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Pipe Stress analysis for Hydrostatic test condition

07/26/2017
posted in Mechanical Engineering
by UT777
I got a little confusion during the stress analysis of a gas line (my first experience of stress analysis) with ASTM A-106 gr. B pipe. We know that al...
Views: 2, Comments: 1
Last comment 07/26/2017 by Tornado
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Back gouging on Single "V"Butt Joint

07/26/2017
posted in Mechanical Engineering
by umesh vikram
Q1:We are doing Single V Butt Joint welding with ER80S-G for Root & Hot pass and then SAW(EA2-A2) welding on Plate(25 mm Thk).After welding we are doi...
Views: 1, Comments: 0
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Old Things Are Cool

07/25/2017
posted in General Discussion
by lyn
You never can tell what you'll rediscover when you stop by the house. A ^BOOM box? Adiós See you later!
Views: 47, Comments: 13
Last comment 07/26/2017 by Mikerho
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Employees With Implanted Chips

07/25/2017
posted in General Discussion
by Bayes
I came across this article and thought I'd pass it along. Kind of worries me that so many were so eager to volunteer for this... https://www.yahoo.co...
Views: 83, Comments: 17
Last comment 07/26/2017 by SolarEagle
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Lockheed Martin SR Engineer - JSC Houston

07/25/2017
posted in General Discussion
by hmeyers
NOAA GOES Ground station engineers and technicians experiencing interference and data outages may find that any newly installed 4G LTE relay antennas...
Views: 52, Comments: 4
Last comment 07/25/2017 by SolarEagle
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Anyone Know How to Ship a Phone with Non-Removable Li Ion Cell Back to China?

07/25/2017
posted in General Discussion
by Randall
I'm trying to send a faulty mobile back to a seller in China. After two frustrating trips to the Post office and a lot of googling I had this web cha...
Views: 103, Comments: 18
Last comment 07/25/2017 by truth is not a compromise
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Job Opportunity in Alaska

07/25/2017
posted in General Discussion
by JARROD WELSH
There is a vacant Range Engineer position on Eielson AFB. Email for details: From the Rules: Do not post phone numbers or email addresses. The Admin...
Views: 75, Comments: 3
Last comment 07/25/2017 by SolarEagle
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How to Design a Thyristor Gate Driver Circuit

07/25/2017
posted in Electrical Engineering
by tate
Hello. I am working on a project to build a switch using two back-to-back thyristors for control of a wound rotor induction motor. I am currently wor...
Views: 78, Comments: 3
Last comment 07/25/2017 by redfred
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Condenser Head Pressure W.R.T. Low Ambient Temperature

07/25/2017
posted in Mechanical Engineering
by rohitgoel1210
Dear All, This is the first time I am posting a query on CR4, I am sure a similar query would have been raised on some different forum. My queries a...
Views: 64, Comments: 7
Last comment 07/26/2017 by normnet
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Why iPhone 5S Will Turn Off Automatically After Charging And Cannot Be Turned On

07/25/2017
posted in Electrical Engineering
by vipfixphone
A Customer Use an unoriginal USB cable to charge iPhone 5S and it will turn off automatically after charging and is unresponsive when press the power...
Views: 111, Comments: 12
Last comment 07/25/2017 by gutmonarch
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Bus Bar Current Collect Wearing out quicky

07/25/2017
posted in Electrical Engineering
by Anonymous Poster
Dear All, I am no means a electrical guy but our current collectors on 380 v bus bar and wearing out too soon. We had replacement them 2 weeks back a...
Views: 118, Comments: 18
Last comment 07/25/2017 by SolarEagle
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Need Advice as a New Instrument Technician

07/24/2017
posted in Instrumentation
by adpabd
Dear CR4 users, As a new instrument technician in power plant, I really appreciated if you have any advice for me (social and technical skills advice...
Views: 216, Comments: 21
Last comment 07/25/2017 by gutmonarch
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Water Supply for Boat/Freshwater Filtering?

07/24/2017
posted in General Discussion
by r&ddoc
Greetings! I have recently been sailing quite a lot in my (new to me) 50 Ft trawler. As I cannot get my wife to reduce water consumption (water tank h...
Views: 243, Comments: 58
Last comment 07/25/2017 by roy hammy
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Ask Me About My LASIK Experience

07/22/2017
posted in BioMech & BioMed
by yamdankee
I got LASIK yesterday on both eyes to correct my farsightedness. I got a free consultation Tuesday and was scheduled that day for Friday. I've worn gl...
Views: 476, Comments: 44
Last comment 07/25/2017 by lmno24
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GPM Calculation

07/24/2017
posted in General Discussion
by Anonymous Poster
If I have a pipe diameter and pressure am i able to calculate the GPM's running through a pipe. ?
Views: 227, Comments: 33
Last comment 07/25/2017 by Tornado
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A Reminder to Read the Fine Print

07/19/2017
posted in General Discussion
by BestInShow
Happy Wednesday! I forget which CR4 member signs off the TANSTAAFL; this is a perfect example.
Views: 301, Comments: 32
Last comment 07/25/2017 by phoenix911
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Suicidal Robot?

