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

Seacocks on a boat covered in a film

PBO reader Camilla Ransom has found a "strange film" on one of the boat's seacocks. What should she do? Surveyor Colin Brown has the answer

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