Missions" (PDF). NASA. p. 4. nominal gross weight of 5950 lb.

ntrs.nasa.gov

Datta, Anubhav et al. Experimental Investigation and Fundamental Understanding of a Slowed UH-60A Rotor at High Advance Ratios, page 2. NASA, 2011. Accessed: April 2014.

popularmechanics.com

Goodier, Rob (September 20, 2010). "Inside Sikorsky's Speed-Record-Breaking Helicopter Technology". Popular Mechanics. Retrieved 22 September 2010.

propilotmag.com

Chandler, Jay. "Advanced rotor designs break conventional helicopter speed restrictions (page 1) Archived July 18, 2013, at the Wayback Machine" Page 2 Archived July 18, 2013, at the Wayback Machine Page 3 Archived 2013-07-18 at the Wayback Machine. ProPilotMag, September 2012. Accessed: 10 May 2014. Archive 1 Archive 2

researchgate.net

Walsh, D (January 2011). "High airspeed testing of the Sikorsky X2 Technology™ demonstrator".

revistaaerea.com

"Sikorsky Innovations Introduces X2 Technology™ Light Tactical Helicopter Simulator" Sikorsky PR

rotor.com

flug-revue.rotor.com

"Sikorsky X2". Flug-Revue. Archived from the original on June 12, 2008. Retrieved 2007-06-25.

rotor.org

"Sikorsky X2 joins Smithsonian collection". Helicopter Association International. Helicopter Association International. 28 October 2016. Retrieved 5 December 2016.

rotorandwing.com

digitaledition.rotorandwing.com

Fell, William (April–May 2018). "X2 From the Pilot's View". digitaledition.rotorandwing.com. Archived from the original on 8 May 2019.

si.edu

airandspace.si.edu

Connor, Roger (25 October 2016). "Sikorsky X2 Helicopter Reaching New Speeds". National Air and Space Museum. Archived from the original on 16 May 2020. Retrieved 5 December 2016. Weight, empty: 2,404 kg (5,300 lb)

sikorsky.com

Sikorsky to Build and Test X2 Technology Demonstrator Helicopter Archived July 14, 2008, at the Wayback Machine. Sikorsky
"Sikorsky X2 Technology Demonstrator Achieves 250-Knot Speed Milestone". sikorsky.com. 15 September 2010. Archived from the original on 14 October 2013. Retrieved 23 September 2010.
"Award-Winning X2 Technology Demonstrator Takes its Final Flight - Program paved the way for upcoming S-97 Raider helicopter", Sikorsky Aircraft Corp., 14 July 2011.

raider.sikorsky.com

S-97 Rollout video Sikorsky

unicopter.com

Jackson, Dave. "Coaxial - Sikorsky ~ X2 TD" Unicopter, 18 September 2010. Accessed: April 2014. Archived on 13 September 2013.

upi.com

Tomkins, Richard. "Sikorsky powers on S-97 avionics" United Press International, 17 June 2014. Accessed: 19 June 2014. Archived on 18 June 2014.

usni.org

news.usni.org

Majumdar, Dave. "Sikorsky and Boeing Team Submit New Army Helicopter Design" - News.USNI.org, 17 June 2014. Accessed: 19 June 2014. Archive
U.S. Army Selects Bell and Sikorsky/Boeing to Build Prototypes for Next Generation Helicopter Program - News.USNI.org, 3 October 2014

utc.com

"X2 Technology Demonstrator Achieves 225 Knots, Sets New Top Speed for Helicopter - Target Milestone of 250 Knots Looms in Q3 2010". UTC.com, 15 June 2015.

vtol.org

D. Walsh, S. Weiner, K. Arifian, T. Lawrence, M. Wilson, T. Millott and R. Blackwell. "High Airspeed Testing of the Sikorsky X2 Technology Demonstrator^{[permanent dead link]}" Sikorsky, May 4, 2011. Accessed: October 5, 2013.
"Howard Hughes Award", American Helicopter Society

legacy.vtol.org

Robb, Raymond L. Hybrid Helicopters: Compounding the Quest for Speed^{[permanent dead link]} p49, Vertiflite, Summer 2006. Quote: "Ultimately, the XH-59A achieved an incredible 303 mph"

