<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>CR4 - Recent Forum Threads and Blog Entries</title><link>http://cr4.globalspec.com</link><description><![CDATA[Recent content from CR4, The Engineer&apos;s Place for News and Discussion]]></description><copyright>Copyright 2009</copyright><pubDate>Fri, 20 Nov 2009 13:13:58 EST</pubDate><generator>http://cr4.globalspec.com</generator><item><title><![CDATA[Load Calculations for an Apartment]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46552/Load-Calculations-for-an-Apartment?from_rss=1]]></link><description><![CDATA[When calculating the loads for an apartment that are not located in the dwelling units how do you deal with : multiple 3 phase motor loads, 3 phase and single phase transformers and single phase loads.]]></description><pubDate>Fri, 20 Nov 2009 13:13:58 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46552]]></guid><dc:creator>pecelectrical</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Walks-in-Storms&apos; VAWT Project]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46550/Walks-in-Storms-VAWT-Project?from_rss=1]]></link><description><![CDATA[I&apos;m about to put my VAWT turbine up on the roof for testing and experiments there. I&apos;m in the process, accordingly, of designing lightning protection. The turbine&apos;s support frame base is unattached to the roof, having rubber footings made from hose. The frame willl be guyed with turn-buckled cab]]></description><pubDate>Fri, 20 Nov 2009 10:59:44 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46550]]></guid><dc:creator>Walks-in-Storms</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[instrumentation design ]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46549/instrumentation-design?from_rss=1]]></link><description><![CDATA[&quot;please explain the basic instrumentation design,from basic analysis,detailed engineering &quot;

  regards

  instrumentation engineer]]></description><pubDate>Fri, 20 Nov 2009 10:33:42 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46549]]></guid><dc:creator>Guest</dc:creator><dc:subject>Instrumentation</dc:subject></item><item><title><![CDATA[kwh  from Kva]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46548/kwh-from-Kva?from_rss=1]]></link><description><![CDATA[How to calculate energy units( Kwh) for  125 KVA DG set without having KWh meter]]></description><pubDate>Fri, 20 Nov 2009 10:08:49 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46548]]></guid><dc:creator>Guest</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Is My Hard Drive Failing?]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46546/Is-My-Hard-Drive-Failing?from_rss=1]]></link><description><![CDATA[The other day I got a message during startup (Windows XP) that some app had detected that my IDE hard drive was about to fail and I should back up my data and replace the hard drive.

    How does this app determine that my hard drive is about to fail? It sounds like reading tea leaves to me.]]></description><pubDate>Fri, 20 Nov 2009 08:42:53 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46546]]></guid><dc:creator>msm98lw</dc:creator><dc:subject>Communications &amp; Electronics</dc:subject></item><item><title><![CDATA[Refrigerators, Air Conditioners and Units of Measure]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46545/Refrigerators-Air-Conditioners-and-Units-of-Measure?from_rss=1]]></link><description><![CDATA[Why for refrigerator the capacity is given in litres and for airconditioning in tons.

    Is there any rlation between litres and tons?

   advance thanks for the reply.]]></description><pubDate>Fri, 20 Nov 2009 08:05:06 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46545]]></guid><dc:creator>maglak@mail.com</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[motor single phasing or double phasing]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46544/motor-single-phasing-or-double-phasing?from_rss=1]]></link><description><![CDATA[what i can do to save a motor from burning or breaking down if a phase had been lost from a connection to motor ??????????]]></description><pubDate>Fri, 20 Nov 2009 07:25:25 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46544]]></guid><dc:creator>ramydiab</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Indian River Hydroplant, New Stoplog Structure]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46543/Indian-River-Hydroplant-New-Stoplog-Structure?from_rss=1]]></link><description><![CDATA[Hey Guys:
       
        I am building a stop log structure, at Indian River Hydrostation, to block off the water to my forebay on the Westfield River. Does anyone know where I can find/buy a used bridge beam? I need between a 33 inch and a 48 inch by 70 foot beam with no welds.]]></description><pubDate>Fri, 20 Nov 2009 07:18:33 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46543]]></guid><dc:creator>Guest</dc:creator><dc:subject>Civil Engineering</dc:subject></item><item><title><![CDATA[Manifold design]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46542/Manifold-design?from_rss=1]]></link><description><![CDATA[Dear Sir

  I would like to know the criteria or method for finding out the thickness of MS manifold . Manifold is for connecting the delivery pipe from a number of pipes to the rising main. It will be a fabrictaed steel pipe with flanged end connections. Kindly update with the best answer.]]></description><pubDate>Fri, 20 Nov 2009 07:16:10 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46542]]></guid><dc:creator>Guest</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[Lightening earthing ]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46539/Lightening-earthing?from_rss=1]]></link><description><![CDATA[Dear All

  I would like to know the difference between lightening arrester and lightening protection earthing.

