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Mechanical Engineering

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Development of aircraft and space vehicles. Propulsion, Aircraft Structures, Crafts, Atmosphere
T 12:15 AM Simon Bridge 
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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...
Jun12-14 09:51 AM
DrBwts
23 29,566
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 90,005
Hello! Is there? I have a propeller fan and I want to know what is the pressure, CFM, speed, etc. based on it's...
Oct24-08 09:16 AM
Topher925
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I am designing a go kart for my college project. I am stuck with finding out how much horsepower I need. I know the...
Oct24-08 09:08 AM
Topher925
4 2,492
Hi I want to calculate the change in length of a cylinder under torsional force. (e. g. material = steel, initial...
Oct23-08 11:46 PM
kernel2705
6 4,273
Hi guys, I have a co-worker here who is stuck on a problem, and I cannot give him much help either. He is trying to...
Oct22-08 08:59 AM
Topher925
3 1,637
Having some troubles designing a steam power cycle for a project - any experts that would be willing to assist and...
Oct21-08 09:25 PM
Q_Goest
1 753
Ok, not sure if this is the right place to post this but here it goes. Many people have stated and I agree that 3, 6,...
Oct21-08 02:44 PM
brewnog
1 2,178
Ok, I am not sure if this is the right category to post this in but I am a mechanical engineering "sophomore" student...
Oct21-08 02:39 PM
mheslep
19 2,325
hello..i just have a question to ask for a mechanical engineering..if there is one please tell me so i can PM him...
Oct20-08 10:43 AM
FredGarvin
3 1,198
Rectangular Beam- Cross section h - dimension in y direction b - dimension in x direction If with a uniform...
Oct17-08 01:39 PM
minger
1 1,720
Attempting to use the formula: D = 1.72 (Tmax/σmax)^1/3 In my case I do not know σmax or at least how to calculate...
Oct17-08 07:01 AM
FredGarvin
1 2,717
Hi, I have an FEA model where all my parts are bonded contacts (no contact surfaces). I am trying to fix one end of...
Oct16-08 12:35 PM
FredGarvin
4 3,142
What is the Biot number (hL/k) is greater than 0.1 and I use the lumped capacitance method for analysis (i.e. there...
Oct15-08 03:53 PM
Mech_Engineer
1 1,905
How do I calculate the estimated power of a motor needed for a ford focus, engine size:1788cc, 4 cylinders??
Oct15-08 02:03 PM
brewnog
7 1,437
I need answer to a specific quistion . Why we use backward blade in impeller design for high speed compressors ??
Oct15-08 01:07 PM
ank_gl
1 1,090
I have a tool that is used in CNC metal cutting machines. This tool rotates and we have a machine that calculates...
Oct15-08 09:13 AM
GinVT
4 10,685
What if someone took a jet engine and took out the combustion and turbine mechanism. Then that person found an outside...
Oct15-08 05:04 AM
ank_gl
19 2,220
I'm taking a 300 level introductory course to thermodynamics (i am a mechanical engineering major). I am having...
Oct14-08 07:11 PM
spider_lm
9 9,177
Hi friends, I need to develop a small race car powered by 3.2 cc ic engine...can you suggest me the way to start...
Oct14-08 05:55 PM
spider_lm
4 2,074
i know that the stiffness for a line element is calculated as fl/ae where a is known as area and l is the length,f is...
Oct14-08 04:00 AM
PerennialII
2 7,440
I am trying to build a system to activate a servo at a unspecified point in time when a machine and remote looses...
Oct13-08 03:26 PM
Panic Attack
2 1,709
How is following calculated ? Pumping water from river, up a hill 100 metres high, it then runs downhill into a dam....
Oct13-08 01:06 PM
minger
2 3,777
Hi, I have a small confusion regarding using the terms "vortex and eddy". My doubt is 'what is vortex and...
Oct13-08 01:46 AM
jason.bourne
1 9,796
1)Anyone can figure out the chips problem due to milling a glass material BK7.? 2) I am using Ichikawa Milling...
Oct12-08 04:35 PM
FredGarvin
2 1,986
Hi there I'm new to the forum, I stumbled across it while trying to find the answer to a question I have. I am...
Oct12-08 09:18 AM
russ_watters
11 2,260
Might it be possible? Speculation: a fly-sized robot injects a polonium into an unsuspecting victim. How can we...
Oct11-08 11:49 AM
makethings
1 1,312
http://in.youtube.com/watch?v=ckkOt8JVFFk where can i get a tutorial to do that? I have tried a lot, but couldn't...
Oct11-08 03:04 AM
ank_gl
1 2,449
Hi everyone Can anybody give me the meaning of 1)Total surface heat flux 2)Surface heat transfer coeficient...
Oct9-08 12:12 PM
pawan
1 1,462
I am trying to debug a SUPG FEM code for flow problems (based on Brooks Hughes 1982) and have a question about the...
Oct8-08 10:42 PM
Geaux
2 3,035
I would like to know whether a gearbox (reducer) designed for an electric motor is suitable for the same powered...
Oct8-08 05:21 PM
Imagineering
7 5,912
helo guys,i'm new here hope to gain knowledge from this forum.i currently doing a project about design of turbofan...
Oct8-08 12:31 PM
everybody
2 5,326
Hi, I have a shaft OD of .31" and the material is ledloy (steel 12L14). The torsion spring at one end of the shaft...
Oct7-08 11:23 PM
uptick
0 919
Alright: i've been getting interested into airplanes and the likes quite alot recently, and one thing that i find...
Oct7-08 08:15 PM
asly2186
0 2,980
say you have a circular base plate with a connection in the center which can pivot but have a center of mass that is...
Oct7-08 04:16 PM
jamesabc
0 5,257
Hello all; I am looking for material properties for some viscoelastic materials, specifically ones that I need to...
Oct7-08 01:51 PM
minger
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I have a circular stage (made of stainless steel) that rotates continuously. How can i cool it by conduction? I...
Oct7-08 01:35 PM
Danger
14 1,262
Hi everyone My question is What is the meaning of one dimentional problem(flow)? Can one dimentional...
Oct7-08 07:28 AM
minger
1 2,671
hi there....to all the enthusiastic people of thermodynamics/thermal engineering. I am working on a project to recover...
Oct6-08 01:35 PM
FredGarvin
5 4,046
Hi, it's me again. I've attached the diagram of the system which its minor loss is needed to be determined. Cross...
Oct6-08 04:41 AM
nebousuke
0 1,488
Hi: Recentlly we tested a composite panel for uniform pressure load and tablulated the deflection at few location...
Oct5-08 05:37 AM
PerennialII
1 933
http://www.sciencedaily.com/releases/2008/09/080915164550.htm ScienceDaily (Sep. 15, 2008) — In an advance toward...
Oct3-08 09:45 PM
glondor
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