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- Users: DonLeffingwellPE
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True Length of Spline Curve
Is there a command in Autocad that lets you measure the "true" length of a spline curve? Don Leffingwell dleffingwell@snet.net- DonLeffingwellPE
- Thread
- Replies: 1
- Forum: Autodesk: AutoCAD
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Service Problem
I was at my brother-in-laws for dinner Sunday night and he told me of a problem he had been having with his lights. He said they keep flickering, sometimes fast, sometimes slow. It doesn't happen all the time, and it seems to be random. And it only happens in part of the house. While I was...- DonLeffingwellPE
- Thread
- Replies: 6
- Forum: Electric power & transmission & distribution
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I was at my brother-in-laws for din
I was at my brother-in-laws for dinner Sunday night and he told me of a problem he had been having with his lights. He said they keep flickering, sometimes fast, sometimes slow. It doesn't happen all the time, and it seems to be random. And it only happens in part of the house. While I was...- DonLeffingwellPE
- Thread
- Replies: 6
- Forum: Electrical Engineering general discussion
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Engineering Salaries
Are you curious what engineers earn? Visit the site below to find links to engineering salary surveys. Mike Lindeburg, myself and a few others have searched the WEB to put this list together.<br><br>Don Leffingwell PE<br><A HREF="mailto:dleffingwell@snet.net">dleffingwell@snet.net</A><br><br><A...- DonLeffingwellPE
- Thread
- Replies: 0
- Forum: How to Improve Myself
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Consulting
Below are some books for those interested in their own business as a consultant.<br><br>Don Leffingwell<br><A HREF="mailto:dleffingwell@snet.net">dleffingwell@snet.net</A><br><br><br>Tyler Hicks "Standard Handbook of Consulting Engineering Practice" McGraw-Hill 1986 Library of Congress...- DonLeffingwellPE
- Thread
- Replies: 0
- Forum: How to Improve Myself
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ME Magazines On-Line
Here are some magazine links.<br><br>ASME<br><A HREF="http://www.asme.org/memagazine/index.html" TARGET="_new">http://www.asme.org/memagazine/index.html</A><br><br>Design News<br><A HREF="http://www.manufacturing.net/magazine/dn/"...- DonLeffingwellPE
- Thread
- Replies: 1
- Forum: Mechanical engineering general discussion
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Industrial Maitenance and Plant Operation
Below is the site for Industrial Maitenance and Plant Operation Magazine online.<br><br><A HREF="http://www.impomag.com/Index.htm" TARGET="_new">http://www.impomag.com/Index.htm</A><br><br><br><br><br>- DonLeffingwellPE
- Thread
- Replies: 0
- Forum: Manufacturing Plant engineering
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Plant Engineering
Below is the site for Plant Engineering Magazine<br><br><br><A HREF="http://206.128.186.135/magazine/planteng/current/default.html" TARGET="_new">http://206.128.186.135/magazine/planteng/current/default.html</A>- DonLeffingwellPE
- Thread
- Replies: 0
- Forum: Manufacturing Plant engineering
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Engineering Ethics
The following site has links to many interesting sites dealing with ethics.<br><br><A HREF="http://www.ccsr.cse.dmu.ac.uk/resources/professionalism/codes/" TARGET="_new">http://www.ccsr.cse.dmu.ac.uk/resources/professionalism/codes/</A><br><br>The below was obtained from this site and is...- DonLeffingwellPE
- Thread
- Replies: 1
- Forum: Professional Ethics in engineering
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Pennsylvania Licensing Law
The following is from a newsletter from the State Registration<br>Board for PE's, LS's and Geologists:<br><br>The Term "Engineer"<br>and the Law<br>by Edward P. Becker, P.E., P.L.S.<br><br><br>The term "engineer" is very specific<br>within the context of...- DonLeffingwellPE
- Thread
- Replies: 5
- Forum: How to Improve Myself
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JIC Standards
Back about 25 years ago, I contacted an organization called the JIC. (Joint Industrial Council) to obtain standards for electrical, pneumatic and hydraulic machine controls and was able to purchase these standards. I have since lost them. I tried searching the Internet for a reference to JIC...- DonLeffingwellPE
- Thread
- Replies: 3
- Forum: Electrical Engineering general discussion
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JIC
Back about 25 years ago, I contacted an organization called the JIC. (Joint Industrial Council) to obtain standards for electrical, pneumatic and hydraulic machine controls and was able to purchase these standards. I have since lost them. I tried searching the Internet for a reference to JIC...- DonLeffingwellPE
- Thread
- Replies: 3
- Forum: Electrical Engineering general discussion
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Joint Industrial Council
Back about 25 years ago, I contacted an organization called the JIC. (Joint Industrial Council) to obtain standards for electrical, pneumatic and hydraulic machine controls and was able to purchase these standards. I have since lost them. I tried searching the Internet for a reference to JIC...- DonLeffingwellPE
- Thread
- Replies: 5
- Forum: IEEE (electrical) Code Issues
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Joint Industrial Council
Back about 25 years ago, I contacted an organization called the JIC. (Joint Industrial Council) to obtain standards for electrical, pneumatic and hydraulic machine controls and was able to purchase these standards. I have since lost them. I tried searching the Internet for a reference to JIC...- DonLeffingwellPE
- Thread
- Replies: 2
- Forum: Industrial/Mfg engineering general discussion
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TGA & DSC Plots of Polymers
Does anyone know of a WEB site that shows TGA and DSC plots of polymers; esp. PE,PVE,XLPE<br>and Silicone Rubber? Or a source of literature?<br><br>Don Leffingwell<br><A HREF="mailto:dleffingwell@snet.net">dleffingwell@snet.net</A>- DonLeffingwellPE
- Thread
- Replies: 4
- Forum: Polymer engineering
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Reynolds Number
<br><br> I am wondering how you calculate the Reynolds Number, Re, for wire moving in a fluid...- DonLeffingwellPE
- Thread
- Replies: 1
- Forum: Plastics Engineering general discussion
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Reynolds Number
<br><br> I am wondering how you calculate the Reynolds Number, Re, for wire moving in a fluid...- DonLeffingwellPE
- Thread
- Replies: 1
- Forum: Commercial product engineering general discussion
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Reynolds Number
<br><br> I am wondering how you calculate the Reynolds Number, Re, for wire moving in a fluid...- DonLeffingwellPE
- Thread
- Replies: 1
- Forum: Commercial product engineering general discussion
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I am wondering how you calculate the Reynolds Number, Re, for wire mov
I am wondering how you calculate the Reynolds Number, Re, for wire moving in a fluid. What characteristic dimension do you use; and what criteria do you use to determine a turbulent state?<br><br> My approach would be to use<br><br> Re =...- DonLeffingwellPE
- Thread
- Replies: 2
- Forum: Pipelines, Piping and Fluid Mechanics engineering
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Reynolds Number for Moving Wire
I am wondering how you calculate the Reynolds Number, Re, for wire moving in a fluid. What characteristic dimension do you use; and what criteria do you use to determine a turbulent state?<br><br>My approach would be to use <br><br>Re = vD/viscosity(k)<br>v = velocity of wire<br>D = diameter of...- DonLeffingwellPE
- Thread
- Replies: 4
- Forum: Heat Transfer & Thermodynamics engineering
