⚙ Mechanical Engineering

Focus on the Dead Time!

The potential performance of a control loop is limited by the apparent or real dead time in the loop. You are up agains...

0 comments posted 21yrs

posted by dwstclair

0 comments posted 21yrs posted by dwstclair

Glue for an oven door.

My oven door has come apart. It has two plastic locating brackets that are held onto the glass panel using what looks l...

4 comments posted 21yrs

posted by webmaster

4 comments posted 21yrs posted by webmaster

1.5 gram CO2 cartridge source?

My client is having a very difficult time locating a source that has stock of 1.5 gram CO2 cartridges. These little car...

5 comments posted 21yrs

posted by sporkedUNDERLINEagainMUNGE

5 comments posted 21yrs posted by sporkedUNDERLINEagainMUNGE

Stringpot--easy way to measure distance (linear distance transducer)

I have a "stringpot" for sale on Ebay. In case you are not familiar with one of these, they are an easy way to measure...

0 comments posted 21yrs

posted by eganders

0 comments posted 21yrs posted by eganders

Ball Screw Noise - Normal??

We're using a ball screw, purchased from Thompson, in a horizontally positioned linear translation stage. It spans 88"...

17 comments posted 21yrs

posted by strato79

17 comments posted 21yrs posted by strato79

Tapping Carbon Fiber

I have been working with a product that has fasteners (M8) connected to into tapped holes in carbon fiber. My first ins...

7 comments posted 21yrs

posted by rhybec

7 comments posted 21yrs posted by rhybec

knurling specification for metal components?

how is knurling specified? is it surface roughness, i.e. peak to trough? is there any specification for angle of the kn...

9 comments posted 21yrs

posted by graham.hobbs

9 comments posted 21yrs posted by graham.hobbs

Required Tripod for RADAR

Can anyone supply me with a rough estimate of the type of tripod that would be required to support a marine radar with...

1 comments posted 21yrs

posted by junk

1 comments posted 21yrs posted by junk

Post Weld Heat treatment and the Management of Residual Stress

The results of major European research projects have verified residual stresses in aged components. In line with this r...

0 comments posted 21yrs

posted by v_gatt

0 comments posted 21yrs posted by v_gatt

Rate-Dependent Stress/Strain Curves for 7075-T651 Aluminum

Hello all. For some time now I've been looking for a good source of rate-dependent stress/strain data for 7075-T651 Alum...

1 comments posted 21yrs

posted by jd

1 comments posted 21yrs posted by jd

Properties of sound in water

Hello, I'm in my first year of engineering, and I have a project that involves the scrambling of data using sound. The...

3 comments posted 21yrs

posted by tom_kurowski

3 comments posted 21yrs posted by tom_kurowski

araldite rapid - upper temperature limit..

Can anyone give me a rough idea of the upper temperature limit that Araldite rapid can withstand? i'm assuming that i've...

1 comments posted 21yrs

posted by webmaster

1 comments posted 21yrs posted by webmaster

highest psi creatable by hand-crank mechanism?

What are the commercially available mechanisms/devices that would allow creation of very high levels of hydraulic press...

9 comments posted 21yrs

posted by alanh_27

9 comments posted 21yrs posted by alanh_27

Re: spring/shock absorber has "reactance"?

>They say that the mechanical analogues of capacitors are springs, and >of inductors are shock absorbers. "They" are wr...

8 comments posted 21yrs

posted by hobdbcgv

8 comments posted 21yrs posted by hobdbcgv

Question about ships

Why the chimneys of the earlier modern ships, like Titanic, were inclined back? Aerodynamics? Thank you! JG

7 comments posted 21yrs

posted by araqis

7 comments posted 21yrs posted by araqis