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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
Dear all, I checked job numbers on indeed Canada, and when using Pro/ENGINEER and solidworks as search words, I got...
Aug4-14 01:56 PM
buell23
26 34,361
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 97,750
I am going through Shigley's Mechanical Design book and have a quick question on fasteners. Sometimes when calculating...
Aug19-14 04:19 AM
MrAnchovy
1 274
Greetings, lurked for a long time, but I need some help here so I joined up. Please have some patience with me if I...
Aug18-14 12:09 PM
supernaught
3 298
Hi, all. I have an idea I want to try out for a muffler design on a single-cylinder engine (174.5 cc liquid cooled...
Aug17-14 08:36 PM
AlephZero
7 417
Dear PF, This is my first post, so please pardon any faux pas. I've had some difficulty wrapping my head around...
Aug17-14 01:33 PM
jack action
10 554
Hi everyone I am trying to solve non linear heat conduction where thermal conductivity is function of temperature,...
Aug17-14 12:17 PM
annie.1991
2 371
i have a 20.5ft c3x5 steel channel with a point load at the exact center and i wanted to determine its maximum...
Aug16-14 06:11 PM
PhanthomJay
2 359
I have a sealed syringe with air at known pressure P1, temperature T1 and volume V1. at some time I increase the...
Aug16-14 08:11 AM
jack action
1 233
Hi, How to calculate the filling rate of 32mm dia pipe(15m length) arrange vertically from ground to second floor...
Aug15-14 10:27 AM
Travis_King
5 314
I am looking to be a design engineer and I was waning some recommendations on what books are good reference books for...
Aug14-14 08:19 PM
Chestermiller
1 259
I was really wondering if the number of blades in a propeller influenced the power it has, are too many blades bad...
Aug14-14 12:29 PM
Baluncore
7 367
Can some one help me figure lifting capacity for this spreader bar? Thanks
Aug14-14 03:45 AM
Baluncore
1 248
Hello Physics Forum. I'm looking to use the vapor pressure of a liquid to apply a constant pressure to a piston. The...
Aug13-14 05:16 PM
Baluncore
7 355
I am trying to size a needle valve to make sure that it can allow the required flow rate at the fully open position...
Aug13-14 10:55 AM
Kimusubi
5 306
Hey guys! I am currently creating some automated snips for trimming plants. I am using auto desk inventor to design...
Aug13-14 08:00 AM
urb-nurd
3 365
Take an 80 dollar pair of adjustable focus glasses, ...
Aug12-14 03:20 PM
petersteier
6 958
Hello, I am trying to figure out how to determine how much a simple steel plate will bend with "x" amount of weight...
Aug12-14 08:16 AM
jeff davis
4 348
Tonight I've had a deceptively simple question that I've found maddeningly difficult to get an answer to. What I'm...
Aug12-14 05:10 AM
Lok
13 334
I am looking for a tether system so I can make a connection to the seabed from the sea surface. Does a system like...
Aug12-14 04:45 AM
MrEnjay
7 381
I am doing my research thesis. I want to operate a steam turbine through biogas. I need to know how do I calculate the...
Aug11-14 09:49 AM
SteamKing
2 304
Hi, I made a metal cylinder that is the SAME size as my 400g propane cylinder (picture:...
Aug10-14 10:05 AM
256bits
2 314
Last night I tried answering a question I've had for a while- can you really do a proper FEA analysis using free (or...
Aug10-14 09:53 AM
tioker
18 14,941
Hi All, I'm playing around with an arduino, and have build a PID controller that controls the temperature of a...
Aug10-14 08:42 AM
mark1234
10 455
So I've been trying to understand a concept in gyroscopes and I hope the guys and girls here can help me with it. I...
Aug9-14 04:51 PM
Baluncore
4 353
Working on a project where we have been asked to utilize waste heat from a combustion process in order to increase the...
Aug8-14 08:09 PM
billhen
6 408
Hello All, Some background information: I'm a co-op engineering student and recently my supervisor asked me to do a...
Aug8-14 04:19 PM
AlephZero
3 268
Hello, I'm new to this forum, and I hope you can help me. I'm working on a project to build my own motorized...
Aug8-14 03:21 PM
Patricio1976
8 938
I have a non-rigid vessel holding a fluid with a tube for fluid flow out. It is initially at equilibrium pressure with...
Aug8-14 01:35 PM
jlefevre76
1 298
First time writing , hope all goes well. Looking to understand the properties of rare earth magnets, are you able to...
Aug8-14 02:08 AM
Lok
2 329
hello everyone is anybody here using comsol multiphysics? i'm trying to model a tube which the inlet is a fully...
Aug8-14 01:01 AM
alireza.b
2 1,630
What is the meaning of... 1. Governing differential equations obtained are consistent with the assumed displacement...
Aug7-14 10:05 PM
russ_watters
1 270
I am attempting to determine the allowable uniform load on a 8ft long C3x5 steel channel A36 steel. i got an answer...
Aug7-14 05:04 AM
blake92
2 265
When Stiochiometrically correct mixture(equivalence ratio=1) is burned in air fuel cycle some of the air is still left...
Aug7-14 01:56 AM
Chronos
2 242
Hi, I am trying to create an apparatus to measure the thermal conductivity of woody pellet based on peltier effect....
Aug6-14 11:47 PM
icecool8
2 244
What is the difference between crush and crash analysis. I understand that, crush analysis is much a static analysis...
Aug6-14 11:30 PM
Greg Bernhardt
1 269
Hi all, Currently I am undertaking a project and I am a little bit confused about the free air delivery (F.A.D.) of...
Aug6-14 01:15 PM
gerry7
2 335
I was looking up plastic injection molders for a project, and I noticed that while benchtop injection molders can be...
Aug6-14 12:00 AM
Bandit127
2 245
I am looking to get air to the tip of 1mm internal diameter (1.4mm OD) metal SS tube around 5 inches long that is...
Aug5-14 11:27 PM
AlephZero
3 231
Does anyone know any specific examples of real world application of Active Stabilization Tanks in a ship? I just need...
Aug5-14 11:15 PM
Greg Bernhardt
1 244
I try to import a sab. Modeltyp in Ansoft 15. but i receive an error that translation for the model is failed or saved...
Aug5-14 11:15 PM
Greg Bernhardt
1 243
Howdy all! In some project I do,I need to design belt transmission,now the tricky part is: On the output of the...
Aug5-14 02:24 PM
berdan
4 264

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