Ronald Valentine Engines
The finest miniature engines in the world
IMO Primus
1961 IMO Primus 1.0cc Diesel Engine
Technical Data:
Bore 10.3 mm
Stroke 11.8 mm
Rpm 15,000 rpm
Power 0.11 Hp
Total combustion 0.98 cc
Weight 65 g
Intake front
Technical Data:
Bore 10.3 mm
Stroke 11.8 mm
Rpm 15,000 rpm
Power 0.11 Hp
Total combustion 0.98 cc
Weight 65 g
Intake front
E. K. Junginger designed the IMO Primus for free flight competition and the IMO Champion 2.5cc for team racing.
IMO Technik-Oberursel Taunus
IMO Primus 1cc Diesel Engine
1961 IMO Primus 1.0cc
