A collection of observations and information from 50 years of engineering experience
Articles
An Engineer’s View of the Two Horse Brand
Figure 1. Levi’s Two-Horse Brand Logo Patch Decades back I recall our pump company dress code was relaxed for a weekly “Casual Friday.” I estimate this dress code accommodation occurred...
An Engineer’s View of the Two Horse Brand
Figure 1. Levi’s Two-Horse Brand Logo Patch Decades back I recall our pump company dress code was relaxed for a weekly “Casual Friday.” I estimate this dress code accommodation occurred...
The Differences Between Centrifugal Pumps and C...
Centrifugal pumps and compressors are both rotating equipment devices. Each is a machine that imparts kinetic energy to the fluid to create pressure and move liquids, gases, and other process...
The Differences Between Centrifugal Pumps and C...
Centrifugal pumps and compressors are both rotating equipment devices. Each is a machine that imparts kinetic energy to the fluid to create pressure and move liquids, gases, and other process...
STEM and the Art of Motorcycle Maintenance
In an ancient time, before STEM (Science, Technology, Engineering and Mathematics) was an educational program, how did people get into those fields? STEM was not a “thing” when I went...
STEM and the Art of Motorcycle Maintenance
In an ancient time, before STEM (Science, Technology, Engineering and Mathematics) was an educational program, how did people get into those fields? STEM was not a “thing” when I went...
Notes on NPSH Testing
In pump literature, much has been written and continues to be written about NPSH (Net Positive Suction Head) and cavitation. As career pump engineer, I will share some of my...
Notes on NPSH Testing
In pump literature, much has been written and continues to be written about NPSH (Net Positive Suction Head) and cavitation. As career pump engineer, I will share some of my...
Pump lead times – what to expect
Introduction We live in a world of convenience and instant gratification. When the Wi-Fi goes down, Netflix for that evening is out. This is a serious first world problem. Not...
Pump lead times – what to expect
Introduction We live in a world of convenience and instant gratification. When the Wi-Fi goes down, Netflix for that evening is out. This is a serious first world problem. Not...
NPSH Margin — how much?
A word on the terminology: Net Positive Suction Head (NPSH) is the sum of the total static plus kinetic pressure minus the liquid vapor pressure, at the pump suction nozzle...
NPSH Margin — how much?
A word on the terminology: Net Positive Suction Head (NPSH) is the sum of the total static plus kinetic pressure minus the liquid vapor pressure, at the pump suction nozzle...