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- The design, building, and use of engines, machines, and structures. For any engineering topics not applicable to the categories below.
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Jan16-12 Greg Bernhardt
We always have threads on various pieces of the puzzle, but what I want here is for people to post a coherent plan of...
Aug13-14 11:01 PM
jim hardy
1,039 238,073
You're just one click away from posting your homework help request! Click here to post.
May17-14 06:51 PM
Redbelly98
0 2,716
A number of questions, particularly involving homework, often involve some basic engineering. In the US, the...
Nov22-13 02:02 PM
rneale
38 61,989
Can a flow meter whose scale has graduations only 2 units apart (e.g. 90,92,94,96,98,100) have a legitimate advertised...
Oct1-13 09:03 AM
rollingstein
2 1,497
This years ASME Student Design Competition is building a UAV to navigate a simple obstacle course and drop a 1 gram...
Sep28-13 07:05 PM
SugarBombs
3 1,899
Hey guys, I know you all wish you never had to do all the weird conversions required for our current system of...
Sep27-13 12:37 PM
SteamKing
64 12,927
I have some square tubing 3x3x1/4" A36 that will be fixed on one end and free on the other the material 9' long how...
Sep26-13 09:27 PM
Brian Simpson
5 2,262
I recently saw a massive new crane at a ship-repair yard. Something like this one: ...
Sep26-13 12:53 PM
Baluncore
15 4,973
Hi I have a small petrol generator. How Large/Long/Heavy would a CV spring need to be, to run it for four hours. ...
Sep26-13 08:41 AM
Baluncore
2 1,962
Suppose that a problem involves 2 unknown forces at certain specified points (point forces), along with other relevant...
Sep25-13 09:46 PM
PhanthomJay
1 1,834
Hi All, So here's the problem. A project I am working on has a composite metal panel assembly, which a previous...
Sep25-13 04:46 PM
AlephZero
4 1,802
Hello I am currently an aerospace engineer at university and was beginning to wonder whether it was the best idea...
Sep24-13 09:25 AM
boneh3ad
3 1,704
I just downloaded this software since it is free and can supposedly be used for CAD. Does anyone have experience with...
Sep24-13 07:54 AM
timthereaper
4 1,815
I often leave my golf clubs in the car rather than bothering to take them out I just wondered how much extra this is...
Sep22-13 08:13 PM
skeptic2
4 1,541
How do I find deflection (displacement) in point C at the end of the beam? Answer is to be given in mm. There is a...
Sep21-13 10:12 PM
nvn
4 1,502
Hello, I'm working on my first year engineering project. I'm an electrical engineering major but this is a general...
Sep19-13 02:10 PM
TimNJ
8 2,463
Does anyone know any Forumulas or how to calculate the dimensions of a pulse jet engine? I have already built...
Sep19-13 01:04 PM
Keith R
4 7,009
hi, i am doing an electric bicycle project. The basic improvement required would be the asist of the motor using...
Sep19-13 02:36 AM
a_asi
2 1,243
Hello, I was hoping someone might be able to help explain what the following are, I have found many articles but...
Sep18-13 07:00 AM
Baluncore
1 1,529
Hi, I am currently working on science project. But I have a problem. I am conducting Chladni pattern experiment and...
Sep18-13 06:52 AM
Baluncore
2 1,444
All- I'm trying to work through a problem in my head and am looking for a little guidance. I want to build a...
Sep18-13 06:12 AM
SteamKing
21 3,139
Hi all, I have a very basic question regarding the topic of stress.While deriving the equations of equilibrium for a...
Sep16-13 08:13 AM
timthereaper
5 1,199
Hello, I'm new here and that's because I've run into a problem I can't reliable find anywhere else. I guess I need...
Sep15-13 10:37 AM
Baluncore
1 1,285
I just got my hands on a solar battery charger with a set of usage specifications that makes me believe it will only...
Sep15-13 09:07 AM
mfb
1 1,017
Hi all, I am after trying to find the plastic section modulus about both local axes (x & y) after having calculated...
Sep14-13 11:51 PM
SteamKing
1 1,529
Hi guys, I'm new to this forum and first of all would like to say Hello to all of you. I'm an R&D Engineer ( not...
Sep13-13 01:42 AM
acbel
2 1,428
On a hot day the AC in my car starts working immediately pumping cool air, on a cold day I have to wait till the...
Sep10-13 09:42 AM
johnbbahm
5 1,204
hi all, i need to know what relation should i used for subcooled liquid, for example,a rigid tank is filled with...
Sep10-13 02:02 AM
ThomasO
1 1,248
I am trying to predict pressure drop in a pipeline with a range of different materials. I have used a surface...
Sep6-13 10:06 PM
SmwhrInSpaceX
2 4,177
Hello. I currently hold a B.Sc in Chemistry with a double minor in Math and Business Administration. I have had great...
Sep6-13 06:55 PM
Aero51
2 1,881
Hello, I'm a mechanical engineering major/electrical engineering minor university student. A huge part of...
Sep5-13 02:15 PM
KiltedEngineer
4 1,534
Hello Im trying to work out which material would best withstand a object weighing around 17kg falling approx...
Sep4-13 07:30 AM
missfifer
0 1,063
I'm trying to calculate the power required from forced induction with this equation; W˙=m˙CpT1ηc⎡⎣(P2P1)(γ−1γ)−1⎤⎦...
Sep4-13 04:32 AM
James125
4 1,277
hello, does any one know if lagging a turbo and exhaust system would cause failure of the turbo. my thought is that...
Sep3-13 01:43 PM
etudiant
3 1,028
Hello, We are a solar energy solutions provider and we are looking to explore CSP plants at smaller scales. I...
Sep2-13 04:02 PM
marciokoko
11 1,787
When performing a 2 hour pressure test on a waterline, the formula for calculating the allowable water loss over the 2...
Sep2-13 10:49 AM
SteamKing
6 1,393
Verilog is a dataflow language. Is module instantiation a concurrent process in verilog?? I mean if we are using...
Sep1-13 08:42 AM
klen
0 845
Dear reader, I thought I was getting the hang of converting units but came across a thermal conductivity value and...
Aug31-13 10:28 PM
Simon Bridge
7 1,104
Hello everyone! Could you please explain to me what design stages/phases exist? And in what order are they placed?...
Aug31-13 11:41 AM
Jack8rkin
9 1,558
Hello how are you guys?? so my question is how important programming languages are in the Mechanical Engineering ??...
Aug30-13 10:03 AM
rdrewd
5 1,612
One of these days on the TV I have seen news which has shaken me: Elon Musk has decided to intrigue the world - has...
Aug29-13 07:56 PM
mheslep
22 3,816
Like a stretchable antenna structure, i have an arm in my project and i want that arm to expand on command so i was...
Aug29-13 03:35 PM
chemisttree
2 933
Hi all, I have started with my understanding of pressure vessels and i have some queries on the topic. 1) I...
Aug28-13 05:54 PM
AlephZero
3 2,111

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