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General Engineering

- The design, building, and use of engines, machines, and structures. For any engineering topics not applicable to the categories below.
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We always have threads on various pieces of the puzzle, but what I want here is for people to post a coherent plan of...
Mar17-14 06:22 PM
982 197,335
A number of questions, particularly involving homework, often involve some basic engineering. In the US, the...
Nov22-13 02:02 PM
38 50,445
In response to the growing needs of our membership, we're excited to announce the restructuring our Science Education...
Oct12-05 01:47 AM
0 20,409
hi, 1.please tel me in detail why do we say that for higher capacity we require more bandwidth? higher capacity...
Feb6-10 09:09 PM
29 11,739
Hey guys, I'm working on a project and am looking for some fatigue data for aluminum alloys, A356-T6 in particular....
Feb11-10 11:34 PM
6 17,770
hi all , i need to find an answer to this question you know of course airconditioners draws a high current...
Feb21-10 01:40 PM
11 3,525
A friend of mine brought his laptop to me today after it started acting funny, turned out to be over heating problem,...
Feb26-10 06:00 AM
dr dodge
14 3,701
Hello I am trying to get a ball park number on how many Gs the muzzel of a sniper rifle might experience when...
Feb12-10 07:50 AM
21 5,890
I'm a bit confused about power output and gear ratios. I think it's best to explain by going by my example (imperical...
Feb7-10 09:37 AM
20 15,870
Why are rockets round? Why not triangular, would it not be easier to make in some ways?
Feb6-10 05:45 PM
12 2,830
I think I saw a documentary on TV a while back about the thought of building a bridge between Alaska and Russia. The...
Feb16-10 02:22 PM
33 9,823
I have started a science and engineering society for teenagers and am wondering what others think of the idea. The...
Feb5-10 08:32 PM
19 2,646
I don't know if this is the right place to post this but here goes. I'm a Highschool student building a nitrogen laser...
Feb5-10 12:00 AM
1 2,613
I have recently come up with an idea about trying to build an apparatus to run some gravitational wave experiments. ...
Feb7-10 03:21 PM
20 2,656
Hi, im currently in my last year of highschool and i'm doing all the subject that will allow me enterance into...
Feb6-10 10:54 AM
1 5,556
Hello, I have a little question regarding airflow. You have an object in a wind-tunnel, which has a dynamic...
Feb6-10 10:09 AM
0 4,188
I've just read an article that my friend forwarded to me. It has me worried since I'm a civil engineering major, and I...
Feb21-10 07:14 PM
9 17,520
Hi all, currently I'm working on a project that require to weld two thin SS foil (0.002" thick) together. and the...
Feb10-10 10:34 PM
Doug Huffman
18 4,187
Hi, I have a Futaba FP-S148 servo motor and i need to obtain the transfer function of the output angle to the input...
Feb10-10 06:11 AM
0 4,650
Hi. I was wondering how to calculate I and W for rectangular and quadratic tubes. I have formulars for massive...
Feb10-10 07:28 AM
4 2,003
Hi I'm interested in measuring the recoil force of a weapon. Anyone got any ideas om how to go about doing this?...
Feb10-10 04:34 PM
3 5,422
From what i understand, the only thing that makes using fuel cells in cars versus lithium batties less desirable, is...
Feb26-10 09:53 PM
69 9,627
Hi I want to buy a scientific lab temperature controller with inputs for J-type thermocouple and consists of a...
Feb10-10 03:40 PM
1 1,738
According to the psychometric chart boiling point of water @ 600 psi is 252 C. I have a chamber with water inside...
Feb11-10 02:13 AM
3 3,492
I'm in grade 10, wondering what Universities in Canada offer dedicated Aerospace engineering programs, and which one...
Feb15-10 04:02 AM
6 3,815
Hello, I am looking to purchase Dielectric couplings. I am located in the east coast (NY/NJ). I am having...
Feb23-10 12:13 PM
Bob S
4 2,600
Hello! My friends.. My gonna ask you all some questions about electrical engineering. We all know that the basic of...
Feb12-10 04:29 AM
1 1,507
how can you determine if there is a moment and how does it works?
Feb17-10 07:55 AM
4 1,497
I have a heat source inside a steel box. I know the outside ambient air temp and the amount of heat the source puts...
Feb12-10 02:48 PM
1 3,862
I am looking for a valve that will let water into a system, but will not let the air out. The valve however will be...
Feb16-10 01:40 PM
13 2,449
is there any one who knows simulink ?
Feb13-10 05:05 AM
0 1,641
At my school, we have the option of specializing when we do Mech E of Aearonautics (specialize in dynamics, robotics,...
Feb14-10 01:55 AM
0 1,579
So I have a piston connected to a flywheel. If i push the piston with a force F, how does the equation of motion look?...
Feb15-10 08:11 AM
1 1,326
I'm thinking about participating in a science fair competition and I need to build a windmill capable of generating...
Feb17-10 09:31 AM
dr dodge
5 2,204
I have a BS in Mechanical Enineering with several years experience with general ME practices (i.e CAD design of parts...
Feb16-10 10:01 PM
2 2,017
Hello everyone, Can anyone please help me to find where I can purchase the DIN 2999 standard? Regards Huygen
Feb18-10 03:12 AM
1 1,612
I am a consulting engineer that frequently needs to determine the saturation temperature for various steam pressures....
Feb19-10 04:11 PM
3 3,228
Greetings. I'm new to COMSOL and am in the stage where I know what I want done, but I just can't get the software...
Feb22-10 09:01 AM
2 2,998
Hi, Not sure if this is asked in the right section, but I am doing something which involves moving a small car, and I...
Feb20-10 05:32 PM
0 1,757
Hey Working on a rather large project and it's the first time i've had to look into the world of pressure sensors....
Feb23-10 06:54 AM
0 1,464
Suppose we have a horizontal plate @ 0 'C and our environment is @ 8 'C. for calculating natural heat convection we...
Feb24-10 04:54 AM
0 1,742
Feb24-10 02:39 PM
0 1,485
Say I have a 20 ohm resistor with a tolerance of 5%. What does it mean to have a tolerance of 5%?? Thanks
Feb26-10 07:13 PM
7 10,051

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