  Regards

  Anand.mandarapu]]></description><pubDate>Fri, 20 Nov 2009 05:45:32 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46539]]></guid><dc:creator>anand.mandarapu</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Current Transformers for Measuring Purpose]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46538/Current-Transformers-for-Measuring-Purpose?from_rss=1]]></link><description><![CDATA[What are the differences between MV CTs and LV CTs (Measuring Current Transformer)?	 View All


Why we unable to use Low Voltage CT for Medium Voltage applications (Metering purpose)?]]></description><pubDate>Fri, 20 Nov 2009 05:42:10 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46538]]></guid><dc:creator>Kaandeeban</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[M.Tech in VLSI and Embedded Systems]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46537/M-Tech-in-VLSI-and-Embedded-Systems?from_rss=1]]></link><description><![CDATA[Hi All,

    I&apos;ve a typical question regarding the choice of appropiate subjects @ M.tech/M.E level. I&apos;ve done bachelor&apos;s degree in Electrical &amp;amp; Electronics engg. &amp;amp; have been working in IT field for the past two years. I thought of doing Part-time M.Tech from IIIT Hyderabad, India (http:]]></description><pubDate>Fri, 20 Nov 2009 04:58:37 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46537]]></guid><dc:creator>urfriend_friendy@yahoo.com</dc:creator><dc:subject>Education</dc:subject></item><item><title><![CDATA[Internship for Gas Engineering Student]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46534/Internship-for-Gas-Engineering-Student?from_rss=1]]></link><description><![CDATA[Hello everyone,

     I am new here and i i&apos;m really glad a forum like this exists . I am studying for Masters degree in Gas Engineering and Management. The program is quite interesting and i&apos;m eager to gain an insight into the practical aspect of it. I am therefore looking for a place for my s]]></description><pubDate>Fri, 20 Nov 2009 04:47:14 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46534]]></guid><dc:creator>scorpiohams</dc:creator><dc:subject>Engineering Careers</dc:subject></item><item><title><![CDATA[how can i know the dc motor torque]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46533/how-can-i-know-the-dc-motor-torque?from_rss=1]]></link><description><![CDATA[how can i know the dc motor torque?]]></description><pubDate>Fri, 20 Nov 2009 04:30:14 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46533]]></guid><dc:creator>abhi29</dc:creator><dc:subject>Manufacturing</dc:subject></item><item><title><![CDATA[boiler design QUOTATION]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46532/boiler-design-QUOTATION?from_rss=1]]></link><description><![CDATA[please suggest some boilers designed companies for tech colaboration. We are manufacturer&apos;s in pakistan and required some consultant for FTB,WHRB &amp;amp; water tube boiler design &amp;amp; technical support. At this time we required 8TPH packaged wet back fire tube type natural gas fired steam boiler.]]></description><pubDate>Fri, 20 Nov 2009 03:25:44 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46532]]></guid><dc:creator>Guest</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[Compressor for Nitrogen Service]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46531/Compressor-for-Nitrogen-Service?from_rss=1]]></link><description><![CDATA[We want to replace our existing ( twin lobe type ) roots blower with a centrifugal compressor. Application is nitrogen used for heating / cooling during startup / shutdown of ammonia plant. Service conditions are

   Suction pressure = 2 to 4 kg/sqcmg

   Discharge pressure = 4 to 6kg/sqcmg]]></description><pubDate>Fri, 20 Nov 2009 03:12:45 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46531]]></guid><dc:creator>Guest</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[Pressure Reducing Station - Operating Duration]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46528/Pressure-Reducing-Station-Operating-Duration?from_rss=1]]></link><description><![CDATA[Whether pressure reducing station (either of pilot operated or spring loaded) having following duty parameter can be recomended &amp;amp; selected for continuous duty operation :

    Fluid : Raw water for cooling purpose.

