Type designation: | R-23 |
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Name: | Gébics |
Designer: | Ernő RUBIK and his team: Gábor JEREB, Ferenc SAMU, Gyöző SAJGÓ, Gyula KOVÁCS |
Class: | Training |
General arrangement: | Cantilever, shoulder wing, fixed wheel, V tail, bat-like airbrake |
Crew: | 1 |
First flight: | Jun 13, 1957 |
Manufacturer: | Central Workshop of the Hungarian Aeronautical Association, Dunakeszi |
Number of built: | 1 |
Dimensions: | |
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Wing: | |
Span, m: | 13,0 |
Area, m2: | 13,0 |
Aspect ratio: | 13,0 |
Chord (root), m: | 1,0 |
Chord (tip), m: | 1,0 |
Airfoil (root), m: | Gö-549 mod. |
Airfoil (mid-span), m: | Gö-549 mod. |
Airfoil (tip), m: | Gö-549 mod. |
Dihedral, degree: | 3,0 |
Sweep, degree: | 0 |
Washout: | Aerodynamic |
Aileron: | |
Span, m: | 3,2 |
Mean chord, m: | 0,32 |
Total area, m2: | 1,2 |
Balancing: | Aerodynamic and 75% mass |
Flap: | |
Type: | None |
Airbrakes: | |
Type: | Bat-like |
Position (upside/downside): | Under the wing on the side of the fuselage |
Total area, m2: | 0,6 |
Horizontal stabilizer: | |
Span, m: | 2,5 |
Area, m2: | 2,6 |
Elevator: | |
Span, m: | 2,5 |
Area, m2: | 1,15 |
Airfoil: | 9% |
Balancing: | None |
Trim: | Yes |
Vertical stabilizer and rudder: | |
Total area, m2: | 1,5 |
Rudder area, m2: | 0,66 |
Balancing: | None |
Fuselage: | |
Length, m: | 7,5 |
Width, m: | 0,64 |
Height: | 1,16 |
Cross section, m2: | 0,61 |
Landing gear: | |
Type: | Fixed, unsprung |
Wheel diameter, m: | 0,26 |
Masses: | |
Wing, kg: | 84 |
Fuselage, kg: | 65 |
Tail unit, kg: | 9 |
Empty glider, kg: | 168 |
Gross, kg: | 264 |
Ballast, kg: | None |
Wing loading, kg/m2: | 20,3 |
Speeds: | |
VNE, km/h: | 235 |
Max. speed with open airbrakes, km/h: | 190 |
Max. aerotow speed, km/h: | 130 |
Max. winch speed, km/h: | 100 |
Max. speed in rough air, km/h: | ? |
Stall speed, km/h: | 52 |
Performance: | |
Min. sink, m/s (at gliding speed, km/h): | 0,85/65 |
Best L/D (at gliding speed, km/h): | 21,1/74 |
Start methods: | 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