Tunnel crankcase
id:
tunnel-crankcase-268-166750
title:
Tunnel crankcase
text:
A tunnel crankcase, tunnel crankshaft or disc-webbed crankshaft is a design feature of a piston engine where the main bearings that support the crankshaft within the crankcase form the largest diameter of any part of the crankshaft and are larger than the crank webs. This requires a crankcase with a large tunnel instead of cross web supports for narrower main bearings, hence the name. Tunnel crankcases appeared in the 1930s with the first high-speed diesel engines. They were favoured by some mak
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Tunnel_crankcase
date created:
date modified:
2023-09-21T15:30:29Z
main entity:
{"identifier":"Q7853305","url":"https://www.wikidata.org/entity/Q7853305"}
image:
fields total:
13
integrity:
13