Bulletin No. BE-002/SZD-III. A-56/97
Tow release SZD-III – A – 56 Versions P and R
SZD-56-2 Diana 2 - 15m
Wing span - 15m / 49.2ft
Fuselage length - 6.88m / 22.5ft
Height - 1.35m / 4.43ft
Wing area - 8.64m² / 93ft²
Aspect ratio - 26.04
Empty mass - 185kg / 401.2lb
Max all-up mass - 500kg / 1102.5lb
Stall speed - 60km/h / 32.4 knots
Best L/D - > 50
Max V - 270km/h / 145,7 knots / 167 Mph
Wing loading - 28-58kg/m² / 5,73-11.85lb/ft²
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Diana 2 - biegunowa prędkości i osiągi szybowca
Several factors contribute to Diana 2's excellent performance.
The glider is made of very light and durable carbon-aramid-epoxy materials.
The total weight of the empty sailplane without water ballast is about 185 kg.
The ballast itself can weigh up to 250 kg in the wings alone.
Diana 2 can fly with the most variable wing load capacity of any existing sailplane in the 15-meter class (28-58 kg / m²)
The specific, lying position of the pilot in the cockpit made it possible to reduce the diameter of the fuselage along its entire length.
This solution made significantly reduce the hull resistance.
The unique wing designed by Professor Kubryński, weighing only 46 kg without ballast, has a huge impact on the glider's performance. Diana 2's perfection exceeds 50:1,
which gives great opportunities in cross-country flying and competition.
Perfectly designed aileron flaps allow for very quick maneuvering of the glider.
These are just a few of the factors that make the Diana 2 one of the best gliders in the world in the 15 meter class.
More details can be found in the study by Professor Kubryński here .
Nowa Generacja
Avionic resumed production of the SZD-56-2 and launched the New Generation of Diana 2 gliders.
The priority is to refine the existing solutions to increase
flight comfort and sailplane performance.
Initial modifications are listed below:
* Noise reduction at high flight speeds.
* Raised instrument panel to facilitate taking a seat in the cabin.
* Increasing the opening angle of the fairing.
* Additional, external antenna significantly increases
the range of the radio.
* New battery mounting position for easy access.
* Modification of ballast infusers for easier handling.
* Improving the operation of the trimmer.
* More comfortable and ergonomic pilot seat,
new backrests and armrests.
* Leather interior trim in any color.
Charakterystyczne dla Diany 2
The oblong cockpit has a large, front-hinged, gas – strut - suspended canopy, which is made in order to accommodate taller pilots up to 1,90m or even taller,
so they can also fly the Diana after making necessary adjustments of cushion,
headrest and rudder pedal position.
Tiltable instrument panel made in 'New Generation' sailplanes by AVIONIC, make taking place and seat comfortably in the cockpit easier than before.
Although the canopy all-round visibility from the cockpit is excellent and the tug plane can be seen clearly above the instrument panel.
What's really make this sailplanes unique is her enormous wing with
a loading of 28-58 kg/m²
Wing profile offers unique pressure distribution which making the Diana 2 top aerodynamic construction in 15-metre flapped class.
Diana 2 - Achievements
20 Gold medals
10 Silver
3 Bronze
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 – 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
2018 – Lukasz Grabowski wins the silver medal in 35th FAI WGC in Ostrow - Poland
2019 – Sebastian Kawa wins the gold medal in Previdza, European Gliding Championships 15m - Czech Republic
2020 – Sebastian Kawa wins the gold medal in Ostrow Glide, Polish Nationals 15m – Poland
2020 – Matthew Scutter wins the gold medal in Großrückerswalde, E2GLIDE - Germany
DIANA 2 - GALLERY
FES is an innovative electric propulsion used in gliding.
Developed and produced by LZ Design.
The capacity of the DIANA 2 FES glider for a weight of 360 kg
operating with the FES power unit
Engine power 26kW
Propeller diameter 1m
Maximum climb 1.7 m / s
Cruising altitude of 1300m
100km range
The length of the run is about 200m
Maximum load 110 kg
The maximum engine operation time at 100 km / h is about 60 minutes.
The performance of the DIANA 3 FES glider for the mass of ... kg
operating with the FES power unit
Engine power ... kW
Propeller diameter ... m
Maximum climb ... m / s
Cruising altitude .... m
Range .... km
The length of the inrun is about .... m
Maximum load .... kg
The maximum engine operation time at a speed of .... km / h, about .... minutes.