Scootmobiles weren't exactly a craze, but there were enough of them built during and just after WWII for the word to gain currency. In the absence of new cars and with gas severely rationed, backyard inventors were essentially recreating the cyclecar, home building light one- or two-seaters,
Category Archives: Aerospace
It's Official: This is Texas's Worst One-Year Drought on Record
From TreeHugger:
While the East Coast got slammed by an unusually large and northbound hurricane, Texas is still reeling from its worst drought since record-keeping began.
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Caption This for 09/02/11
This week's image:
Be sure to vote for your favorite caption!
Is Coating's Future in Nano- or Bio-tech?
The coatings industry is booming with new advances, from nanotechnology-based films and lubricants to bio-based resins. Which shows more promise, nano or bio? The general public has questions about the safety of nanotechnology while the economics of raising crops for chemicals rather than food has o
How Well Does Engineering Fit in?
The term "teamwork" is impossible to avoid in any published discussion of the operation of a healthcare facility. While not exactly a buzzword, has it been overused? Does the emphasis on teamwork reflect day-to-day working reality for the engineering function in your organization? How well integrate
Is Nuclear Power in Trouble, or is It Media Hype?
A recent Reuters poll of 19,000 people worldwide found that 62% oppose nuclear power generation, and that it's falling behind almost every other form of power generation in acceptance. Could this be the beginning of the end for nuclear? Or is the media hyping up the backlash following the Japanese t
Are You Driving Less in 2011?
With the cost of gas holding steady and the economy seemingly headed south, Americans logged 15.5 billion fewer miles this year than they did during the first half of 2010. So says a new report by the NHTSA, which also found that roadway use is at its lowest point since 2004, and driving is do
coating
What is the different between cyclic and Non cyclic in coating
Disconnected Charger Draining Device Battery
I have a Lithium ion battery powered screwdriver that requires disconnecting when fully charged. (unlike its predecessor which remained on permanent trickle charge).
My new screwdriver sits nicely in its charger, but I am wondering with the mains power off (when the screwdriver is fully charged). W
Are DiodesEssential in Solar Panels?
Shortly I will be making up my solar panel. I have seen a reference to a diode being included in the panel to prevent reverse current flow. Does anyone know if this is an essential requirement?
Lightning Connection
Dear friends, a client has a lightning rod with the down connection I believe wrong connected and confirmed by a friend, see attached picture pls. The rod goes through an aluminum pipe wich makes a large impedance on the rod. Acording to IEEE 124 1991 2.2.6 this should not be done, the thing is I
Electrical / Electronic Pulser Multimeter
Hi Everyone, Pls am really looking for an Electrical/ Electronic Pulse Multimeter that can take Pulse reading from Electrical and Electronic. Kindly advise a good one!
Contactors/ Solenoid/ Relays
How many years thus these devices have, given normal operation? What is the common cause of breakdown of these devices?
About Phd
Sir I am an electrical eng and now want to go for a phd so will you please suggest to me the topics
Spring Type Electrical Connector
Hi all,
Does any one know blind mating type of connector....? I have an application where the connector is placed in back cover and PCB in front cover.
when i assemble front and back cover, the connectors should automatically make contact with the pads provided in the PCB.
As per my knowledge, Po
Engine Cylinder Head Disassembly and Assembly
Hi all,
I need a Job quality Standard Procedure with pictures for Caterpillard engines Cylinder Head Disassembly and Assembly.
3304A and 3306B Engines.
Many thanks for your suppoprt.
Please Help Design a Dummy 230v ac Electrical Load.
Hi
I'd appreciate any help you can give me on this as although I'm an approved electrician, I'm not an expert on electronics so here's hoping.
My job is to perform the periodic inspection and testing of electrical installations in line with BS7671. Sometimes I have to trace unknown circuits and I
How To Check Open Port On LAN
Dear Sir,
We are using an IP range from 172.16.1.1 to 172.16.31.250 on our LAN network. I want to check which port is open on which ip address? Kindly give me a procedure how to check for an open port on active/inactive IP address?
Arizona Ski Resort Plans To Make Powder Out Of Sewage
From Fast Company:
Because there isn't enough snow in Arizona to support a ski range, the Snowbowl Resort is making its own snow. But the only water available is wastewater.
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Enormous Underground River Discovered in the Amazon
From TreeHugger:
The sprawling Amazon rainforest is easily one of the most fascinating and mysterious regions on the planet, what with its dark, dense vegetation that stretches across the horizon like an unimaginable vast sea of green, home to an untold number of undiscovered species --