Issoire Silène Specifications (CE 75) References Navigation menu

French sailplanes 1970–1979















CE 75, E 78, and I 79 Silène
Role
Sailplane

National origin
France
Manufacturer

Siren, CERVA, Issoire
First flight
2 July 1974

Number built
6 by 1978

The Issoire Silène was a sailplane produced in France in the 1970s and early 1980s, intended primarily as a trainer. It was a conventional design of fibreglass construction in versions with fixed or retractable monowheel undercarriage. The aircraft featured side-by-side seating for two, with the seats slightly staggered in order to minimise fuselage width. French certification was obtained on 3 February 1978, and production began shortly thereafter at the rate of two aircraft per month.


The original CE 75 design was refined as the E 78, which featured a redesigned and roomier cockpit, and was again available in fixed and retractable undercarriage versions. A further development, the I 79, was in development in 1979, and featured tanks for water ballast as well as hydraulically operated flaps, undercarriage, and airbrakes.





Specifications (CE 75)



General characteristics



  • Crew: Two, pilot and instructor


  • Length: 7.95 m (26 ft 1 in)


  • Wingspan: 18.00 m (59 ft 1 in)


  • Height: 1.50 m (4 ft 11 in)


  • Wing area: 18.0 m2 (194 ft2)


  • Aspect ratio: 18


  • Empty weight: 320 kg (705 lb)


  • Gross weight: 540 kg (1,190 lb)

Performance



  • Maximum speed: 245 km/h (152 mph)


  • Maximum glide ratio: 38


  • Rate of sink: 0.6 m/s (116 ft/min)

Armament







References



  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 535..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em


  • Jane's All the World's Aircraft 1977-78. London: Jane's Yearbooks. pp. 581–82.


  • Hardy, Michael (1982). Gliders and Sailplanes of the World. Shepperton: Ian Allan. p. 109.


  • Coates, Andrew (1978). Jane's World Sailplanes and Motor Gliders. London: MacDonald and Jane's. p. 29.


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