The SMR range of engines are all manufactured from the highest quality materials, to exacting standards and hand fitted and tested to ensure maximum longevity and the highest performance possible with each engine.
A batch of 14 precision ground piston/liner sets awaiting final assembly.
R100
Twin ball bearing diesel designed for sport free flight.
R100 Engine Details
Twin Ball race
Bore 11mm
Stroke 10.5mm
Capacity 0.95cc
Weight 92 gms
R150
Mk1 Tiger Cub twin ball bearing diesel for Vintage 1/2 A Team Race and Vintage Free Flight Power. 
Features Hard Chromed Cylinder Bore.
R150 Engine Details
Twin Ball Race
Bore 10.9mm
Stroke 15.88mm
Capacity 1.48cc
Weight 120 gms
R250
Mk3 Tiger 2.5cc twin ball bearing diesel developed for use in Vintage A class Team Racing, Vintage Combat and Vintage Free Flight Power. 
Features Hard Chromed Cylinder Bore.
R250 Engine Details
Twin Ball Race
Bore 14mm
Stroke 15.88mm
Capacity 2.44cc
Weight 162 gms
R320
A 3.2cc twin ball race diesel engine with Hard Chromed bore developed for Vintage combat in the UK. 
Features Hard Chromed Cylinder Bore.
R320 Engine Details
Twin Ball Race
Bore 16mm
Stroke 15.88mm
Capacity 3.19cc
Weight 178 gms
(Specifications may change without notice)
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