Schreder Airmate HP-11 explained

The Schreder Airmate HP-11 is an American mid-wing, V-tailed, single seat glider designed by Richard Schreder.[1] [2] Airmate was the name of Schreder's design company.

Design and development

The HP-11 (HP stands for high performance) was designed to compete in the FAI Open Class in the 1962 US Nationals and represented the designer's continued pursuit of the perfect competition sailplane.

The HP-11 is an all-metal design, with a wing that features a 26:1 aspect ratio, a 521NaN1 wingspan and a NACA 65 (3)-618 airfoil, the same airfoil that had been used on the HP-8 and HP-10.

A total of 42 HP-11s were built from kits and plans before production was ended in favour of the Schreder HP-14.

Operational history

Flying the HP-11 in the 1962 US Nationals, Schreder came in third in the competition and had the longest flight, 4690NaN0. Schreder also flew it to third place in the Open Class at the 1963 World Gliding Championships held at Junín, Buenos Aires Province, Argentina. At that event Schreder flew a 3820NaN0 flight.

In April 2011 there were 28 HP-11s registered with the US Federal Aviation Administration and three with Transport Canada.[3] [4]

Variants

HP-11
  • Initial model, with fixed monowheel landing gear.
    HP-11A
  • Improved model for amateur construction from plans or kits, with a retractable monowheel landing gear.
    Bowlus BZ-1
  • Version designed by Michael Bowlus with the front fuselage from a North American F-86 Sabre drop tank, the tail from an HP-18 and the wings from an HP-11. The wingspan was reduced to 151NaN1.
    Kohler Alpha
  • Version with a newly designed fuselage and HP-11 wings.

    Aircraft on display

    External links

    Notes and References

    1. Web site: HP-11 Airmate HP Aircraft, LLC. 12 April 2011. Activate Media. 2006. dead. https://web.archive.org/web/20110820205029/http://www.sailplanedirectory.com/PlaneDetails.cfm?planeID=160. 20 August 2011.
    2. Said, Bob: 1983 Sailplane Directory, Soaring Magazine, page 19. Soaring Society of America, November 1983. USPS 499-920
    3. Web site: Make / Model Inquiry Results. 12 April 2011. Federal Aviation Administration. April 2011.
    4. Web site: Canadian Civil Aircraft Register. 12 April 2011. Transport Canada. April 2011. dead. https://web.archive.org/web/20110718042755/http://wwwapps2.tc.gc.ca/Saf-Sec-Sur/2/ccarcs/aspscripts/en/quicksearch.asp. 18 July 2011.
    5. Web site: Sailplanes in Our Collection. 26 February 2011. National Soaring Museum. 2011. dead. https://web.archive.org/web/20110516142717/http://www.soaringmuseum.org/collection.html. 16 May 2011.
    6. Web site: Sailplanes, Hang Gliders & Motor Gliders. 26 May 2011. . 2010.
    7. Web site: Aircraft Displays of the Chico Air Museum 2012. 12 February 2020. Chico Air Museum. www.chicoairmuseum.org . 2012. https://web.archive.org/web/20150322003128/http://www.chicoairmuseum.org/CAM_Aircraft_Slide_Show_in_pdf.pdf. 22 March 2015 .

    This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Schreder Airmate HP-11".

    Except where otherwise indicated, Everything.Explained.Today is © Copyright 2009-2024, A B Cryer, All Rights Reserved. Cookie policy.