A fully enclosed, high speed design with wet sump lubrication it quickly became popular for a range of applications including driving generators and flash steam hydroplane racing.
An older engine, this one has come to us as part of a large collection of Stuart models. It is complete and turns over freely, although doesn't currently run on air - we suspect leakage past either the pistons or valve, it will need disassembling to investigate.
There is more information about this interesting design on Stuart's website here.
length/inches | 5 |
width/inches | 4 |
height/inches | 3 1/2 |
weight/kg | 1/2 |
bore x stroke/inches | 5/8 x 5/8 |
lubricator type | displacement |