The engine runs well on air in either direction, with slight leakage past the regulator.
gauge | Gauge 1 & smaller |
length/inches | 20 |
width/inches | 3 1/2 |
height/inches | 5 |
weight/kg | 5 1/2 |
bore x stroke/inches | 4 cylinder, 11mm x 22mm |
minimum radius/feet | 2 meter |
cylinder material | gunmetal |
valve type | slide |
valve gear | Walschaerts |
reverser type | screw |
lubricator type | Roscoe displacement |
boiler maker | Aster |
CE mark | n/a - < 2 litre capacity |
working pressure/psi | 4Kg/cm2 |
boiler type | spirit-fired |
boiler material | copper |
boiler construction | silver soldered |
superheater(s) | 2 |
superheater type | flue tube |
safety valve(s) | 2 (+ 2 dummy) |
safety valve type | spring |
mechanical pump | 1 x axle pump |
hand pump | 1 |