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Hydraulics handles the hassle of hauling helicopters

  • Nov 22, 2016
    blog

    Really! A Pneumatic Airplane?

    A reader in Germany recently contacted me to see if I could provide a copy of an article from 1959 on servovlaves. I told him I'd be happy to fulfill his request on one condition: Why on earth did he want a mearly 60 year old article on servovalves? He explained that he was working on his masters thesis on servovalves and needed a comprehensive example of what was available in the 50s to show how far we've come today. And it's a great article: 12 pages....More
  • Nov 13, 2014
    Article

    Tried & True Ways of Dealing with Air in Hydraulic Fluid

    Symptoms typical of an aerated hydraulic system plagued the F-104 aircraft for years. Aeration was caused by system components with built-in chambers and passages where free air (bubbles) collected when system fluid was saturated or at rest with no pressure acting on the fluid....More
  • Dec 29, 2012
    blog

    LC-130F Hercules comes out of deep freeze

    This entry will be a brief departure from my coverage of the Old Timer from Royal Oak. While going through issues of H&P from the late 1980s and early 1990s for this series, I've been coming across interesting articles, many of which are still useful today — despite being more than 20 years old. The article I'm summarizing today was written by former editor Dick Schneider and was originally published in the August 1988 issue. Seals come out of deep freeze...More
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