Type designation: | R-22S |
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Name: | Június 18 |
Designer: | Ernő RUBIK |
Class: | High performance |
General arrangement: | Cantilever mid-wing, closed cockpit with bubble canopy, fixed wheel, traditional tail unit |
Crew: | 1 |
First flight: | Jun 29, 1950 |
Manufacturer: | Sportárutermelő V., Esztergom (former AeroEver Ltd.) |
Number of built: | 70 |
Dimensions: | |
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Wing: | |
Span, m: | 15.8 |
Area, m2: | 13,5 |
Aspect ratio: | 18.55 |
Chord (root), m: | 1,17 |
Chord (tip), m: | 0.45 |
Airfoil (root), m: | Gö 549 mod. |
Airfoil (mid-span), m: | Gö 549 |
Airfoil (tip), m: | W-192 |
Dihedral, degree: | 2 |
Sweep, degree: | -1 |
Washout: | Aerodynamic and -2 degrees geometric |
Aileron: | |
Span, m: | 4.5 |
Mean chord, m: | 0.3 |
Total area, m2: | 2.6 |
Balancing: | None |
Flap: | |
Type: | Plain |
Area, m2: | 1.65 |
Relative length, %: | 0.4 |
Movement (+/-), degree: | -7/+21 |
Airbrakes: | |
Type: | Rubik, later Göppingen |
Position (upside/downside): | u/d |
Total area, m2: | 0.46 |
Position, % of chord: | 0.42 |
Horizontal stabilizer: | |
Span, m: | 2.7 |
Area, m2: | 1.97 |
Elevator: | |
Span, m: | 2.7 |
Area, m2: | 1.11 |
Airfoil: | NACA 0009 |
Balancing: | None |
Trim: | Tab |
Vertical stabilizer and rudder: | |
Total area, m2: | 1.56 |
Rudder area, m2: | 0.896 |
Balancing: | None |
Fuselage: | |
Length, m: | 6.5 |
Width, m: | 0.62 |
Height: | 0.97 |
Cross section, m2: | 0.52 |
Landing gear: | |
Type: | Fixed |
Wheel diameter, m: | 0.260 |
Masses: | |
Wing, kg: | 100 |
Fuselage, kg: | 62 |
Tail unit, kg: | 9 |
Empty glider, kg: | 180 |
Gross, kg: | 280 |
Ballast, kg: | None |
Wing loading, kg/m2: | 20.8 |
Speeds: | |
VNE, km/h: | 220 |
Max. speed with open airbrakes, km/h: | 220 |
Max. aerotow speed, km/h: | 100 |
Max. winch speed, km/h: | 90 |
Max. speed in rough air, km/h: | 125 |
Stall speed, km/h: | 64 |
Performance: | |
Min. sink, m/s (at gliding speed, km/h): | 0.74/68 |
Best L/D (at gliding speed, km/h): | 25.7/72 |
Start methods: | Bungee, Winch, Aerotow |
Origin of data and 3-view drawing:
Jereb Gábor: Magyar vitorlázó repülőgépek, Műszaki Könyvkiadó, 1988, Budapest
(Gábor JEREB: Hungarian Gliders, Technical Publishing House, 1988, Budapest)
Gábor FEKECS E-mail: fekecs.gabor@t-online.hu