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Is there anything out there I could use to grip a round tube and mechanically rotate it with high torque.

I install screwpiles using a torque motor which attaches to the end of the pile with a collar and pin system. This method nessitates the pile to be in short pieces (ie. around 2mtrs long).

I have to tap about (60) holes in aluminum 6061 for 4-40 machine screws. I'm trying a thread forming tap for the first time, hoping it will go faster than with thread cutting taps and with less chance of breakage. Can you tell me what procedures to follow, as to lubricant, power vs hand tapping?

From [Geeks Are Sexy] Technology News:

Even if you don't celebrate Christmas, it's kind of hard to avoid the decorations. Of course, after seeing your millionth tree-topping star, strand of silver garland, and candy cane reindeer ornament, the trimmed trees all start to look the s

From Scientific American:

The H1N1 pandemic, the Copenhagen climate talks, the restart of the world's biggest experimental device--2009 sped by many scientifically relevant mile markers. The year also celebrated several important past events: It saw the bicentennial of Charles Dar

From NYT > Technology:

The city wants to put warnings on cellphones about the possibility of health problems caused by their radiation, despite the lack of scientific evidence about the risks.

Read the whole article

From Neatorama:

The guys who brought you An Engineer's Guide to Cats are having a friendly battle with Christmas laser beams. Things turn ugly when the nuclear hairball is deployed!

Read the whole article

Ok everyone has seen the thing you put in your chimney to get a LOT more heat from a wood stove called the Magic Heat and looks like this,

But in the early 80's I was able to find a unit that is similar in operation, but instead of a fan in the back it used an actual blower, and the output

Even if consumers are careful to separate paper products and put them in the proper recycle bins, it ends up getting mixed up with other refuse in the trucks, reports Ellen Moorhouse in the Toronto Star. Paper makers who use post-consumer material are finding they are spending millions of dollars to

Google has been accused of hypocrisy in its negotiations with the city of Los Angeles. Google hopes to convince the city to move from its desktop-based e-mail and office applications to Google's hosted ("cloud-based") offerings. A consumer advocacy group says the company publicly talks up the securi

I wish all CR4 members

Merry Christmas and Happy New Year.

V.I.Abraham

I have been laid off for almost a year. I have a BSEE degree and wish to change careers and become a teacher after 19 years of working in mostly maintenance management positions.

I am presently working part-time teaching for a technical college. I have applied for a full-time position, but I t

I have a defected a machine LCD lamp without any mark or label

1- How i can get any data about it

2- how i can buy one

Dear All,

This is in regard to a techincal query of Insulation system in Cold Boxes of Air separation units.

why mineral wool granulate is used inside the coldbox which is supposed to be a cryogenic service where moisture and condensation is a issue . If it is performing well Why can't we

Please explain when we use weldolet and when we select pipe to pipe connection?

do we have any standard for selecting?

I WANT KNOW ABOUT EN FULLFORM

AND ABOUT EN 8, EN 48 CMPOSITIONNS

AND WHAT IS DIFFERENT BETWEEN MS AND EN MATERIAL

merry crismast

dear cr4

i buy new delco remmy alternator type 300 who have voltage 24vdc but when iam use in my engine the out put is 15 vdc ,are something rong with my new alternator or other

Can anyone tell me what is 51/2 HT-55 box thread is this a license thread?

hi we are facing problem with DCS MLD block we found many time we are not getting output from DCS to the positioner of the control valve later it was found that MLD block goes to manual mode ,again by putting back to auto mode we get the right output to the positioner , can anybody help

hi one of our pump is frequently tripping on seismic HI vibration . B/N 3500 system slot 2 ch3 goes danger alarm hi other related probe gives only vibration alarms which on motor side .we check by overriding the trip and found that vibration are shown by the probes does exist but our vi