Author Archives

Diving since 1961 – with a background in military, commercial, recreational and technical diving – David Strike has dived extensively throughout the Asia Pacific region, has authored several hundred articles about diving, is the recipient of the ADEX ‘Lifetime Achievement Award’ for contributions to Technical Diving, a Fellow of the Explorers Club of New York, and the former owner and organiser of the biennial OZTeK Technical Diving Conference and a regular speaker and presenter at regional and international diving events. He is presently engaged in producing a series of diving-related books.

  • Hydrogen in the Mix

    In the early part of the 20th century, American physicist and chemist, Professor Elihu Thomson – the person credited with putting the eventual use of helium on the diving menu – had originally proposed the use of hydrogen as a… Read More ›

  • An Early ‘Try-Dive’.

    A section of the classic work, ‘Deep Diving And Submarine Operations’, by (Sir) Robert H. Davis, is devoted to, ‘Divers’ Yarns And Adventures’, and includes the story of an early ‘Try-Dive’ by Robert Louis Stevenson (1850 – 1894), the author… Read More ›

  • Colour Me Blue

    Suffering for one’s art is a cross that all of us underwater photographers learn to bear.  I say “us”, because while my talents in this field have never been properly recognised, I’ve more than paid my dues in terms of… Read More ›

  • An Audience With Ho Chi Minh

    In the late ‘Eighties – before tourism to that country had taken off – Sylvia and I were granted visas to visit Vietnam, spending just over two weeks visiting Hanoi, Hue, Da Nang, Hoi An and Saigon (re-named Ho Chi… Read More ›

  • The Search for X5

    Developed by the Royal Navy during WWII, the X-craft were midget submarines manned by a crew of four – one of whom was the designated diver.  Because of their limited range, the smaller X-Craft would be towed by a ‘mother’… Read More ›

  • Bruco And The Door-Stop

    Designed by Australian, Ted Eldred, the ‘Porpoise’ became the world’s first single-hose, open-circuit regulator. A major disadvantage of the early models was the lack of a mechanism to purge water from the second-stage chamber should it become dislodged from the… Read More ›