Many arguments about the capabilities of a tug can be quickly settled when you can conduct a full-ahead power, bollard pull test. “Many captains will argue about horsepower, hull design, rudder angles ...

Testing is extremely important. Anytime we conduct a test, be it at the track or on a dyno, two things come to mind. One is a tech column Bob Bolles wrote a while ago about all of us being scientists.

Please provide your email address to receive an email when new articles are posted on . A hair pull test should have normal values reduced to two hairs or fewer and the current 4- to 5-day restriction ...