Fluid Power Journal

Raising the bar – Flow Controls: If in Doubt…

By Dan Helgerson, Fluid Power Journal Technical Editor— It’s probably the case that a high percentage of those reading this article have designed or …

Raising the bar: Focus on Energy (Revisited)

By Dan Helgerson, Fluid Power Journal Technical Editor— An electromechanical system can operate at about 96% overall efficiency. One study showed that fluid …

Raising the bar: The High Cost of Contamination

By Dan Helgerson, Technical Editor, Fluid Power Journal I was recently asked for information on energy lost due to contamination in a hydraulic system. I had …

Raising the bar: I Just Need a Moment

By Dan Helgerson — I was reviewing a recent article in Fluid Power Journal and came across the term “moment” followed by a parenthetical note indicating …

Raising the bar: So, You Want to Make a Difference

By Dan Helgerson  Something that has fascinated me for some time is how fluid power professionals must  be conversant if not competent in almost every field …

Raising the bar: Accumulators–Energy Savers or Energy Wasters?

By Dan Helgerson Do accumulators save energy or waste it? The answer is yes and yes. Let me explain. I started my fluid power career with a distributor who …

Raising the bar: Flow Means Go? Not Exactly

When designing a fluid power system, it is important to separate the concepts of flow and pressure. The pressure determines the force available, and the speed …

Raising the bar: Something for Your Toolbox

I have a collection of equations floating around in my head for use when trying to come up with a fluid power solution. The problem is, many times what I am …

Raising the bar: Speaking of Raising the bar…

By Dan Helgerson, Fluid Power Journal Technical Editor I have an opinion about using bar vs MPa. I have had the privilege of working on the equations for the …

Raising the bar: Memes to an End

By Dan Helgerson, Fluid Power Journal Technical Editor Merriam-Webster defines meme as a noun meaning “an idea, behavior, style, or usage that spreads from …