Stu Davies

Stu Davies

Stu Davies has worked for most of his life as an oil field maintenance engineer in Africa and the Middle East. He has fixed a wide range of mechanical parts from the smallest of engines to enormous 4,000hp gas turbines.

Boats have been part of Stu’s life since his teenage years and he has been sailing for more than 20 years.

He currently owns a Beneteau 381, which is based in Portugal, and his wife Laura is a superb yotty who can wield a Singer sewing machine or a spanner with the best of us.

A man checking a water pump impeller on a boat engine

Stu Davies shows you how to check and replace an engine’s raw water pump impeller, and explains why it’s an important job

A propeller removed from a boat

While changing his engine oil, Chris Mardon noticed milky oil in his saildrive. Will it have caused damage to the leg? Stu Davies has the answer

cleaning-rusty-engine-innards-ask-the-experts

Alan Carter from Dunfermline writes: “I’m on the way to solving the problem of rusty innards in my old boat engine – something that afflicts the engines of many practical…

A raw water pump for a boat

PBO reader Clive Hathway has a leaking raw water pump. Should he buy a replacement or rebuild it? Stu Davies gives his advice

A bottle of Shell GTL fuel

Would gas to liquid (GTL) fuel work better than diesel fuel? PBO's engine whisperer, Stu Davies ponders the question

A white yacht moored by a pontoon

PBO reader Will Kerr has an old dynastart and wants to know if it will be able to charge his batteries. Stu Davies has the answer