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词条 Diana Sailplanes Diana
释义

  1. Design and development

  2. Competition Awards

  3. Variants

  4. Specifications (Diana 1)

  5. See also

  6. References

  7. External links

name=SZD 56 Diana image= Sebastian_Kawa_over_the_Andes.JPG caption= SZD 56-2 Diana 2, training before World Grand Prix, Andes

}}{{Infobox Aircraft Type

type=15 Meter-class sailplane national origin=Poland manufacturer=Avionic, Górki Wielkie, POLAND. Previously manufactured by : PZL-Bielsko, Design Office B Bogumił Bereś designer=Bogumił Bereś, Krzysztof Kubrynski[1]
12 January {{avyear>2005}} (Diana 2)
introduced= retired= status= primary user= number built= developed from= variants with their own articles=
}}
{{coi|date=June 2018}}

The SZD-56 Diana is a 15 metre class glider originally designed by Bogumił Bereś at PZL-Bielsko. However, PZL Bielsko went bankrupt before it could be put into serial production. The rights to the design were taken over by a new entity, Diana Sailplanes, which developed the design further and called it the Diana 2. By 2011 the aircraft was being produced by Design Office Bogumil Beres. The glider first flew on 12 January 2005.[2]

Design and development

  • The Diana is a single-seat high-performance 15-metre class sailplane. It is a mid-wing cantilever monoplane with a T-tail unit. It has an all composite carbon-aramid-epoxy structure. The spar-less wing[3] has plate airbrakes protruding from the upper surface only with full-span flaperons. The Diana has a retractable main landing gear with a fixed tail wheel.
  • The Diana 2 features a number of structural innovations. The wing had been designed by Krzysztof Kubrynski, Ph.D., using numerical flow simulation methods (computer programs of his design).[4] It uses a variable profile belonging to the KL-002 family.[5] For fuselage-wing interference minimization reasons, the wing is thinner at the root.[5] Also, the leading and trailing edges do not follow any straight lines, necessitating a production process that depends heavily on CNC technology. The new wing offers considerably better performance at high speeds and better immunity from surface contamination.[5] The glider also features an unusual side-stick control system to accommodate the pilot in its unusually narrow cockpit. As the maximum possible water ballast that can be carried in the wings is almost 60 kg (130 lb) heavier than the empty weight of the glider, the Diana 2 has a very large range of wing loadings, from 28 to 58 kg/m² (5.7 to 11.9 lb/ft²).[6]
  • In October 2016 Diana's IP rights for the design were passed to Polish company AVIONIC, who announces number of innovations which to increase performance and comfort of the flight. In short time period company introduces new version of the sailplane called NG ( New Generation ). New generation includes fixes and improvements for pilot comfort. After 2 years of development company introduces version with front-end electric sustaining (FES) engine and completely new design for 18 metre class glider called Diana 3 KKB 18KE.
  • The idea for a new model of the KKB glider, whose creators were Jiří Kusbach, Oldřich Bartoník, appeared during the Grand Prix competition in Chile in 2010, where several Polish glider pilots together with Czech pilot Ludek Kluger suggested to combine the wings of "Diana-2" with the KKB fuselage. In autumn 2010 there was a meeting with the constructor of the wings "Diana-2" inż. Krzysztof Kubryński as a result of which the idea of connecting the wings of "Diana-2" was abandoned due to the bad impact of the fuselage on the wings. However, the engineer came out with the initiative to design completely new wings for the KKB fuselage with a span of 18 meters. Project started immediately and in the summer of 2011 was ready. In the following, the first prototype was created with new wings. Towards the end of 2016, load calculations were completed, fuselage load tests were carried out, and in January 2017 a load test of the wing was performed to finish the finishing work on the glider. In December 2017, the Polish company Avionic SP.J. from Górki Wielkie near/Bielsko - Biała purchased the rights to the glider and company offer was increased by a glider in the 18 meter class, which was given the name Diana-3. It is a continuation of the design and construction thought of Professor Kubryński who now, together with Avionic, has taken up the challenge of returning the Polish glider industry to global market. Currently, the project team under the supervision of a professor working on a 24-metre wingspan glider for open class.

Competition Awards

2005 – Janusz Centka wins the silver medal in 13th European Gliding Championships in Rayskala – Finland

2005 – Janusz Centka wins the silver medal in 30th Open Class Polish Nationals in Leszno – Poland

2005 – Sebastian Kawa wins the gold medal in 1st Gliding Races Championships in Saint Auban – France

2006 – Janusz Centka wins the gold medal in 31st Open Class Polish Nationals in Leszno – Poland

2006 – Janusz Centka wins the gold medal in 29th World Gliding Championships in Eskilstuna – Sweden

2007 – Janusz Centka wins the gold medal in 14th European Gliding Championships in Issoudun – France

2007 – Karol Staryszak wins the silver medal in 14th European Gliding Championships in Issoudun – France

2007 – Tomasz Krok wins the silver medal in 1st Polish 15m Class Championship 2007 Leszno – Poland

2007 – Sebastian Kawa wins the gold medal in 1st Polish 15m Class Championship 2007 Leszno – Poland

2007 – Sebastian Kawa wins the gold medal in 2nd FAI World Grand Prix Gliding at Omarama – New Zealand

2008 – Janusz Centka wins the silver medal in 30th World Gliding Championships in Luesse – Germany

2009 – Thomas Gostner wins the gold medal in Chilean National in Santiago – Chile

2009 – Sebastian Kawa wins the gold medal in 3rd World Air Games in Turin – Italy

2009 – Thomas Gostner wins the gold medal in 15 Italian Nationals – Italy

2009 – Stefano Ghiorzo wins the silver medal in 15 Italian Nationals – Italy

2009 – Lukasz Wojcik wins the silver medal in 15th European Gliding Championships in Nitra – Slovakia

