Rohrbach Ro III Rodra
Type
R III Civil 2 + 10 seat flying boat or
Military  3 - 4 seat reconnaissance
flying boat
R IIIa Military  3 - 4 seat
reconnaissance flying boat
R 2 (Japanese)
R 3 (Japanese)
Engine
2 Rolls-Royce Eagle IX
2 Lorraine-Dietrich
2 Hispano Suiza
2 Lorraine-Dietrich
Dimensions
Length 17.20 m,height 6.00 m, span
29.00 m, wing area 73.40 m2, aspect
ratio 11.46
Length 17.20 m,height 6.00 m, span
27.55 m, wing area 73.40 m2, aspect
ratio 10.34
   
Weights
Empty 3600 kg, fuel 1000 kg, oli 80
kg, crew 160 kg, pay load 1460 kg, 
load 2700 kg, flying weight 6300 kg
Empty 4680 kg, fuel 780 kg, oli 60 kg,
crew 160 kg, pay load 1010 kg,  load
2010 kg, flying weight 6690 kg
   
Performance
Max. speed 175 km/h at sea level, ,
cruising speed 160 km/h at sea level,
climb 2 m/sec., range 1440 km,
endurance 9 h, service ceiling 4000
m, landing speed 112 km/h
Max. speed 185 km/h at sea level, ,
cruising speed 170 km/h at sea level,
climb 2 m/sec., range 850 km,
endurance 5 h, service ceiling 3000
m, landing speed 110 km/h
   
Type
Werk.Nr
Registration
History
R2
 
J-BHAE
Delivered to Mitsubishi 1927 as Mitsubishi Experimental Type R 2. After testing given to Nippon Koku KK in Sept.
1927 together with the R 1.Before it got Rolls-Royce Eagle engines.Bad ezperiences when testing led to the R 3
R3
   
Built from parts from Germany  at Hiro Naval Arsenal . Modifications compared to R 2 made a real improvement
Ro IIIa
   
"Istambul". Delivered to Turkey
Ro IIIa
   
"Izmir". Delivered to Turkey