⚙ Mechanical Engineering

Heart Lung Machine

Surgery of the heart usually involves opening the heart muscle. For operations of short duration it is possible to appl...

0 comments posted 15yrs

posted by alextancredy

0 comments posted 15yrs posted by alextancredy

Modeling of a pan tilt unit

Dear All, I am looking information on modeling the response of a Pan Tilt Unit. I am interested in the dynamic response...

0 comments posted 15yrs

posted by nick.avlonitis

0 comments posted 15yrs posted by nick.avlonitis

bolt torque linear force

Hi Guys: I think I have a simple question. 200ft/lbs on a bolt. 3/4" diameter bolt, about 16 turns/inch (pitch) 200*12i...

3 comments posted 15yrs

posted by harryhydro62

3 comments posted 15yrs posted by harryhydro62

caster

I have an old, very beat-up pickup truck that has developed the "death wobble" on the highway, like when it's going ove...

5 comments posted 15yrs

posted by nospam

5 comments posted 15yrs posted by nospam

Fancy mechanisms for hidden doors

Having just watched The Name of the Rose again, it occurred to me that mechanisms for hidden doors (move a specific boo...

4 comments posted 15yrs

posted by spam

4 comments posted 15yrs posted by spam

Calculations for raising temperature in specific amount of time

Hi, I am trying to calculate the amount of heat required to raise the temperature of a rubber sphere by 20 degree's Cel...

7 comments posted 15yrs

posted by izak.wessels

7 comments posted 15yrs posted by izak.wessels

safe cracking

Remember those old movies, where the burglar picked the safe, listening through a stethoscope? Well, out of curiosity,...

2 comments posted 15yrs

posted by r_delaney2001

2 comments posted 15yrs posted by r_delaney2001

Need help determining strength of aluminum rod please.

I need to know how much weight a =BD=94 aluminum rod will support. The rod= is T-6061-T6 and is 18=94 long. It will be...

2 comments posted 15yrs

posted by lanegustafson

2 comments posted 15yrs posted by lanegustafson

Fixturing Question

I need to fixture some small diameter wires , (0.013") for coating. These parts are small diameter, but they're moderat...

2 comments posted 15yrs

posted by dmg741

2 comments posted 15yrs posted by dmg741

Q: articles or other sources of data on press fit influence on fatigue life

I am looking for information regarding the effect of a press fit on fatigue life for a cantilevered round pin subjected...

1 comments posted 15yrs

posted by j_juhlin

1 comments posted 15yrs posted by j_juhlin

how to mount VAWT on tapered roller bearing?

I'm making a wind-powered sculpture (powered by a VAWT - http://en.wikipedia.org/wiki/VAWT) and I am trying to construc...

6 comments posted 15yrs

posted by zardozrocks

6 comments posted 15yrs posted by zardozrocks

need gears for light-duty wind project

I'm not a mechanical engineer. I'm working on a kinetic sculpture that will connect a vertical-axis wind turbine to a d...

2 comments posted 15yrs

posted by zardozrocks

2 comments posted 15yrs posted by zardozrocks

call for Research Papers

( WE APOLOGIZE IF YOU RECEIVE MULTIPLE COPIES OF THIS MESSAGE ) =======================================================...

0 comments posted 15yrs

posted by editor.scientific.journal

0 comments posted 15yrs posted by editor.scientific.journal

Converting a pendulum movement into a vertical one

Hi, What is the most efficient mechanical way of converting a swing movement into a vertical one. I have an inverting p...

2 comments posted 16yrs

posted by jcasqueiro

2 comments posted 16yrs posted by jcasqueiro

acoustic kinetic art project - could use advice

Hi everyone! I am not myself a mechanical engineer. I'm trying to create a wind- driven kinetic sculpture that is basic...

5 comments posted 16yrs

posted by zardozrocks

5 comments posted 16yrs posted by zardozrocks