    Pressure reduction : From 20 Bar (g) to 6 Bar (g)

    Flow capa]]></description><pubDate>Fri, 20 Nov 2009 01:55:54 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46528]]></guid><dc:creator>Guest</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[1995 Jeep Grand Cherokee - Life Support for My Car]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46525/1995-Jeep-Grand-Cherokee-Life-Support-for-My-Car?from_rss=1]]></link><description><![CDATA[I have a &apos;95 Jeep Grand Cherokee 5.2 V8. It is slowly going about the process of falling completely to pieces and I don&apos;t have the time or resources to go about fixing it properly right now. More than anything I need to just keep it limping along until my wife gets out of school in a few months.]]></description><pubDate>Thu, 19 Nov 2009 23:56:51 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46525]]></guid><dc:creator>hairlesssimian</dc:creator><dc:subject>Automotive</dc:subject></item><item><title><![CDATA[Cylinder compression]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46524/Cylinder-compression?from_rss=1]]></link><description><![CDATA[Why would I get no compression on cylinder #5 when cold and normal compression when hot?]]></description><pubDate>Thu, 19 Nov 2009 23:40:43 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46524]]></guid><dc:creator>socalme</dc:creator><dc:subject>Automotive</dc:subject></item><item><title><![CDATA[Absolute Filtration and Norminal Filtration]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46520/Absolute-Filtration-and-Norminal-Filtration?from_rss=1]]></link><description><![CDATA[I am reading API 618 co-related with API 614 and found interesting chapters for filter requirement.

    I do understanding the beta ratio. For me and all subscriber&apos;s understanding, I attached nice description about beta ratio from one maker&apos;s web-site, reformed by MS-Word.

    What I am s]]></description><pubDate>Thu, 19 Nov 2009 21:51:01 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46520]]></guid><dc:creator>yeonhoyu</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[What Does That Sentence in Bold Mean?]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46518/What-Does-That-Sentence-in-Bold-Mean?from_rss=1]]></link><description><![CDATA[Newer wind turbine technology can use the wind not only to produce  wind energy, but also to enhance the operating safety of the turbine. The  controllers in these advanced machines perform aerodynamic braking by  individually controlling the pitch of each blade. Applying the full braking  effec]]></description><pubDate>Thu, 19 Nov 2009 21:45:37 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46518]]></guid><dc:creator>wingman1985</dc:creator><dc:subject>Sustainable Engineering</dc:subject></item><item><title><![CDATA[Sweetest Engine in Sweetest Car - Only an Aussie Could Do This!]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46516/Sweetest-Engine-in-Sweetest-Car-Only-an-Aussie-Could-Do-This?from_rss=1]]></link><description><![CDATA[What&apos;s the sweetest sounding engine God and RR ever made? What&apos;s the baddest car the devil and Chevy ever made? It takes an Aussie to put them together, but here it is:

      http://www.youtube.com/watch?v=SIj2GVfua84&amp;amp;amp;amp;feature=related]]></description><pubDate>Thu, 19 Nov 2009 19:40:52 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46516]]></guid><dc:creator>TVP45</dc:creator><dc:subject>Automotive</dc:subject></item><item><title><![CDATA[Encryption Board PCI-Express ]]></title><link><![CDATA[http://cr4.globalspec.com/thread/46515/Encryption-Board-PCI-Express?from_rss=1]]></link><description><![CDATA[I am searching for encryption board PCI-Express that supports RSA 2048, AES, triple DES and SHA 256.

    Vendor, technical document anything will be OK!!!

    Thanks!]]></description><pubDate>Thu, 19 Nov 2009 19:11:36 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/46515]]></guid><dc:creator>meetatop</dc:creator><dc:subject>Communications &amp; Electronics</dc:subject></item><item><title><![CDATA[When Good Rockets Go Bad]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/10808/When-Good-Rockets-Go-Bad?from_rss=1]]></link><description><![CDATA[From Wired Top Stories:

 		  		 		n the grand scheme of human space programs in Russia and the United States, catastrophic failures are relatively rare. But they are often quite spectacular and make a big impression on the public and on the funding for space exploration. The explosions in th]]></description><pubDate>Fri, 20 Nov 2009 09:32:55 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/10808]]></guid><dc:subject>Engineering News</dc:subject></item><item><title><![CDATA[California Imposes Rule for Efficiency on Some TVs]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/10807/California-Imposes-Rule-for-Efficiency-on-Some-TVs?from_rss=1]]></link><description><![CDATA[From NYT &gt; Science:

 		  		 		Recognizing that giant new flat-panel televisions have become major power guzzlers, California on Wednesday became the first state to impose energy efficiency standards on them.  The California Energy Commission voted unanimously to apply the standard, which w]]></description><pubDate>Fri, 20 Nov 2009 09:20:41 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/10807]]></guid><dc:subject>Engineering News</dc:subject></item><item><title><![CDATA[NASA Invites You to &quot;Be a Martian&quot; &amp; Explore the Red Planet&apos;s Terrain]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/10806/NASA-Invites-You-to-Be-a-Martian-Explore-the-Red-Planet-s-Terrain?from_rss=1]]></link><description><![CDATA[From Discover Magazine | rsslist:

 		  		 		With NASA&apos;s manned space flight program in tumult, it&apos;s an open question when/if human boots will tramp on Martian soil. But the space agency has provided a virtual way for humans to explore the red planet, with its new &quot;Be a Martian&quot; program.]]></description><pubDate>Fri, 20 Nov 2009 09:04:03 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/10806]]></guid><dc:subject>Engineering News</dc:subject></item><item><title><![CDATA[Scientists Who Spy: 8 Tales of Engineering &amp; Espionage]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/10805/Scientists-Who-Spy-8-Tales-of-Engineering-Espionage?from_rss=1]]></link><description><![CDATA[From Discover Magazine | rsslist:

   		  		 		#1: If At First You Don&apos;t Succeed&amp;#8230; Sell to Venezuela?

