John Hewitt
John's latest writings
A dive trip to Scapa Flow wrecks of WW1
The Orkney Islands, location of Scapa Flow a natural harbour since the days of the Norse invaders, more recently a base for the Royal Navy, The final resting place for the remains of the German High Seas Fleet and the destination for this years Selby Aquanauts diving expedition. The story starts at the beginning of the twentieth century when Germany envious of the colonies of her European neighbours and the wealth... (posted by John 3 years 246 days ago.)
The Orkney Islands, location of Scapa Flow a natural harbour since the days of the Norse invaders, more recently a base for the Royal Navy, The final resting place for the remains of the German High Seas Fleet and the destination for this years Selby Aquanauts diving expedition. The story starts at the beginning of the twentieth century when Germany envious of the colonies of her European neighbours and the wealth... (posted by John 3 years 246 days ago.)
Choosing a Dry Suit
A suit to use in cold conditions is a major investment for most divers. You are not just investing in keeping dry but also in keeping warm. To do this it must fit well with seals that are efficient at the neck and wrists. Dry suits can be split into two main categories:-Neoprene and membrane. The former keeps you warm due to the thickness of the foam although the foam does compress during descent becoming thinner the deeper you go. As... (posted by John 3 years 246 days ago.)
A suit to use in cold conditions is a major investment for most divers. You are not just investing in keeping dry but also in keeping warm. To do this it must fit well with seals that are efficient at the neck and wrists. Dry suits can be split into two main categories:-Neoprene and membrane. The former keeps you warm due to the thickness of the foam although the foam does compress during descent becoming thinner the deeper you go. As... (posted by John 3 years 246 days ago.)
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