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Category Archives: Aerospace
Kva reduction
If I install power factor correction on an Industrial site it will reduce the Kva Demand but not the Kwh consumed.
My undertanding is that electrcity is generated in Kva. By reducting the Kva on site, will this reduce the energy required to power this site?
Would this reduce the CO2 emissi
Scientists push "Doomsday Clock" back a minute
What to do with all that extra time?
Scientists pushed back the hands on the symbolic Doomsday Clock by one minute citing hopeful developments in nuclear weapons and climate change.
The symbolic clock that shows how close mankind is to self-annihilation was moved back to six minutes before
dimension of the nut for M20 bolt
What is the metric dimension for a M20 nut measured from flat to flat. Any web sites with this type info. Thanks all!
Cooling and Hydrostatic Test Water in a Pipe Mill
I am really not sure where to post this query, but here goes.
As the industry moves toward Mechanical Integrity as a whole instead of just relying on Chemistry, Metallurgy, and NDT, several questions are arising at present in an analysis I am doing.
Corrosion Induced Cracking has become a
torque limiter
Dear all
One of my cartoning machine main gear motor having torque limiter. whenever the load come on machine it trips. But I need to have one which can trip even less than machine starting torque. Because in running whenever cartons stuck in chain its changes timing or synchronisation of machi
Shipping Container Housing
I have a civil engineer friend whoose dream it is to design and build shipping container housing for general use and for emergency use, like an instant city for Haiti. Im trying to motivate him to live his dream, so what does everyone think about container housing?
spacecannon
poor quality Chinese fabricated stainless steel
Have there been any current reports about poor quality stainless parts fabricated and sold from China world-wide?
PCC / MCC
Hi,
I would likr to know what are the different components used in a PCC and MCC.
Can somebody please help me out in this.
Thanks
earthing for surgical and x ray rooms
plz can i know how doing earthing for surgical and x ray rooms for arriving to resistance only 1 ome
1992 Ford Thunder bird SC with ABS Break booster or Master Cylinder?
1992 Ford Thunder bird Super Coup 6cyl 3.8L, Automatic, has ABS.
I am having break issues with my Thunder bird. The breaks are hard to press and hard to stop. The break lights do come on when the break pedal is pressed. 1 Mechanic told me it was my Master Cylinder, another told me it was my Bre
strength of an electromagnet
They say that the strength of the magnetic field possible from an iron core electromagnet is limited to 1.6-2 T, is this limitation holds for an electromagnet with any number of turns ??? (is number of turns is a factor) and another question is, which core practically seems to be best???
Time to Take Chances
When the economy is full of uncertainty with no one knowing where it's heading, there is often a temptation to sit tight and do nothing. Yet that can be a risky strategy. In fact by doing so, you might be passing up an opportunity to get a leg up on the competition by, for example, instituting new p
Stihl 025 coil resistance
What should be the resistance from the motor to the plug wire on the Stihl 025 chainsaw? I read about 12K ohms on ours, but on another brand, I read about 4K ohms. Saw shop insists we need a new coil. The saw cranks when cold, but we are not sure whether it floods, or has coil falure, as it runs wel
Who Will Care for Your Parents?
Many of us have parents or grandparents who need some assistance, but they want to maintain their independence and stay in their own homes. "Healthbots" might be the answer; they can be on duty 24 hrs per day taking vital signs and calling for assistance if necessary. Would that solution give you pe
voltage difference between neutral and ground
If there is volagte between earth and neutral, what should be the reason ? and solution
* What should be allowable limit in case, if the voltage between earth and neutral exist ? / OR what is limit for safe voltage between earth and neutral?
Electrical Lugs
Friends
I want to start manufacturing of electrical lugs and connectors but don`t know where to start from. I want help and expertise from everyone to help me start my project.
U-matic video
I all.
I have just bought a house and all of its contents in Portugal. I have found the basement to be full up with old electrical equipment including many u matic video machines and other stuff relating to video and broadcast equipment. The local recycle center will take all of this from me
AHU Cooling coil selection with example
Can anybody tell me how to size the cooling coil and how to select the numbers of rows required ( Ex:3,4,6,10) according to the CFM and TR
Need basic materials for LT Panel design
Hi Experts, I would like to get some nice links or material or study case for designing LT panel. I am planning to design basic LT panel initial than go to complex one. Can anyone suggest me what precaution, methodology, standard, manufacturing quality i need to take care when i am designing