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HPS Ballast with metal halide bulb

11/18/2017
posted in General Discussion
by Gogirl
I am trying to find information on: I have a P.L. Light Systems Canada, LR48877 Ballast, 490W, 60Hz 5.2 amps (.) 120v, date on it is 1998 i have a 1...
Views: 20, Comments: 5
Last comment 11/18/2017 by SolarEagle
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Wind/Solar Combined

11/18/2017
posted in General Discussion
by EZStreet
Would it make economical sense to put solar cells on wind both sides of some turbine blades? With the storage and conversion equipment already instal...
Views: 57, Comments: 8
Last comment 11/18/2017 by redfred
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B16.5 Flange Thickness Deviation

11/18/2017
posted in Mechanical Engineering
by dineshd
Hi All, Is there any possibilities to accept the flange thickness which is deviated from standard ASME B16.5 ? else anything has mentioned in the sta...
Views: 35, Comments: 4
Last comment 11/18/2017 by Whitephone
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Robotic Toys for Anyone

11/17/2017
posted in General Discussion
by BestInShow
I'm particularly drawn to the one made from a soda can. https://interestingengineering.com/9-of-the-best-robot-toys-for-children-and-parents-this-chr...
Views: 61, Comments: 2
Last comment 11/17/2017 by lyn
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A Microengineering Miracle

11/17/2017
posted in General Discussion
by Hannes
I'm a big fan of Great Stuff foam. One thing I always hated about it was that the foam would cure in the straw/can, so if I didn't have enough gaps to...
Views: 102, Comments: 3
Last comment 11/17/2017 by SolarEagle
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Differences Between Engineers and Scientists

11/17/2017
posted in General Discussion
by terrapin
My interpretation of the difference (blurry at best) between an engineer and scientist is that an engineer applies scientific principles to solve real...
Views: 167, Comments: 12
Last comment 11/18/2017 by SolarEagle
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Jumping Jack the Robot

11/17/2017
posted in Aerospace
by James Stewart
Boston Dynamics strikes again!!! Now this guy is extraordinary! Not only that, but he is not perfect in his acrobatics, since he does not "stick" e...
Views: 122, Comments: 13
Last comment 11/18/2017 by GW
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Magnets and Expanding Universe

11/17/2017
posted in General Discussion
by EZStreet
I have always been fascinated by magnets,and the forces they are capable of.I have a few around all the time,and I was playing with a couple;a small o...
Views: 188, Comments: 14
Last comment 11/18/2017 by lyn
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The Amazing Tesla Semi Truck

11/17/2017
posted in General Discussion
by SolarEagle
https://news.google.com/news/video/5n9xafjynJA/d6fzpBpDFvhwuoMcdgE-jQBjXXM1M?hl=en
Views: 111, Comments: 13
Last comment 11/18/2017 by Bazzer Englander
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Plant Availability Factor in Thermal Power Station

11/17/2017
posted in Electrical Engineering
by ANANDANRCR
HOW TO ARRIVE / CALCULATE PLANT AVAILABIITY FACTOR OF A 500 MW THERMAL PLANT BASED ON AUX.POWER CONSUMPTION , UNIT HEAT RATE AND STATION HEAT RATE. P...
Views: 103, Comments: 3
Last comment 11/17/2017 by Codemaster
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MHD in Air

11/16/2017
posted in Aerospace
by James Stewart
Basic question: Is ionization of air possible to sufficient extent with Tesla coils, etc. to produce a conductive low temperature plasma that can be i...
Views: 146, Comments: 25
Last comment 11/18/2017 by SolarEagle
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Is Nuclear Poised For a Comeback?

11/16/2017
posted in General Discussion
by SolarEagle
Not according to some.... ...but if we look at what's coming down the pike, well maybe that graph is not so accurate... China successfully devel...
Views: 161, Comments: 29
Last comment 11/17/2017 by SolarEagle
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Anyone Familiar with OBD2 Pinouts (Auto) On Board Diagnostics?

11/15/2017
posted in General Discussion
by Randall
I keep getting intermittent random faults/errors on my Volvo S40 2007. Two garages have kept the car for several days now and said that they can't fi...
Views: 166, Comments: 33
Last comment 11/18/2017 by merc600sec
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Speed of Light

11/15/2017
posted in General Discussion
by rravi12june81
Assume/Imagine a spaceship travelling at the speed of light. Two lasers are mounted on top of the craft. The 2 lasers are mounted in such a way that,...
Views: 426, Comments: 33
Last comment 11/17/2017 by JBTardis
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Air Pollution

11/12/2017
posted in General Discussion
by IQ
For anyone thinking about coming to India, in particular New Delhi, for a holiday or business meeting, be warned, November, December are terrible mont...
Views: 237, Comments: 28
Last comment 11/15/2017 by James Stewart
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Homemade Irrigation

11/13/2017
posted in General Discussion
by Anonymous Poster
Hi all, I am looking into setting up a horticulture/aquaculture system at home with a simple header tank (4000 L) flowing into a few holding/growing...
Views: 370, Comments: 28
Last comment 11/15/2017 by James Stewart
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Cutting Wait Times for Restaurants with Google

