| 词条 | Prue UHP-1 | |||||||||||||||||||
| 释义 |
The Prue UHP-1 is an American high-wing, single-seat, T-tailed FAI Open Class glider that was designed by Irving Prue.[1][2][3] Design and developmentThe prototype Prue UHP-1 was constructed by Prue, completed in 1966 and first flown in 1967.[1][2][3] The prototype features a NACA 63-618, with an all-metal wing with doped aircraft fabric covering aft of the wing spar. This arrangement did not hold the correct airfoil shape at high speeds according to tests conducted. The fuselage is also of all-metal construction and features a fixed monowheel landing gear, coupled with a skid, a conventional T-tail and a drag chute. Aside from the drag chute, glide path control is via spoilers.[1][2][4] Two Prue UHP-1s were built, the second incorporating many changes to the design. Both aircraft were registered as Experimental - Amateur-builts.[1][2][3] Operational historyThe second UHP-1 built was reported by the owner as having good handling characteristics and a lower minimum sink speed than a Schleicher ASW 17.[2] As of June 2011 both aircraft are still registered with the Federal Aviation Administration.[3] Variants
Initial prototype with fixed landing gear.[1][2]
The second aircraft, built in 1974, which incorporates an all-metal wing to address the fabric issues on the first aircraft. It also has retractable monowheel landing gear, the nose and canopy from a Schempp-Hirth Open Cirrus, flaps, water ballast and a fully trimmable tailplane. The aircraft is officially registered with the FAA as a UHP-1 MODIFIED and has an empty weight that is more than {{convert|100|lb|kg|0|abbr=on}} heavier than the prototype.[1][2][3] Specifications (UHP-1 Modified){{Aircraft specs|ref=Sailplane Directory and Soaring[1][2] |prime units?=imp
See also{{aircontent|see also= |related= |similar aircraft=
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}} References1. ^1 2 3 4 5 6 {{Cite web|url = http://www.sailplanedirectory.com/PlaneDetails.cfm?planeID=373|title = UHP-1 Prue|accessdate = 18 June 2011|last = Activate Media|authorlink = |year = 2006|deadurl = yes|archiveurl = https://archive.is/20130201224132/http://www.sailplanedirectory.com/PlaneDetails.cfm?planeID=373|archivedate = 1 February 2013|df = }} {{Irving Prue aircraft}}2. ^1 2 3 4 5 6 7 Said, Bob: 1983 Sailplane Directory, Soaring Magazine, page 57, Soaring Society of America November 1983. USPS 499-920 3. ^1 2 3 4 {{Cite web|url = http://registry.faa.gov/aircraftinquiry/AcftRef_Results.aspx?Mfrtxt=&Modeltxt=UHP-1&PageNo=1|title = Make / Model Inquiry Results|accessdate = 18 June 2011|last = Federal Aviation Administration|authorlink = |date=June 2011}} 4. ^{{Cite web|url = http://www.ae.illinois.edu/m-selig/ads/aircraft.html|title = The Incomplete Guide to Airfoil Usage |accessdate = 15 June 2011|last = Lednicer |first = David |authorlink = |year = 2010}} 2 : United States sailplanes 1960–1969|Homebuilt aircraft |
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