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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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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
1,039 237,897
A number of questions, particularly involving homework, often involve some basic engineering. In the US, the...
Nov22-13 02:02 PM
rneale
38 61,948
You're just one click away from posting your homework help request! Click here to post.
May17-14 06:51 PM
Redbelly98
0 2,703
I have access to definite definition to terminology like stress(Pa), strain(dimensionless), ultimate strength(Pa),...
Nov14-09 11:02 PM
scoutfai
4 14,235
hey folks, I am tryin to model a moving volumetric heat source over a substrate. I want to move my coordinate...
Nov11-09 10:01 PM
saty11
0 2,653
I decided to try my hand at initiating a discussion. In particular, I'm interested in what others think about the...
Nov10-09 08:39 PM
Kenneth Mann
13 6,313
Does anyone know if one can plot stress contours for BEAM elements in ANSYS along the length? I am modeling a...
Nov12-09 07:23 AM
rtdlakes9
0 5,790
Hey guys, First post so be nice :smile: I am building a system to measure the temperature of water in a tank. I...
Nov12-09 03:58 PM
Topher925
2 3,666
Let me put the facts first: - A students team from my college is building a satellite, under guidance from...
Nov13-09 08:16 AM
dharavsolanki
1 4,054
Hello Forum , i would like to ask you : i have a motor galva motor...
Nov14-09 10:20 AM
anita1984
2 1,841
For the same building with square vs. circular concrete columns of equal number and cross-sectional area, under what...
Nov16-09 07:55 PM
Loren Booda
3 4,633
If I have a heating source that gives off constant single temperature heat which heats a mass of insulator, next to a...
Nov17-09 07:37 AM
Fancy Moses
4 8,442
I have been told that to solder properly the source of heat is to be directed at the bottom of object to be soldered...
Oct31-09 04:42 AM
Danger
3 6,098
Hi wonder if there is anyone out there who can help me !! Whats the easiest formula for working out the measurement...
Nov11-09 02:19 AM
CarlAK
9 3,417
Hello. I'm thinking about building a 2D pathfinding robot. I was just wondering if anyone wanted to suggest a...
Nov7-09 10:16 PM
parkland
5 5,591
Hi all, I am new here, this is my first post. If this is the wrong forum to be posting this in, please point me in...
Nov3-09 06:20 PM
Mech_Engineer
11 2,647
I am stumped on how to convert my units for the equation for Force of Lift. FL=CLPA\frac{v^{2}}{2} My equation...
Nov3-09 12:39 AM
aaronmorg
9 4,109
Hello, I am a first year engineering student and I have a short question about refrigeration systems. Just want to...
Nov2-09 03:37 PM
sgehrenberg
6 2,034
I've been working in class and I'm having trouble clarifying how these two (if at all) are related. Say we have a...
Nov9-09 03:43 PM
Ignea_unda
2 4,988
Hey all, I just saw an article on yahoo about a company called Galactic Suite (http://www.galacticsuite.com/) that...
Nov2-09 03:36 PM
Mech_Engineer
1 1,544
In regard to (tile) radiant floor heating, a professional is needed to come and install a heat-conducting plastic mat...
Nov3-09 10:12 PM
FredGarvin
4 1,694
A pressure vessel is stamped with an MAWP of 150 psi at 450F. We are operating at 120 psi at ambient temperatures...
Nov4-09 04:36 PM
Q_Goest
3 3,762
Hi, Can anyone recommend a good adhesive to glue a strain gage to steel? Ideally it would be something readily...
Nov4-09 07:28 PM
Phrak
3 4,903
I obtained lift and drag forces for an object I was testing in a wind tunnel and I wanted to know if it was possible...
Nov4-09 10:54 PM
ank_gl
1 1,664
I want to reduce the weight of a square aluminum tube, 36 inches long, 1 inch square, and 1/16 inch thick, while...
Nov5-09 12:20 AM
Mech_Engineer
1 3,234
Hello Everyone, Okay so I am new to the engineering stuff and am starting off with some basic ideas. I wont get...
Nov9-09 06:54 AM
dr dodge
4 1,875
Hello forum , i have a spindle motor from an HDD and i pasted to this motor 6 facets polygonal mirror, the problem is...
Nov8-09 01:52 PM
anita1984
3 1,959
Hey, I am wondering if any one can help me. I need to calculate the velocity of water exiting a water wheel. I have...
Nov6-09 12:12 PM
minger
1 2,816
Before I get flamed for this, I am not running a gasoline engine directly with normal fuel oil or veg oil- I made a...
Nov17-09 06:39 PM
parkland
19 5,354
Hi all, hope I'm not intruding or posting in the wrong place, and I apologise in advance if I have. 1st, I am not a...
Nov12-09 07:51 PM
parkland
16 2,836
I have 2 each 1-1/2 ton refrigeration units for a walk-in freezer. I would like to build a dehumidifation kiln to dry...
Nov11-09 05:30 PM
russ_watters
3 3,560
Something seems funny in the Cengel & Boles Thermo text, 6th edition. The entropy chapter defines relative pressure...
Nov7-09 05:33 PM
deadstick
0 7,697
Is the I-beam still favored by structural engineers?
Nov9-09 09:30 AM
Danger
11 2,539
how to find reactions in this beam? if there is a internal pin support
Nov9-09 03:25 PM
stewartcs
1 1,419
Alright. Um. We have 4 sheets of newspaper and 1 meter of masking tape. We have to design a structure to catch four...
Nov9-09 07:43 AM
dr dodge
3 2,735
How great would this be for a club house :tongue2: zE5PGeh2K9k
Nov9-09 09:35 AM
Danger
9 2,261
I know for a uniform load the M max is wL^2/8 What is the M max for a triangular load similar to this... this...
Nov11-09 02:23 AM
CarlAK
1 7,007
So I know little about engineering. But I do know a thing or two about programming in c++ now. I've disassembled many...
Nov15-09 02:17 PM
Rhine720
12 2,504
Hello forum , i want to ask you a simple question , i am building a circuit on a bread board, the circuit is an H...
Nov16-09 10:54 PM
MATLABdude
1 2,106
have any of you become engineers just because that just happened to be the most practical choice your first undergrad...
Nov16-09 06:07 PM
renjiLambrusc
4 2,040
Would the performance of a ducted fan be negatively affected by the presence of a surface flush with the intake of the...
Nov16-09 07:54 PM
FredGarvin
6 3,046
I have built a nice biomass gasifier that produces about 700,000 btu's of heat per hour by burning or flaring the gas...
Nov17-09 10:14 AM
stewartcs
1 2,918
Hey Guys, First post here, and I am picking my brain on how I could accomplish this. Here's what I have....
Nov17-09 02:03 PM
Mech_Engineer
2 2,901

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