Trunk Engine

Among them all, Penn's horizontal trunk-engine appears to be the favorite, and had performed so well in the Encounter of fourteen guns, the Arrogant of forty-six, the ❋ Various (N/A)

[Footnote 1: "Its large amount of friction" is an objection often speciously urged against the trunk-engine, although the friction diagram shows it to be actually less in this than in most other engines.] of the United States navy is the "horizontal direct action," with the connecting-rod returning from a cross-head towards the cylinder; these engines make from sixty to eighty revolutions per minute. ❋ Various (N/A)

They had determined to construct those engines on the vertical trunk-engine principle, in accordance with Mr. Humphries 'designs; and very complete works were erected by them at their Bristol dockyard for the execution of the requisite machinery, the most important of the tools being supplied by Nasmyth and Gaskell. ❋ Smiles, Samuel, 1812-1904 (1863)