web.archive.org

Thomas Lawrence; David Jenney (31 Aug 2010). "The Fastest Helicopter on Earth". IEEE Spectrum. Archived from the original on 30 January 2017. Retrieved 1 August 2017. the helicopter vibrated so much at these higher speeds that its pilots struggled to control it .. The heavy and fuel-hungry jets pushed the aircraft to high speed
XH-59A / X2 comparison IEEE
Sikorsky to Build and Test X2 Technology Demonstrator Helicopter Archived July 14, 2008, at the Wayback Machine. Sikorsky
First Flight Of Sikorsky X2 Demonstrator, Archived March 7, 2012, at the Wayback Machine Aviation Week & Space Technology, 27 August 2008. Accessed: 9 March 2012. Archived on 7 March 2012.
Chandler, Jay. "Advanced rotor designs break conventional helicopter speed restrictions (page 1) Archived July 18, 2013, at the Wayback Machine" Page 2 Archived July 18, 2013, at the Wayback Machine Page 3 Archived 2013-07-18 at the Wayback Machine. ProPilotMag, September 2012. Accessed: 10 May 2014. Archive 1 Archive 2
Fell, William (April–May 2018). "X2 From the Pilot's View". digitaledition.rotorandwing.com. Archived from the original on 8 May 2019.
Wilson, J.R. "Defense Interview: Mark Miller" Defense Media Network, 9 September 2011. Accessed: 4 October 2014. Archived on 2 November 2012.
"Sikorsky X2". Flug-Revue. Archived from the original on June 12, 2008. Retrieved 2007-06-25.
Harris, Franklin D. "Rotor Performance at High Advance Ratio: Theory versus Test Archived 2013-02-18 at the Wayback Machine" page 119 NASA/CR—2008–215370, October 2008. Accessed: 13 April 2014.
Croft, John (20 May 2010). "Sikorsky X2 breaks helicopter speed barrier". Flightglobal. Reed Business Information. Archived from the original on 28 May 2015. Retrieved 28 May 2015.
Dubois, Thierry (26 July 2011). "AgustaWestland". Aviation International News. Archived from the original on 11 October 2014. Retrieved 28 May 2015.
Warwick, Graham. "Sikorsky Talks To Customers About Potential Raider Applications" Aviation Week & Space Technology, 6 October 2014. Accessed: 3 October 2014. Photos Archived on 3 October 2014
Majumdar, Dave. "Sikorsky and Boeing Team Submit New Army Helicopter Design" - News.USNI.org, 17 June 2014. Accessed: 19 June 2014. Archive
Lynch, Kerry. "Sikorsky X2 Flies With Engaged Propeller" Aviation Week, 13 July 2009. Paywall
"Rotorcraft Absolute: Speed over a straight 15/25 km course Archived 2013-12-03 at the Wayback Machine". Fédération Aéronautique Internationale (FAI). Note search under E-1 Helicopters and "Speed over a straight 15/25 km course". Accessed: 26 April 2014.
"Sikorsky X2 Technology Demonstrator Achieves 250-Knot Speed Milestone". sikorsky.com. 15 September 2010. Archived from the original on 14 October 2013. Retrieved 23 September 2010.
Jackson, Dave. "Coaxial - Sikorsky ~ X2 TD" Unicopter, 18 September 2010. Accessed: April 2014. Archived on 13 September 2013.
Connor, Roger (25 October 2016). "Sikorsky X2 Helicopter Reaching New Speeds". National Air and Space Museum. Archived from the original on 16 May 2020. Retrieved 5 December 2016. Weight, empty: 2,404 kg (5,300 lb)
Warwick, Graham. "Sikorsky's X2 - Collier Win, Commercial Next?" Aviation Week, Mar 16, 2011. Accessed: March 8, 2014. Archive Archived March 9, 2014, at the Wayback Machine
Larson, George. "Sikorsky's X2 and the Collier Trophy Archived 2014-03-09 at the Wayback Machine" Aviation Week, Mar 23, 2011. Accessed: March 8, 2014.
Drew, James (2016-02-19). "ANALYSIS: Sikorsky seeks next leap in rotorcraft technology". Flight Global. Archived from the original on 30 August 2020. We started with [the] X2 technology demonstrator at about 6,000lbs (2.7t) gross weight.
Tomkins, Richard. "Sikorsky powers on S-97 avionics" United Press International, 17 June 2014. Accessed: 19 June 2014. Archived on 18 June 2014.

wired.com

Paur, Jason (15 July 2010). "Sikorsky's Record-Setting Helicopter Retires". WIRED. Retrieved 15 July 2011.

youtube.com

S-97 Rollout video Sikorsky