Piasecki PV-2 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Piasecki PV-2" in English language version.

refsWebsite

Global rank English rank

2web.archive.org

1^st place

1^st place

low place

low place

low place

low place

1enginehistory.org

low place

low place

1,349^th place

866^th place

donet.com

nationalaviation.blade6.donet.com

National Aviation Hall of Fame - Frank Piasecki Archived 2008-05-22 at the Wayback Machine

enginehistory.org

Erickson, Jack (1 November 2016). "Franklin1". www.enginehistory.org. Aircraft Engine Historical Society. Retrieved 21 January 2020.

illinois.edu

m-selig.ae.illinois.edu

Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.

piasecki.com

"History - single rotor helicopters: PV-2". 2001. Archived from the original on 2008-03-15.

web.archive.org

National Aviation Hall of Fame - Frank Piasecki Archived 2008-05-22 at the Wayback Machine
"History - single rotor helicopters: PV-2". 2001. Archived from the original on 2008-03-15.