TAG : Andrew Mackey


Restoring ‘TheTwin’ Jacobsen Engine

The cleaned-up lower crank case with center split bearing in place. In part one, collector Andrew Mackey described the roots behind his love of Jacobsen engines. After a 20-year search, Andrew was the owner of not one, but two, Jacobsen Twins. While evaluating the near-running engine’s ...

Response to Thread Standards Concerns

Regular contributor Andrew Mackey responds to John Burgoyne (53/3/1: Thread standards) in the April/May 2018 Gas Engine Magazine. Andrew writes:The studs and nuts on the Oil city-south Penn half-breed engine restored by Andrew Mackey. As with much old equipment, they were non-standard. Photo by ...

Gas Engine Magazine

Preserving the History of Internal Combustion Engines