Editing Torpoint Ferry (section)

===Technical information===
The fully loaded weight of each ferry is given as 1,000 tonnes, powered by up to three 12-litre diesel engines with generators feeding the two electric motors each driving its chainwheel of nearly 2 m diameter. Normally one generator suffices; the extra two provide redundancy and extra power in bad weather or for extra speed. Each chain is 650 m long and weighs 23 t. There are eight guiding pulleys per chain and rubbing plates where the chains enter and leave the hull. The chains are replaced every three years.<ref>{{Cite web|url=https://www.tamarcrossings.org.uk/tamar-crossings-newsletter-december-2022/|title=Tamar Crossings Newsletter December 2022|date=9 December 2022|access-date=28 April 2024|archive-date=6 December 2023|archive-url=https://web.archive.org/web/20231206131433/https://www.tamarcrossings.org.uk/tamar-crossings-newsletter-december-2022/|url-status=live}}</ref>

Unlike most chain ferries with the chain ends attached directly to the shores, the chains of the Torpoint ferries are attached with a system of falling weights and pulleys on each shore and for each ferry. This keeps a minimum tension of 3 tonnes force on each chain, but also a maximum tension of this amount, plus some friction, as long as the weights are free to fall and rise in their pits.<ref>{{Cite web|url=https://www.tamarcrossings.org.uk/ferry-update-lynher-refit-may2020/|title=Ferry – Update LYNHER Refit May 2020|date=15 May 2020|access-date=28 April 2024|archive-date=27 January 2021|archive-url=https://web.archive.org/web/20210127090748/https://www.tamarcrossings.org.uk/ferry-update-lynher-refit-may2020/|url-status=live}}</ref>