Comments for Engineering Expert Witness Blog

Comment on Mechanical Power Transmission – Centrifugal Force and Centrifugal Clutches by Mechanical Power Transmission – The Centrifugal Clutch in Operation | Engineering Expert Witness Blog

Sun, 22 Apr 2012 22:42:29 +0000

[...] articles we identified the component parts of a centrifugal clutch mechanism and learned how centrifugal force makes objects spinning in a circular path about a fixed point move outward. We can now explore what happens when we couple a centrifugal clutch mechanism to the engine of a [...]

Comment on Mechanical Power Transmission – The Centrifugal Clutch Mechanism by Mechanical Power Transmission – The Centrifugal Clutch in Operation | Engineering Expert Witness Blog

Sun, 22 Apr 2012 22:41:24 +0000

[...] Engineering Expert Witness Blog Published by Philip J. O'Keefe, PE, MLE Expert Witness Services Courtroom Visual Aids Contact Us « Mechanical Power Transmission – The Centrifugal Clutch Mechanism [...]

Comment on Industrial Control Basics – Emergency Stops by Philip J. O'Keefe, PE, MLE

Philip J. O'Keefe, PE, MLE — Fri, 06 Apr 2012 13:48:11 +0000

Thanks, Jim.

Comment on Industrial Control Basics – Emergency Stops by Jim Miller

Jim Miller — Thu, 05 Apr 2012 20:43:07 +0000

Very nice description of proper E-stop function. I like the visuals.

When I design in E-stops I also like to see a tag with the words “Emergency Stop” on it next to the button. I think that constantly seeing those words sort of subconsciously ingrains the E-stop location into the operators.

Comment on Sound and the Decibel by Philip J. O'Keefe, PE, MLE

Philip J. O'Keefe, PE, MLE — Mon, 05 Mar 2012 00:38:18 +0000

Thanks, Robert. I am glad you like my work.

Comment on Sound and the Decibel by Robert

Robert — Fri, 02 Mar 2012 03:06:46 +0000

I stumbled upon your website site on the internet and checked a couple of your earlier blogposts. Continue to keep up the terrific work. I also added your Rss to my MSN News Reader. Looking forward to reading more from you at a later point!…

Comment on Industrial Control Basics – Electric Relay Example by Industrial Control Basics – Electric Motor Control | Engineering Expert Witness Blog

Sun, 19 Feb 2012 22:54:07 +0000

[...] circuit where electrical current is flowing. The relay is in its normal state, as discussed in a previous article, so the N.O. contacts are open and the N.C. contact is closed. No electric current can flow [...]

Comment on Industrial Control Basics – Electric Relay Ladder Diagram by Philip J. O'Keefe, PE, MLE

Philip J. O'Keefe, PE, MLE — Thu, 26 Jan 2012 14:22:10 +0000

Thank you. It is my pleasure to provide this information.

Comment on Industrial Control Basics – Electric Relay Ladder Diagram by jafar ali

jafar ali — Thu, 26 Jan 2012 12:54:46 +0000

Absolutely mind blowing sir…was finding from last few days regarding ladder diagram basics(Industrial Control Basics) couldn’t find anywhere but found here…awesome.. really thankful to you for such a nice tutorial..waiting for next Monday.

Comment on Pressurized Containers by Philip J. O'Keefe, PE, MLE

Philip J. O'Keefe, PE, MLE — Mon, 12 Dec 2011 14:24:41 +0000

Thank you. I am glad you enjoy my articles.