2009 – Sebastian Kawa wins the gold medal in Pribina Cup, Nitra – Slovakia

2009 – Lukasz Wojcik wins the silver medal in Pribina Cup, Nitra – Slovakia

2009 – Sebastian Kawa wins the bronze medal in 7th Andes Open Soaring Championship

2009 – Thomas Gostner wins the gold medal in Campeonato Nacional Chileno in Santiago – Chile

2010 – Sebastian Kawa wins the gold medal in 3rd World Sailplane Grand Prix Final in Santiago – Chile

2010 – Thomas Gostner wins the bronze medal in 3rd World Sailplane Grand Prix Final in Santiago – Chile

2012 – Sebastian Kawa wins the gold medal in 32nd World Gliding Championships in Uvalde – USA

2014 – Sebastian Kawa wins silver medal in 5th World Championship Races Gliding at Sisteron – France

2014 – Sebastian Kawa wins the gold medal in 33rd World Gliding Championships in Leszno – Poland

2016 - Jerzy Zieba wins the silver medal in FAI Sailplane Grand Prix USA in Ionia – USA

2017 – Lukasz Grabowski wins the bronze medal in 34th FAI World Gliding Championships in Benalla – Australia

2017 – Sebastian Kawa wins the gold medal in 34th FAI World Gliding Championships in Benalla – Australia

2017 – Lukasz Grabowski wins the gold medal in 7th Polish 15m Class Championships in Kielce – Poland

2018 – Lukasz Grabowski wins the gold medal in Ostrow Glide, Polish Nationals 15m - Poland

Variants

SZD-56-1 Diana 1

Certified in Poland in 1997 originally, two built by PZL-Bielsko up to 1998, three built by Bogumil Beres from 2001.

SZD-56-2 Diana 2

Production variant built by Bogumil Beres and had a certification by EASA awarded in 2015.

SZD-56-2 Diana 2 NG (New Generation) (15-metre class)

Production variant built since 2017 after production rights were passed to Polish Company Avionic.

SZD-56-2 Diana 2 NG - FES (15-metre class)

Production variant built since 2018 by Avionic with a front-end electric sustaining (FES) engine.

Diana 3 KKB 18KE - FES (18-metre class)

Production variant built since 2018 by Avionic with a front-end electric sustaining (FES) engine.

Specifications (Diana 1)

{{aerospecs
|ref=[6]
|met or eng?=met
|crew=One
|capacity=240 kg (63.4 US gal / 529 lb) of water ballast
|length m=6.88
|length ft=22
|length in=5
|span m=15.00
|span ft=49
|span in=2
|swept m=
|swept ft=
|swept in=
|rot number=
|rot dia m=
|rot dia ft=
|rot dia in=
|dia m=
|dia ft=
|dia in=
|width m=
|width ft=
|width in=
|height m=1.35
|height ft=4
|height in=43
|wing area sqm=8.16
|wing area sqft=88
|swept area sqm=
|swept area sqft=
|rot area sqm=
|rot area sqft=
|volume m3=
|volume ft3=
|aspect ratio=27.57
|empty weight kg=182
|empty weight lb=401
|gross weight kg=500
|gross weight lb=1,100
|lift kg=
|lift lb=
|eng1 number=
|eng1 type=
|eng1 kw=
|eng1 hp=
|eng1 kn=
|eng1 lbf=
|eng1 kn-ab=
|eng1 lbf-ab=
|eng2 number=
|eng2 type=
|eng2 kw=
|eng2 hp=
|eng2 kn=
|eng2 lbf=
|eng2 kn-ab=
|eng2 lbf-ab=
|max speed kmh=270
|max speed mph=146 knots/170
|stall speed kmh=60
|stall speed mph=32.4 knots/ 37.2
|max speed mach=
|cruise speed kmh=
|cruise speed mph=
|range km=
|range miles=
|endurance h=
|endurance min=
|ceiling m=
|ceiling ft=
|glide ratio= > 50
|climb rate ms=
|climb rate ftmin=
|sink rate ms= 0.45
|sink rate ftmin=89
|armament1=
|armament2=
|armament3=
|armament4=
|armament5=
|armament6=
}}

See also

{{aircontent
|see also=
|related=
|similar aircraft=
  • Rolladen-Schneider LS10
  • Schempp-Hirth Ventus-2
  • Schleicher ASW 27
  • Schleicher ASG 29

|lists=
  • List of gliders

}}

References

1. ^Piotr Piechowski: Polnische Segelflugzeuge: SZD-56 Diana (in German) - accessed 2008-08-26
2. ^Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 141. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
3. ^Krzysztof Kubrynski (2006). Aerodynamic Design and Cross-country Flight Performance Analysis of Diana-2 Sailplane. Technical soaring, 30(3): 79-88.
4. ^www.samolotypolskie.pl: Krzysztof Kubryński
5. ^"Skrzydło SZD-52-2 Diana 2"
6. ^Diana Sailplanes: DIANA 2 - accessed 2008-08-26

External links

{{commons category|SZD-56 Diana}}
  • Diana Sailplanes
  • [https://www.diana2sailplane.co.uk Diana Sailplane UK]
  • [https://docs.wixstatic.com/ugd/770847_6a9b6201d1844575866bd71a811d25b8.pdf Performance Analysis]
  • [https://web.archive.org/web/20131106114950/http://www.easa.europa.eu/certification/type-certificates/docs/aircraft/EASA-TCDS-A.451_SZD--56_Diana-01-28032007.pdf EASA Type Certificate Data Sheet]
{{PZL aircraft}}{{Polish gliders}}

2 : Polish sailplanes 1990–1999|PZL aircraft

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