11/18/2017 posted in The Engineer's Notebook
by M-ReeD
The geniuses at Google are doing life-saving work. Hear me out. Thanks to them, those of us impatiently loitering around the hostess stands at our f...
11/18/2017 Views: 34, Comments: 5
Last comment 11/18/2017 by SolarEagle
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AACA Museum’s Latest Exhibit Celebrates “Getting the Job Done: Vehicles that Earned Their Keep”

11/16/2017 posted in Hemmings Motor News Blog
by dstrohl
Without commercial vehicles, modern life would grind to a halt rather abruptly. Despite their importance, these workhorses are rarely embraced by coll...
11/16/2017 Views: 95, Comments: 3
Last comment 11/17/2017 by JE in Chicago
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Say It Isn't So! Greek Theater Acoustics Aren't Perfect

11/15/2017 posted in TechnoTourist’s Engineering Expeditions
by BestInShow
Have you ever heard that Greek theaters, at least some of them, had such perfect acoustics that the audience could hear a word whispered from the orch...
11/15/2017 Views: 215, Comments: 23
Last comment 11/18/2017 by phoenix911
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SEMA Feature Cars, 2017: The Show Within a Show

11/15/2017 posted in Hemmings Motor News Blog
by dstrohl
Though it’s been held annually since 1967, the SEMA Convention was not always a haven for specially designed and built show cars. Even after com...
11/15/2017 Views: 106, Comments: 2
Last comment 11/17/2017 by Usbport
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Guess the Architecture for 11/14/2017

11/14/2017 posted in Guess the Architecture
by MaggieMc
Do you recognize this week's building? Care to take a guess?
11/14/2017 Views: 346, Comments: 23
Last comment 11/17/2017 by James Stewart
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Japanese Celebrate 35 Years of Manufacturing in the U.S.

11/14/2017 posted in Hemmings Motor News Blog
by dstrohl
There was a time when buying an import, particularly a Japanese import, was seen as an affront to American workers. But since the early 1980s, Japanes...
11/14/2017 Views: 132, Comments: 2
Last comment 11/15/2017 by tonyhemet
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Woman of the Week – Danielle Dy Buncio

11/13/2017 posted in WoW Blog (Woman of the Week)
by lmno24
Danielle Dy Buncio is the co-founder and CEO of VIATechnik, a construction and engineering services firm working to make the construction industry bet...
11/13/2017 Views: 129, Comments: 0
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Texas Begins Revoking Titles for Dune Buggies, Sand Rails, and Other Kit Cars

11/13/2017 posted in Hemmings Motor News Blog
by dstrohl
While Texas state officials claim to be looking into the matter, the state’s DMV has outlawed any rebodied vehicles and has started to revoke ti...
11/13/2017 Views: 251, Comments: 18
Last comment 11/16/2017 by James Stewart
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Laser Engraved Gift Guide 2017

11/12/2017 posted in Machine Tools & Metal Working Blog
by Epilog Laser
The holidays are upon us, which means racking the brain for the perfect gift for that special someone. Sure, you can join the crowds and shop ‘t...
11/12/2017 Views: 224, Comments: 2
Last comment 11/13/2017 by JE in Chicago
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Letting Amazon into Your Home

11/11/2017 posted in The Engineer's Notebook
by M-ReeD
Imagine coming home to a warm pizza or the package you ordered from Amazon already safely tucked away in your home. This latest offering from Amazon i...
11/11/2017 Views: 134, Comments: 8
Last comment 11/16/2017 by jhammond
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The Key to Power in Your Hotel Room

11/10/2017 posted in TechnoTourist’s Engineering Expeditions
by BestInShow
On my recent trip to Greece I realized how well-trained I am to recycle stuff – soda cans, paper, plastic, stray bits of metal – when I co...
11/10/2017 Views: 379, Comments: 18
Last comment 11/15/2017 by James Stewart
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Singin’ the Four-Barrel Carburetor Blues

11/09/2017 posted in Hemmings Motor News Blog
by dstrohl
“Where will you put that thing? There’s no room on my workbench!” Dad was angry. This wasn’t the first time I appropriated hi...
11/09/2017 Views: 215, Comments: 1
Last comment 11/10/2017 by 70AARCuda
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North American Eagle Selects Diamond Valley for Land-Speed Record Attempts; Sets Speed Limit of 1,500 MPH

11/08/2017 posted in Hemmings Motor News Blog
by dstrohl
Not much exists on the alkali flats of the Diamond Valley in central Nevada. While cattle ranchers and timothy grass farmers keep to the southern end...
11/08/2017 Views: 266, Comments: 8
Last comment 11/10/2017 by SolarEagle
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Guess the Architecture for 11/7/2017

11/07/2017 posted in Guess the Architecture
by MaggieMc
Do you recognize this week's structure? Drawing it reminded me of drawing Giovanni Battista Piranesi's staircases as an exercise in college. Care to t...
11/07/2017 Views: 236, Comments: 11
Last comment 11/13/2017 by SolarEagle
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A Bit of Fall Weekend Work Before it Gets Too Cold

11/07/2017 posted in Hemmings Motor News Blog
by dstrohl
Many of us can attest to the fact that vintage cars require periodic attention or they begin to slip into a permanent state of rest that impedes futur...
11/07/2017 Views: 188, Comments: 0
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