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Development of aircraft and space vehicles. Propulsion, Aircraft Structures, Crafts, Atmosphere
Y 06:32 PM collinsmark 
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Gear heads unite to discuss Vehicle Dynamics, Safety Engineering, Performance, NVH, Ergonomics, Durability...
Jul23-14 04:10 PM 1pkm 
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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...
T 02:38 AM
nytrojen
24 31,561
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 93,957
Where I work, we use a single acting hydraulic cylinder to raise a tank filled with sludge. After emptying it, it has...
Aug4-13 10:07 AM
Baluncore
1 679
Hi all, I am working on a problem that I can't even seem to figure out where to start. I have a horizontal beam of...
Aug3-13 11:23 AM
E_Q
2 835
Warning: Rant ahead I get more and more drawings from vendors where all lines seem to be of the same thickness....
Aug3-13 03:39 AM
rollingstein
4 784
Hi All, I'm designing an exhaust system in brewery. Does anyone know the recommended air changes (ventilation rate)?...
Aug2-13 03:10 AM
256bits
9 1,169
Hey everyone, As part of my PhD project I'm trying to design a small bioreactor in which I will be growing animal...
Aug1-13 03:29 PM
mfb
5 827
On what factors does the pressure in condenser of a rankine cycle depend? The lesser the pressure in the condenser,...
Aug1-13 04:06 AM
SteamKing
3 690
I found this mechanism(see image) in a very old book in the library.I was wondering if there is any mathematical...
Jul31-13 10:20 PM
wirenut
13 1,037
Tell me the things about engineering that keep you excited everyday and things that you dislike about your career. ...
Jul31-13 02:13 PM
jehake12
2 781
Hi there everybody I have a nice little problem which might not be so complicated after all. I need to push a...
Jul29-13 08:57 AM
srosendal
3 1,003
I was researching movement models for bidpedal locomotion and when I stumbled across this amazing video of passive...
Jul29-13 03:09 AM
tedjan
4 898
Hello all. I have a project to make the injector tester for CRI engine. Any ideas how to measure volume / injection ?...
Jul28-13 06:19 PM
Aero51
4 741
What is torque in electric motors? And why is it largest when a single armature is horizontal to the field?
Jul28-13 06:05 AM
siddharth23
1 568
Hi, I read in a text book that area Moment of Inertia (M.I.) of any shape would be Ʃ of (y2 χ A)1,2...n where, A...
Jul28-13 02:12 AM
vlaxk
5 1,065
I have a 6500 litre or 6.5 m^3 tank. A vacuum pump (40000 litres per minute) creates a 90 % vacuum inside the tank....
Jul28-13 01:51 AM
Simon Bridge
12 932
Hi friends, I have two different questions. 1. I search information about development new automation systems, not...
Jul27-13 07:29 AM
Baluncore
1 520
I've have two questions, but if my assumption is incorrect for the first, it will also be incorrect for the second....
Jul26-13 11:25 PM
psyclone
0 434
Hi all, I'm looking for design of steam platens for Rubber curing presses.The steam platens heat the green rubber...
Jul26-13 12:55 PM
Bandit127
5 772
hello guys i am student of mechanical engineering final year.i workout how to find tensile and compressive force of...
Jul26-13 12:27 PM
jehan60188
5 756
Hi, I am just about to go into my 3rd year of my Mechanical Engineering Degree and have decided to do a project...
Jul26-13 07:44 AM
boneh3ad
2 876
Hi, a pendulum drives a flywheel using a over run clutch so the flywheel will only spin in one direction. The length...
Jul25-13 04:55 PM
Simon Bridge
21 1,239
If I want the output of a hydraulic motor to be of a specific RPM, then knowing the pressure of the oil in the...
Jul25-13 01:23 PM
siddharth23
2 789
I read that if a bar is pivoted at one end and is rotating in a horizontal plane, the tension at a specific point...
Jul25-13 01:18 PM
siddharth23
2 707
Hey guys! Are there any softwares , commercially available, that can be used to do velocity triangle calculations of...
Jul24-13 09:11 AM
Ritz_physics
0 418
Any ideas on how one can make a small gap (~10-50nm) between two parallel plates and maintain a known distance between...
Jul24-13 08:02 AM
etudiant
5 561
The formulas for buckling under axial force only involve the applied force or pressure, such as with Euler buckling....
Jul23-13 12:36 PM
The Jericho
6 1,226
I am planning to install a Solar system of 6KW of electricity output enough for a water pump (submersible) and a small...
Jul23-13 02:32 AM
jackscrew
10 1,486
Dear all, Please tell me the steps are used to find Modal loss factor of composite constrained layer damped beam by...
Jul21-13 12:20 PM
hujarepp
1 581
Hi : according to :https://en.wikipedia.org/wiki/Gear#Helical the stable configuration is when the cave in one...
Jul21-13 11:42 AM
hihiip201
1 621
Hi all,I just started to learn mechanics so please forgive me if i ask something elementary.I have an example from...
Jul20-13 11:37 PM
caldweab
4 628
Hi guys, I just wanted a quick sense check. I have uploaded two images; one showing basic free body diagram, one...
Jul20-13 02:42 PM
Mech King
2 559
I need your help. I have a pivot point. On one side there is 95 pounds of resistance at 90 degrees to the lever. The...
Jul19-13 10:46 PM
Simon Bridge
1 469
This is outside of my area of expertise, which is why I making this post. I'd like to replace a couple of spur...
Jul19-13 09:14 PM
gmax137
8 3,884
At my company no one really uses it but I know ANSYS is pushing its development. I am young in my career and I am...
Jul17-13 08:27 AM
Mech_Engineer
1 652
I really wonder if there was because I watch on youtube videos about free-energy generators/dynamos. If there was why...
Jul17-13 05:43 AM
russ_watters
1 542
Most brake calipers sit on the edge of a wheel and connect to each other in some sort of "U" like shape, hugging the...
Jul17-13 12:30 AM
smurfsahoy
0 455
Hi what is the importance of element normals in a FE mesh ? How does it matter if it is outward or inward in a FE...
Jul16-13 12:39 PM
shivadevrao
3 715
I am looking to find the reaction forces on the bottom of the rectangular shape I have included (sorry for the crude...
Jul16-13 08:50 AM
nvn
9 1,110
Has anyone ever built an internal combustion engine which runs on solid fuel? A system would have to use waste heat or...
Jul14-13 05:27 AM
Jobrag
1 609
Hi! An attempted explanation for the tragedy of Lac-Megantic is that the only running locomotive was shut down by...
Jul13-13 05:38 AM
Aero_UoP
12 982
I am referring to the gear-like circular faces that interlock when forced together and allow rotation when unlocked on...
Jul11-13 09:14 PM
Simon Bridge
3 669

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