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Mechanical Engineering

- Development of machines. Mechatronics, Robotics, Engines, Drafting
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Development of aircraft and space vehicles. Propulsion, Aircraft Structures, Crafts, Atmosphere
T 03:00 PM bigfooted 
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Gear heads unite to discuss Vehicle Dynamics, Safety Engineering, Performance, NVH, Ergonomics, Durability...
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Jan16-12 Greg Bernhardt
Dear all, I checked job numbers on indeed Canada, and when using Pro/ENGINEER and solidworks as search words, I got...
Aug4-14 01:56 PM
buell23
26 34,446
Hi everyone, Maybe this resource is new for someone. It's a collection of videos made in the 60's by the very best...
Mar6-13 10:50 AM
FeynmanIsCool
61 97,868
Ok, I am in the beginning stage of design a robot that will follow me. I don't want to use the ridiculously expensive...
Jan17-09 01:57 AM
epicbattle
0 2,739
does any one know an equation that can help me find the stress of a hollow circular tube standing up-right and fixed...
Jan16-09 09:32 PM
nvn
14 1,845
I am trying to write a system model for lowering a mass into water. In my system model, I have a mass hanging freely...
Jan16-09 10:38 AM
Thaakisfox
14 21,266
Hi, I am stuck on what should be a fairly simple problem. I need to calculate the torque required to rotate a pipe...
Jan16-09 10:07 AM
Dr.D
7 30,415
Hello. I have a small problem. I have a CFD run going on our universities cluster. For those runs, I use a fully...
Jan16-09 08:14 AM
minger
0 2,828
The design I am building is like the simple DC motor design on http://www.coolmagnetman.com/magdcmot.htm I need some...
Jan15-09 07:33 PM
Dr.D
1 1,206
I am to design a sensor element that can detect a leakage through a thin metal disc (rupture disc) in a pipeline. ...
Jan15-09 11:18 AM
chayced
7 4,872
Hi, Can anyone recommend a text for Vibration. My university recommends Mechanical Vibrations by S.S Rao but it...
Jan15-09 10:33 AM
Rybose
4 2,053
I'm looking for some ideas for my mechanical engineering school project. It can be anything but needs to have at...
Jan14-09 06:25 PM
Ludapower
2 1,705
I want to play with gears - make my own and such. (They'd be custom, so it's not like I could put in an order for them...
Jan14-09 01:20 PM
DaveC426913
22 3,987
Good day. This is a reformulation of another post which I made with the physics guys at the Forum ;) OK. Here's...
Jan14-09 01:07 PM
1000_Words
16 1,326
Hello Everyone, I am on a FIRST Robotics Team. This year, the game has presented us with a new challenge. The...
Jan13-09 05:39 PM
Sunny1261
12 5,544
I want to convert horizontal type of oscillations to vertical oscillations. is there any existing mechanism for it?...
Jan13-09 03:20 PM
Dr.D
2 2,958
There is a cylinder which is water cooled from outside.I want to know what would be the boundary equation for water...
Jan13-09 09:15 AM
minger
3 1,093
Dear friends i am not a physics expert but a technical man. i encountered a problem in designing a machin for pipe...
Jan13-09 08:41 AM
nvn
15 4,835
I have a 6 foot piece of 2" OD solid 6063 aluminum bar that is supported at both ends. Hanging from the center is a...
Jan13-09 08:31 AM
stewartcs
5 3,943
In the follow link we are having a discussion about inertial propulsion:...
Jan12-09 07:07 PM
russ_watters
2 1,636
Is an ideal cycle possible? In a lab experiment that I have carried out, my enthalpy values for the cycle and the...
Jan12-09 01:48 PM
skaboy607
2 1,067
hello to u all out there (sorry for the misspelling, english is not my native language) i'm mechanical engineering...
Jan12-09 11:18 AM
ank_gl
6 11,723
I am using a gear mechanism in one of the toys that i am making for my baby. but the gear makes a lot of noise. Will...
Jan12-09 12:57 AM
Emreth
6 1,513
Dear all, I need clarification regarding torque requirement in the following arrangement. Imagine a shaft 25mm...
Jan11-09 09:08 PM
Analysis
2 2,182
I am doing project in model analysis. could any explain that, why should we find the values of natural frequency and...
Jan11-09 02:30 PM
nvn
1 1,048
Hello everyone, how its going. Lately I have got a project to do for Assembly Of Parts with two robots. Firstly I...
Jan10-09 04:37 PM
Andreii
1 1,304
Hi, everyone. I'm reading a book, Physics of Ferroelectrics--A Modern Perspective (Topics in Applied Physics 105 by...
Jan9-09 05:51 PM
sikeliu
0 1,017
In a two stage reduction gearbox is it possible to have more teeth on the gear pair (helical-parallel axis) of the 2nd...
Jan9-09 02:08 AM
yaqatari
11 6,599
give formula or reference for finding deflection at any point in beam (fixed at both ends) due to couple acting...
Jan8-09 05:29 PM
L62
2 11,995
Is it recommended to lubricate electric engines (i.e. a dc motor)? I have an electric engine inside a shaver. The...
Jan8-09 09:30 AM
Su Solberg
18 2,959
been reading in many books that polytropic efficiency is always recommended over isentropic efficiency. what are...
Jan8-09 12:42 AM
jason.bourne
2 17,762
I have 2 sundyne pumps of equal capacity operating in parallel having only one minimum flow line in the common...
Jan7-09 06:16 PM
Saumya Lohani
0 2,635
Hello, I need some help. I have a fluid inside a rotating cylinder being flung out towards the walls and exerting...
Jan7-09 04:51 PM
Dr.D
5 6,335
I have a 1/4 hp electric motor. I plan on attaching a piece of threaded rod to the shaft of the motor. If I put a...
Jan7-09 11:55 AM
Dr.D
12 7,621
I'm in the process of designing a pneumatic air valve, and although I'm pretty sure I've got the concept down, I...
Jan6-09 10:53 PM
becoming2000
0 1,104
Does anyone know what the pressure is inside the cylinder of an internal cumbustion gasoline engine at the expansion...
Jan6-09 10:51 PM
Dr.D
19 5,388
Heya folks at Physics forums. I'm having a bit of a problem with the theory of maths behind a simple formula used...
Jan6-09 03:51 PM
Dr.D
1 3,024
Hi I want to build an upsidedown pendulum. My problem is what is the best/most used way of converting a circular...
Jan6-09 03:33 PM
chris2547
4 1,986
Hi, I think I have confused myself over the COP of a refrigerator. I have refrigeration system and a certain set of...
Jan6-09 12:13 PM
skaboy607
0 1,769
Hello forum , i extract a spindle motor from a hard disk , it has 4 wires : black, red , green and white . picture :...
Jan6-09 10:33 AM
anita1984
0 1,198
I am a high school physics student and am building an air cannon to study projectile motion for our end-of-year...
Jan6-09 07:21 AM
minger
17 12,029
I'm ready to begin proof of concept experiments on the Mk IV Tesseract, following on the limited success of the three...
Jan5-09 10:35 PM
DaveC426913
6 1,933
Does anyone have a solidworks sketch of this airfoil? I would like to use it for a COSMOS analysis for a lab I am...
Jan5-09 04:44 PM
Topher925
2 11,806

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