 Former government physicist P. Leonardo Mascheroni, an outspoken critic of U.S. nuclear strategy, is in the FBI&apos;s crosshairs. In October, the feds raided his home, seizing computers, d]]></description><pubDate>Fri, 20 Nov 2009 09:02:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/10805]]></guid><dc:subject>Engineering News</dc:subject></item><item><title><![CDATA[Android Architecture Airs Its Secrets&amp;#x2026;]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/10773/Android-Architecture-Airs-Its-Secrets-x2026?from_rss=1]]></link><description><![CDATA[Peek inside the two primary printed-circuit boards (PCBs) inside the premier Google mobile handset offering! Reverse engineers ripped out the cell phone&apos;s physical keyboard in order to uncover interesting facts about the PCBs including a thorough identification of the manufacturers involved and the]]></description><pubDate>Fri, 20 Nov 2009 08:12:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/10773]]></guid><dc:subject>Electronic Product Design</dc:subject></item><item><title><![CDATA[Netting Your Notebooks?]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/10774/Netting-Your-Notebooks?from_rss=1]]></link><description><![CDATA[As you get ready to purchase the next computers for your team, what form will they take? Vast storage networks provide access to your data from anywhere in the world. Will you opt for desktop equipment as you always have? Forego the &quot;luxury&quot; of local mass storage? When you need a portable PC, will y]]></description><pubDate>Fri, 20 Nov 2009 08:12:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/10774]]></guid><dc:subject>Engineering Management</dc:subject></item><item><title><![CDATA[Edwin Powell Hubble: Astronomer and Namesake of the Orbiting Telescope]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/9990/Edwin-Powell-Hubble-Astronomer-and-Namesake-of-the-Orbiting-Telescope?from_rss=1]]></link><description><![CDATA[He has been likened to English physicist Isaac Newton and Italian astronomer Galileo Galilei. The most powerful telescope in existence is named after him. And before his time, humanity lacked a credible understanding of outer space beyond the Milky Way, or that the universe was expanding.]]></description><pubDate>Fri, 20 Nov 2009 06:00:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/9990]]></guid><dc:creator>ShakespeareTheEngineer</dc:creator><dc:subject>Great Engineers &amp; Scientists</dc:subject></item><item><title><![CDATA[Caption This for 11/20/09]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/10727/Caption-This-for-11-20-09?from_rss=1]]></link><description><![CDATA[This week&apos;s image:

    

    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
   Be sure to vote for your favorite caption!

     A special thanks to Garthh for submitting this image..]]></description><pubDate>Thu, 19 Nov 2009 16:45:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/10727]]></guid><dc:subject>Caption This!</dc:subject></item><item><title><![CDATA[World War 2 Japanese Super-Submarine Found In Hawaii [Submarines]]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/10804/World-War-2-Japanese-Super-Submarine-Found-In-Hawaii-Submarines?from_rss=1]]></link><description><![CDATA[From Gizmodo:

 		  		 		According to Van Tillburg, it looks more like a Cold War submarine than a WW2 ship, build for high speed underwater travel. The I-401 was its sister vessel. That one was located in 2005, and it was capable of carrying 144 people through 37,000 miles, it was three time]]></description><pubDate>Thu, 19 Nov 2009 12:34:42 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/10804]]></guid><dc:subject>Engineering News</dc:subject></item><item><title><![CDATA[Hyundai at SEMA]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/10744/Hyundai-at-SEMA?from_rss=1]]></link><description><![CDATA[At the Hyundai booth this year, it was about the Genesis Coupe. There was only one Genesis sedan on display, and I liked how there was an artist hand-painting a graphic onto the front and rear fenders. There was also Hyundai&apos;s 2.0T R-Spec version on-hand, which is basically a 2.0T Track withou]]></description><pubDate>Thu, 19 Nov 2009 12:00:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/10744]]></guid><dc:creator>CarDomain</dc:creator><dc:subject>CarDomain Blog</dc:subject></item></channel></rss>