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The Franklin PS-2 is an American , high-wing , strut-braced , single seat, glider that was designed by R. E. Franklin and produced by the Franklin Glider Corporation starting in 1930.[1] [2]
Design and development
[ edit ]
The prototype PS-2 was the 50-foot (15 m ) wingspan Texaco Eaglet , flown in 1930. The production PS-2 had shorter 36 ft (11.0 m ) wings.[1] [2]
The PS-2 is constructed with a steel tube fuselage and a wooden wing, all covered in doped aircraft fabric covering . The wings lack spoilers of other glide-path control devices and are supported by dual, parallel struts. The landing gear is a fixed monowheel and a skid.[1] [2]
Operational history
[ edit ]
Franklin XPS-2
The prototype Eaglet performed a number of long tows, including one flown by Frank Hawks from California to Elmira, New York in 1930[3] and is now in the National Air and Space Museum .[1] [2]
In 1934, the PS-2 was the glider of choice for the Lustig Skytrain experiment. The concept was to tow three gliders in tandem , taking off from New York City and releasing one each over Philadelphia , Baltimore and Washington, D.C. The gliders were piloted by Jack O'Meara , PS-2 designer R.E. Franklin and Stan Smith . The Skytrain was intended to be a proof-of-concept for a future airline service, but was not pursued.
The PS-2 was also used in 1934 for a United States Navy primary flight training experiment in Pensacola, Florida , designed by Ralph Barnaby [1] [2]
The PS-2 was also flown by many early glider pilots including Richard Chichester du Pont , Warren Eaton , Floyd Sweet and Stan Smith.[1] [2]
In 1983, two were reported as being still flown and one was under restoration by the designer's son, Chuck Franklin.[2] The Federal Aviation Administration had seven PS-2s registered in March 2011, including the Franklin-Stevens PS-2.[4]
Variants
[ edit ]
Texaco Eaglet
Prototype with 50-foot (15 m ) span wings[1] [2]
PS-2
Production model with a 36 ft (11.0 m ) wingspan[1] [2]
Franklin-Stevens PS-2
Modified model[5]
TG-15
United States Army Air Corps designation for eight PS-2 gliders impressed as training gliders in 1942.
TG-17
United States Army Air Corps designation for one PS-2 gliders impressed as a training glider in 1942 (serial number 42-57193 ).[6]
Aircraft on display
[ edit ]
Specifications (PS-2)
[ edit ]
Data from Sailplane Directory and Soaring[1] [2]
General characteristics
Crew: one
Wingspan: 36 ft 0 in (10.97 m )
Wing area: 180 sq ft (17 m 2 )
Aspect ratio : 7.2:1
Empty weight: 220 lb (100 kg )
Gross weight: 400 lb (181 kg )
Performance
Maximum glide ratio: 15:1
Rate of sink: 150 ft/min (0.76 m/s)
Wing loading: 2.22 lb/sq ft (10.8 kg/m2 )
See also
[ edit ]
References
[ edit ]
^ a b c d e f g h i j k Said, Bob: 1983 Sailplane Directory, Soaring Magazine , page 12. Soaring Society of America, November 1983. USPS 499-920
^ "Franklin "Texaco Eaglet" " . National Air and Space Museum . Archived from the original on December 24, 2015. Retrieved December 31, 2014 .
^ Federal Aviation Administration (March 2011). "Make / Model Inquiry Results" . Archived from the original on June 14, 2012. Retrieved March 24, 2011 .
^ a b National Soaring Museum (2011). "Sailplanes in Our Collection" . Archived from the original on May 16, 2011. Retrieved February 26, 2011 .
^ Heyman, Jos (February 1, 2015). "Training Glider (1941-1947)" (PDF) . usmilitaryaircraft.files.wordpress.com . Archived (PDF) from the original on July 12, 2019. Retrieved March 13, 2022 .
^ US Southwest Soaring Museum (2010). "Sailplanes, Hang Gliders & Motor Gliders" . Archived from the original on November 20, 2022. Retrieved May 26, 2011 .
External links
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t
e
USAAC/USAAF sequences (1924-1947)
Assault Glider
Bomb Glider
Cargo Glider
Fuel Glider
Powered Glider
Training Glider
1948 USAF redesignations
Tri-service sequence (1962-present)
1 Not assigned
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Franklin_PS-2&oldid=1221657760 "
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