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Mechanical Engineering

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Development of aircraft and space vehicles. Propulsion, Aircraft Structures, Crafts, Atmosphere
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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
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
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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
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I am working on a project where I need a high temperature sealing element. You can see the system in the attachment. ...
Dec8-10 02:52 PM
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Does anybody know of a RTV style sealant that can handle constant temperatures in the range of 1000oF? Oh, and it...
Jun18-10 10:13 PM
Turbodog
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I've recently become very interested in designing efficient motors and alternators for use in a gas turbine hybrid...
Dec3-07 11:07 AM
kach22i
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Hello, I am using stepper motors for some neuroscience experiments on rats. The problem is that our experiments...
Mar15-11 11:46 AM
aalnaif
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Does any one know how to find out the two higher natural frequencies of a 3DOF spring-mass system assuming it as 2DOF?...
Dec30-11 04:19 AM
ToxicHoney
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Hi all! In a pipe flow, when the flow rate of water is increasing, reaching a critical flow rate, the flow will...
Apr30-05 10:31 PM
Astronuc
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:confused: I am a highschooler who built a hovercraft that works pretty well. My question is how do I create a...
Dec12-05 09:25 AM
Danger
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Hi I've started a mechanics module and just wanted to know, what is the difference between Young's Modulus ('e')...
Jan22-09 07:12 AM
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i am trying to solve design problem but not able to solve it hope someone can do I have a circular platform that is...
Jun21-10 08:40 AM
ammar2000
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I just bought "History of Strenght of Materials" by Timoshenko = = GOD. Anyone else read it? As an ME, I want to ...
Jan23-06 03:41 PM
brewnog
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Hay looking for any specimen papers or past papers on this (unit code DV1134) just to help with revision thanks for...
May13-09 12:56 PM
GOGO!!
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Is there CAD software that I could use for free to design and get a prototype built for < $100 at a company that might...
Mar26-08 08:14 PM
TheAnalogKid83
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hello all, could u pls tell me what a hollow shaft is?
Jul7-11 12:23 PM
Ranger Mike
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I want to figure out critical speed of hollow shaft. When I calculate from equation, critical speed of this shaft is...
Jan14-12 04:49 PM
GT1
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I have some calculations I would like to make, though I am having trouble finding information. I have a circular...
May23-07 07:39 PM
Surrealist
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Hi there, can someone pls tell me how the internal diameter of a hollow shaft affects the maximum torque that can be...
May24-07 06:31 AM
FredGarvin
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hello all, i am trying to solve for outside diameter on a hollow shaft where the inside diameter is 1.25" the hollow...
Apr19-11 02:43 PM
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Anyone have any good resources/how-tos on building miniature (or not so mini) stirling engines? They seem pretty...
Jun17-13 11:41 AM
256bits
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I'm in the process of replacing 1970's double hung wood windows with modern high efficiency vinyl windows...this is...
Mar23-10 08:54 AM
Naty1
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hi this is my first post on here so please be gentle. my names chris and im an aerospace engineering student and i...
May1-11 07:58 AM
c.smith10
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I have been planing a home based solar power system for a little while now, and although I know I can get nearly...
Jul15-08 05:32 PM
chayced
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Hello, First of all, i would like to introduce myself to Physics Forums. I am a Mechatronics Engineering Graduate....
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So I'm looking and researching to build a small liquid-fueled rocket engine. So far I think my choice for fuel is...
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Hello, My name is Ezequiel, and I'm a student of first year of Electronic Engineering in Argentina. A long time...
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I'm working on a home/shop use vacuum pick up system. I need to suck up some spherical objects about 3" in diameter...
Aug13-12 10:54 PM
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hi, ive started drawing up plans for a small axail turbojet and i was wondering(for financial reasons) what the...
Apr22-10 12:55 AM
ronnierong
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i am trying to design and build a homemade cylinder-type puzzle lock. im willing to accept any comments, both negative...
Jan17-11 02:36 AM
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hey all, as you may or may not know, im playing around with some different engine designs for a project, and I am...
Apr24-06 09:32 AM
Cliff_J
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Hi guys. I'm interested in building a dyno to test modifications to small engines (lawnmower engines). I've found...
Nov26-09 04:49 AM
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Hi guys. I'm building a dynomometer for a 1hp engine. I plan to use something like an alternator or a dc generator...
Nov14-11 11:06 AM
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Hey everyone just curious to how i would go finding the appropriate power needed to move a 20-25kg device around. I...
Jun24-13 04:53 AM
mfb
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I want to make an elevator lift from an electric motor. The motor has a 42 mm shaft that turns at 1800 rpm. I want to...
Oct25-13 10:37 AM
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What are the basics of building/desgnin a hovercraft?
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Hello, recently saw video demonstrating newly developed armor based on non Newtonian liquid. Such armor is being still...
Dec1-13 12:38 PM
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Ok I am sure the title caught your attention, but it is not for me, it is for my cat, just kidding. It will actually...
Feb20-06 01:45 AM
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Hi guys. Hooke's Law is stated as: Stress is proportional to strain within elastic limit (or load proportional to...
Mar8-11 01:20 PM
electromax
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So I'll be going to school soon to double in mechanical and electrical engineering. My question is this: I would...
Sep6-10 07:41 PM
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Ok, so I'm building a pneumatic gun with a barrel 0.3m long, operated using air pressure. The barrel is square, 1cm on...
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I'm making an automatic fish feeder. It uses a very low torque, low RPM, low energy motor to turn a paddle wheel. The...
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Hello you clever people, I'm having a bit of a logical problem with the deflection of a simple uniform cantilever...
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