| 词条 | Legrand-Simon LS.60 | |||||||||||||||||||
| 释义 |
The Legrand-Simon LS.60 is a single-engine, high-wing monoplane seating two side-by-side. It was built in France in the early 1960s in response to a government competition for a club trainer. It won the competition but nevertheless failed to go into production; only the prototype, which still flies, was completed. Design and developmentIn the late 1950s a collaboration between Paul Legrand, an aviation engineer employed by SNECMA and Michel Simon of Breguet Aviation led to the LS.50 two seat light aircraft, built as a one-off prototype. They developed this into the LS.60 which was intended for production and was entered into a government competition for a club trainer.[1] The LS.60 has a high, braced wing of constant chord, mounted with 5° of dihedral. It has two plywood spars with a plywood-Klégécell (a structural foam) torsion box between them and light alloy leading edges. There are full span, fixed slots on the leading edges and wooden, slotted ailerons and flaps. The wings are braced with a single strut on each side to the lower fuselage. The central fuselage is steel framed, with a cabane which forms the upper cabin and joins the wings. Below there is a steel U-shape cross member which links the two sides of the cabane and carries attachment points for the seats, controls, undercarriage and wing struts. The fuselage is rectangular in section, the forward part covered with a ply-Klégécell sandwich and the rear sides and bottom with plywood alone. The upper side is fabric covered. The cowling over the 67 kW (90 hp) Continental C90 flat four engine, which drives a two blade propeller, is glass fibre. The fin is an integral part of the fuselage structure and, like the cantilever horizontal tail is ply covered over a wooden structure; only the rudder is fabric covered. The tail surfaces are straight edged and the tailplane is placed at mid fuselage and well to the rear, with the rudder moving above it and its leading edge under the rudder hinge. Both rudder and elevators carry trim tabs.[1][3] The SL.60's underwing cabin provides dual control from the side-by-side configuration seats, accessed by doors on each side which have full width, narrow longitudinal bulges to provide extra elbow room. Baggage storage is under the seats.[1][3] The undercarriage is fixed and conventional, with mainwheels on hinged cantilever tube steel legs which have horizontal extensions under the fuselage that are rubber sprung to the centre structure.[6] The mainwheels have brakes and the tailwheel is steerable.[1] The prototype LS.60 was built at the Breguet factory and first flew on 27 April 1961.[1] It was declared competition winner and production of 200 aircraft was anticipated, but this did not happen and only the prototype was ever built.[6] Operational historyThe sole LS.60, F-PJSA (previously F-BJSA and F-WJSA) was flying in France as recently as 2006[10] and remained on the French register in 2010. Specifications{{Aircraft specs|ref=Jane's All the World's Aircraft 1962-63[1] |prime units?=met
}}{{aircontent |see also= |related= |similar aircraft= |lists= }} References1. ^1 2 {{cite book |title= Airlife's World Aircraft|last=Simpson|first=Rod|edition=| year=2001|volume= |publisher=Airlife Publishing Ltd |location=Shrewsbury |isbn=978-1-84037-115-4|page=323}} [1][2][3][4]2. ^1 2 3 4 5 6 {{cite book |title= Jane's All the World's Aircraft 1962-63|last= Taylor |first= John W R |coauthors= |edition= |year=1962|publisher= Sampson Low, Marston & Co. Ltd|location= London|isbn=|page=45 }} 3. ^1 {{cite web |url=http://www.abpic.co.uk/search.php?q=F-PJSA&u=reg|title=F-PJSA |author= |date= |work= |publisher= |accessdate=23 October 2012}} 4. ^1 2 {{cite web |url=http://richard.ferriere.free.fr/monograph/ls-60.htm|title=Legrand-Simon LS.60 |author= |date= |work= |publisher= |accessdate=24 October 2012}} }} External links{{commons category|Legrand-Simon LS.60}}
4 : French sport aircraft 1960–1969|High-wing aircraft|Single-engined tractor aircraft|Aircraft first flown in 1961 |
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