| 词条 | Schleicher ASW 27 | |||||||||||||||
| 释义 |
The ASW 27 is a 15 metre Class glider built of modern fibre reinforced composites, which first flew in 1995 and was certified in 1997. The manufacturer of the ASW 27 is Alexander Schleicher GmbH & Co. The "W" indicates this is a design of the influential and prolific German designer Gerhard Waibel. Design and developmentThe ASW 27 has plain flaps, winglets, a retractable undercarriage and a water ballast system. The ASW 27 superseded the ASW 20 in the manufacturer's production line. The structure is a complex composite of carbon, aramid and polyethylene fibre reinforced plastic. This permits a light structure with the strength to carry large amounts of water ballast, thus permitting the widest possible range of wing loadings for weak and strong soaring weather. The strong fuselage was tested for crash protection by dropping one from a crane. The winglets were standard equipment from the beginning, but were later enlarged in the ASW-27B development. The "B" also has tanks to hold water ballast rather than bags. The ASW 27 does not have a version with wing extensions for 18 metres. This was a design decision to pursue an uncompromised 15 metre racer, as "future engine retrofits or later wingspan increases were specifically ruled out". The introduction of the ASG 29 gave the ASW 27 a stablemate that can compete in the same class, although the 29 is intended to fly primarily with an 18-metre span and can be motorised. Because of the overlap with the ASG 29, production of the ASW27 has now ceased. Specifications{{Aircraft specs|ref=[1] |prime units?=met |crew=1 |capacity= |length m=6.55 |length ft= |length in= |length note= |span m=15 |span ft= |span in= |span note= |upper span m= |upper span ft= |upper span in= |upper span note= |mid span m= |mid span ft= |mid span in= |mid span note= |lower span m= |lower span ft= |lower span in= |lower span note= |swept m= |swept ft= |swept in= |swept note= |dia m= |dia ft= |dia in= |dia note= |width m= |width ft= |width in= |width note= |height m= |height ft= |height in= |height note= |wing area sqm=9 |wing area sqft= |wing area note= |swept area sqm= |swept area sqft= |swept area note= |volume m3= |volume ft3= |volume note= |aspect ratio=25 |airfoil=Root: DU 89-134/14, Tip: DU 94-086 M4 |empty weight kg=245 |empty weight lb= |empty weight note= |gross weight kg=500 |gross weight lb= |gross weight note= |max takeoff weight kg= |max takeoff weight lb= |max takeoff weight note= |more general= |max speed kmh= |max speed mph= |max speed kts= |max speed note= |max speed mach= |cruise speed kmh= |cruise speed mph= |cruise speed kts= |cruise speed note= |stall speed kmh= |stall speed mph= |stall speed kts= |stall speed note= |never exceed speed kmh=285 |never exceed speed mph= |never exceed speed kts= |never exceed speed note=
|minimum control speed kmh= 70 |minimum control speed mph= |minimum control speed kts= |minimum control speed note= with no ballast and full flaps |g limits=+5.3 -2.65 at {{convert|215|km/h|mph kn|abbr=on|1}} |roll rate= |glide ratio=48 |sink rate ms=0.58 |sink rate ftmin= |sink rate note= at |lift to drag= |wing loading kg/m2= |wing loading lb/sqft= |wing loading note= |more performance= }} See also{{aircontent|see also= |related= |similar aircraft= |lists=
}} References1. ^Flight manual, Schleicher {{Commons category|ASW 27}}
6 : Schleicher aircraft|German sailplanes 1990–1999|Glider aircraft|Aircraft first flown in 1995|T-tail aircraft|Shoulder-wing aircraft |
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