07/19/2017
posted in General Discussion
by BestInShow
Has everyone seen this? I can't stop laughing.
Views: 1013, Comments: 31
Last comment 07/25/2017 by gutmonarch
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Guess the Architecture for 7/25/2017

07/25/2017 posted in Guess the Architecture
Do you recognize this week’s building? Care to take a guess?
07/25/2017 Views: 53, Comments: 4
Last comment 07/25/2017 by truth is not a compromise
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Second-Built Samba Discovered in a Field, To Undergo Restoration

07/25/2017 posted in Hemmings Motor News Blog
by dstrohl
Had it not been for an ID plate that had remained with the bus – and a Volkswagen enthusiast with an eye for rare Wolfsburg tin – then a r...
07/25/2017 Views: 53, Comments: 0
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Woman of the Week – Joycelyn Elders

07/24/2017 posted in WoW Blog (Woman of the Week)
by lmno24
Dr. Minnie Joycelyn Elders is known for her frankness; progressive views on reproductive health and drug legalization and for having served as the fir...
07/24/2017 Views: 119, Comments: 8
Last comment 07/25/2017 by steve45
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How To: Restore Plastic Headlamp Lenses

07/24/2017 posted in Hemmings Motor News Blog
by dstrohl
Daily driving a 1988 Volvo 244DL is more fun than it should be. Five speeds, air conditioning, lumbar support, and an engine that will run forever. Li...
07/24/2017 Views: 224, Comments: 9
Last comment 07/25/2017 by garyrich2000
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Engineering the Perfect Bathroom

07/22/2017 posted in The Engineer's Notebook
by M-ReeD
If you’ve ever spent time lurking around the bathrooms of your local bars and restaurants, you might be struck by two things: A.) Women stand in...
07/22/2017 Views: 596, Comments: 37
Last comment 07/25/2017 by convertwidget
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The Sailboat Diaries: Building a Bilge

07/20/2017 posted in Maritime Technology
by HUSH
For what it’s worth, I’m several projects ahead of my blog updates. I just haven’t had as much time to blog lately as I would like....
07/20/2017 Views: 220, Comments: 7
Last comment 07/25/2017 by James Stewart
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End of Viper Production Signals Closure of FCA’s Conner Avenue Assembly Plant

07/19/2017 posted in Hemmings Motor News Blog
by dstrohl
Fiat Chrysler Automobile’s Conner Avenue Assembly Plant is no stranger to hardship, having witnessed the decline of the spark plug business, alo...
07/19/2017 Views: 145, Comments: 1
Last comment 07/21/2017 by redfred
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Guess the Architecture for 7/18/2017

07/18/2017 posted in Guess the Architecture
Do you recognize this week’s building? Care to take a guess?
07/18/2017 Views: 366, Comments: 16
Last comment 07/26/2017 by SolarEagle
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Ford Steps Up to Sponsor Woodward Dream Cruise for 2017

07/18/2017 posted in Hemmings Motor News Blog
by dstrohl
Last month, six-year Woodward Dream Cruise sponsor Chevrolet ended its relationship with the annual rolling celebration of the American muscle car, te...
07/18/2017 Views: 30, Comments: 0
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Woman of the Week – Alexa Canady

07/17/2017 posted in WoW Blog (Woman of the Week)
by lmno24
Alexa Canady is the first woman and African American neurosurgeon in the United States. She grew up in Lansing, Michigan and overcame many obstacles o...
07/17/2017 Views: 151, Comments: 0
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Crossing the Uncrossable: A Tally of Those Who’ve Driven the Darien Gap

07/17/2017 posted in Hemmings Motor News Blog
by dstrohl
Driving around the world ain’t easy. Visas, funding, language barriers, supply management, and keeping the vehicle running all require resourcef...
07/17/2017 Views: 203, Comments: 1
Last comment 07/25/2017 by James Stewart
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Why the Laser Engraving Industry is Here to Stay

07/16/2017 posted in Machine Tools & Metal Working Blog
by Epilog Laser
Laser engraving has transformed from a niche technology used by a handful of businesses and craftspeople to a widely used method for designing many as...
07/16/2017 Views: 293, Comments: 0
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Which Type of Facebook User Are You?

07/15/2017 posted in The Engineer's Notebook
by M-ReeD
As Facebook becomes an everyday part of our lives (with users spending as much as 30 to 50 minutes a day on the social platform), it is inevitable tha...
07/15/2017 Views: 189, Comments: 18
Last comment 07/22/2017 by ronc
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DNF’d: The Story Behind How Some of the First Shelby Cobras Got Built

07/14/2017 posted in Hemmings Motor News Blog
by dstrohl
The story of Carroll Shelby’s success in building and racing Cobras is a legend. Hard work and a few lucky breaks along the way had helped him a...
07/14/2017 Views: 195, Comments: 1
Last comment 07/14/2017 by Usbport
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Taking the Pop Up to the Next Level

07/13/2017 posted in Building & Design Blog
by MaggieMc
This crazy little pre-fab ‘builds itself’ at the touch of a button, in less than ten minutes. Termed a “dynamic property asset”...
07/13/2017 Views: 398, Comments: 11
Last comment 07/19/2017 by MR. Guest
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