Adjective
Serving to draw; pulling; attracting; as, tractive power.
Source: Webster's dictionaryApproximately 95% of the tractive effort in the San Francisco system is expended in simply moving the four cables at 9.5 miles per hour. Source: Internet
They are usually armed with machine guns and grenade launchers and usually tracked to provide enough tractive force to push blades and rakes. Source: Internet
Passenger locomotives develop less starting tractive effort but are able to operate at the high speeds demanded by passenger schedules. Source: Internet
Therefore, the combination of starting tractive effort and maximum speed is greatly influenced by the diameter of the drivers. Source: Internet
They do not develop as much starting tractive effort as a freight unit but are able to haul heavier trains than a passenger engine. Source: Internet
This involves one or more powered vehicles being located at the front of the train, providing sufficient tractive force to haul the weight of the full train. Source: Internet