11. This was the reason for the high boiler pressure of, which allowed smaller pistons. 12. The Belpaire firebox included a combustion chamber and the boiler pressure was a high. 13. This resulted in a correspondingly reduced tractive effort, from at 75 % of boiler pressure . 14. The first was a higher boiler pressure than was normally used on British merchant ships. 15. The boiler pressure was, the front wheels were on a Bissel truck and fitted with bunker. 16. The rebuilds increased the class weight to with on the drivers, boiler pressure and tractive effort. 17. This reduced their tractive effort to at 75 % of boiler pressure , which was set at. 18. He had the boiler pressure -tested and, despite its being in poor condition, bought it for ?75. 19. The engine ran at forty piston strokes a minute, with an unprecedented boiler pressure of 145 psi. 20. Pressure drop through the blastpipe nozzle was subtracted from the boiler pressure available to the steam pistons.
