⚙ Mechanical Engineering

Re: "Rockets not carrying fuel" and the space tower.

> >>> >>> >>> The following analysis is acurate to 3 significant figures. >>>//// >>> p = 1000 kg/m^3 (density of water...

4 comments posted 21yrs

posted by betwys1

4 comments posted 21yrs posted by betwys1

iron from clay

Hi I'm trying to get some iron out of the local earth (Washington, D.C.) to make a little memento from my property. I h...

30 comments posted 21yrs

posted by eee

30 comments posted 21yrs posted by eee

Composite material yielding question

A question on a recent test asked me to determine what the stress inside a uniaxial composite was at a given strain val...

1 comments posted 21yrs

posted by dave.harper

1 comments posted 21yrs posted by dave.harper

please help me-how to assemble the coupling matrix which is asymmetric.

hi all, I am implementing the coupled code for soil mechanics. In my equation, I have the couling matrix like C=dN_i/dx...

0 comments posted 21yrs

posted by taquocdung2001

0 comments posted 21yrs posted by taquocdung2001

PVD Coatings and Vacuum Technology - Research Forum

PVD Coatings and Vacuum Technology - Research Forum International Forum about current problems and solutions in R&D thi...

0 comments posted 21yrs

posted by vteixeira2000

0 comments posted 21yrs posted by vteixeira2000

Standard aluminum extrusions in Hex shape?

Is there a standard aluminum extrusion in a hex shape? this is for a low cost electronics/imaging enclosure. Ideally: S...

4 comments posted 21yrs

posted by alan.browne

4 comments posted 21yrs posted by alan.browne

Mil and Thou

I am now retired. I remember a thousands of an inch was often called a 'thou'. Is it true it is also called a 'mil'? An...

15 comments posted 21yrs

posted by nothing

15 comments posted 21yrs posted by nothing

ANSYS Workbench material database

Hi, IDAC has just released a very useful Material database for Workbench. Please check out: http://www.idac.co.uk/servic...

0 comments posted 21yrs

posted by freddubar

0 comments posted 21yrs posted by freddubar

Consulting physicist needed

My client has some data from projectile impact testing which are beyond either of us to interpret confidently. I really...

0 comments posted 21yrs

posted by sporkedUNDERLINEagainMUNGE

0 comments posted 21yrs posted by sporkedUNDERLINEagainMUNGE

Gear Box

Can Any one say about the methods used for checking the backlash in a industrial gearbox (Reducer) It can be Helical, p...

3 comments posted 21yrs

posted by mvsmani

3 comments posted 21yrs posted by mvsmani

H2O For A Lighter Than [Dry] Air Balloon

Back when I was living in SE [95% r h humidity] swamps I got this idea: Get some filmy material like dry cleaner bags,...

26 comments posted 21yrs

posted by BretCahill

26 comments posted 21yrs posted by BretCahill

watt meter

Hi, on our electric power meter on the side of our house there is a number called kh 7.2 . I am told that this has to d...

5 comments posted 21yrs

posted by jopkoam

5 comments posted 21yrs posted by jopkoam

Help Not Really Wanted: "Green Card Game"

One of the most irritating aspects of a job search is encountering ads for positions that already are actually filled....

1 comments posted 21yrs

posted by metalengr

1 comments posted 21yrs posted by metalengr

air compressor needed

Hello, I'm looking for an air compressor a machine and hopefully one of you can help me! The machine needs a permanent...

0 comments posted 21yrs

posted by joernjoens

0 comments posted 21yrs posted by joernjoens

Air compressor

Hi, I'm are looking for an air compressor for a industrial machine and hopefully one of you can help me! The machine ne...

3 comments posted 21yrs

posted by joernjoens

3 comments posted 21yrs posted by joernjoens