⚙ Mechanical Engineering

Multiscale Methods (Call for Submissions)

Dear all, I am posting this message to the list again. Please contact my co-editor Xiao-Li Meng for questions on this t...

0 comments posted 18yrs

posted by MichelleLiou

0 comments posted 18yrs posted by MichelleLiou

New Foundry Equipment Web site

Hello, We are pleased to announce our new Web site for Foundry Equipment. http://www.vmefoundryequipment.com Visit this...

0 comments posted 18yrs

posted by johngurunathan

0 comments posted 18yrs posted by johngurunathan

Boeing 787; in what units has been designed?

Do you think that the ease of conversion between different systems of units now makes it irrelevant what units are used...

15 comments posted 18yrs

posted by pawel.kurowski

15 comments posted 18yrs posted by pawel.kurowski

Harris equation for centrifugal force in ball bearings

Hello, Harris states in "Concepts of bearing technology" that the equation for centrifugal force (Fc) of a ball in a be...

1 comments posted 18yrs

posted by trinix

1 comments posted 18yrs posted by trinix

Temperature readings inside copper pipe - Thermal transfer Question

I am building a temperature data logger for galvanized water tanks. They are about 8'L x 2'H x 3'W I am using a DS18B20...

2 comments posted 18yrs

posted by gtslabs

2 comments posted 18yrs posted by gtslabs

transmission of rotation inside water chamber

I've a question and hope someone could help me with I need to transmit some rotational motion provided from a rotationa...

4 comments posted 18yrs

posted by vinegoni

4 comments posted 18yrs posted by vinegoni

Pressure Differential Valve for Fail Safe Operation

Cheap 5/8" poly irrigation tubing costs 5 cents/foot but degrades in the sun and unexpectably rupture creating a mess....

7 comments posted 18yrs

posted by BretCahill

7 comments posted 18yrs posted by BretCahill

Can a helicoil from side "A" take a screw/bolt from side "B"?

I have a situation where I need to screw into some aluminum. Can a helicoil be installed at the bottom of a deep hole,...

4 comments posted 18yrs

posted by rich

4 comments posted 18yrs posted by rich

Operating Temperature and junction temperature.

Hi all, I am working with thermal analysis of a PCB for the first time. I have some preliminary doubts regarding same....

1 comments posted 18yrs

posted by kulkarni.asmita

1 comments posted 18yrs posted by kulkarni.asmita

Looking for mechanical knowledge for puzzling torque question.

Can anyone comment regarding this situation? I have a wrench that pivots at the base, in other words the handles goes f...

2 comments posted 18yrs

posted by rob

2 comments posted 18yrs posted by rob

carburetor!!!

Hi I just bought a Gravely 1974 Tractor and I realy need to clean the carb but I can't get the bowl off. I was wondering...

1 comments posted 18yrs

posted by riley2198

1 comments posted 18yrs posted by riley2198

Buttress threads

Is it possible that buttress threads are easier to untight because of vibration than standard threads? Thank you!

1 comments posted 18yrs

posted by yvmarin

1 comments posted 18yrs posted by yvmarin

Plz Solve my problem...

i hve completed my degree. i.e BS(MATHEMATICS) But now i want to do any engineering degree in my future career as state...

5 comments posted 18yrs

posted by sufyan.iiui

5 comments posted 18yrs posted by sufyan.iiui

Which is most accurate ?

I brought 3 new sets of brander digital caliper (150mm). When I use a 25 mm +/- 0 um 20 C length of micrometer standed...

4 comments posted 18yrs

posted by mowhoong

4 comments posted 18yrs posted by mowhoong

Machining forces

hi, I need to theoretically calculate the turning forces, and hence the power required, involved in counterboring a pla...

2 comments posted 18yrs

posted by kenny

2 comments posted 18yrs posted by kenny