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Development of aircraft and space vehicles. Propulsion, Aircraft Structures, Crafts, Atmosphere
Apr19-14 10:20 AM satchurated 
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Gear heads unite to discuss Vehicle Dynamics, Safety Engineering, Performance, NVH, Ergonomics, Durability...
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Mechanical Engineering

- Development of machines. Mechatronics, Robotics, Engines, Drafting
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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
61 79,041
Dear all, I checked job numbers on indeed Canada, and when using Pro/ENGINEER and solidworks as search words, I got...
Dec17-13 11:25 AM
21 22,231
If use gtalk and are interested in Aerospace Engineering add in your contacts to...
Feb3-07 12:44 PM
0 2,652
Hi folks.... My aerospace propulsion professor taught me that, in the combustion chamber of a jet engine, during...
Jun13-07 06:45 AM
25 2,765
A large truck is to transport 30,000 Kg of orange pre-cooled to 4oC under average temperature of 27oC. The structure...
Apr11-11 09:24 AM
1 729
Hey everyone, I eventually would like to write a textbook. I've started some work, and have about 100 pages total....
Aug5-05 04:05 PM
1 2,214
Dear Friends ! I would really need Your help. I am currently simulating the temporal development of an interface...
Jan22-10 11:22 AM
3 6,040 When finding the force required to hold the dish in...
May28-07 12:34 AM
1 1,567
Hi all! I am solving for the height of a tank as a function of time. The tank has a constant inflow of a and is...
Feb21-06 01:09 AM
4 2,145
HI all. I wanted to make a toy car (except battery and motor completely mechanical) which should turn and move along...
Jul11-10 08:19 AM
6 2,699
A particular pet idea of mine is that of implementing a nationwide Maglev intercity transportation system. ...
Aug23-09 04:57 PM
Kenneth Mann
7 1,212
I would greatly appreciate any comments/criticisms the physics cognoscenti on this forum might be able to offer on...
Mar13-10 08:18 PM
0 765
Hi everyone this is a fantastic forum ,I have browsed through the threads and found it fantastic to such a...
Feb10-08 04:02 PM
4 1,655
Let's say that I have a stirling motor designed in such a way that the cold reservoir is always at standard...
Aug14-06 08:48 AM
1 1,239
A plastic ball is inflated enough to produce tangential stresses. Stress X = Stress Y = 2000Kpa The radial thickness...
Jan1-12 05:39 AM
2 846
The Fink truss is my model. In analyzing this structure, autodesk doesn't give me the desired result. Look at point F,...
Sep12-13 06:02 AM
2 597
Hi Folks; I am facing a problem with a real experimental pumping case. I am running a schedule 40, commercial...
Oct27-11 11:08 AM
11 1,253
In this post to sci.astro I suggested a method for air-breathing propulsion to orbit: From: Robert Clark Date:...
Jun28-06 11:34 AM
15 2,313
To reach orbit you have to have your vehicle have a horizontal, i.e., tangential, orbital velocity, of about 7,800 m/s...
Jun18-10 12:25 PM
1 1,692
Hello Dears! I've just registered here. It sounds nice! :smile: As I've seen in different solution manuals here in...
Nov28-10 08:42 PM
4 1,274
I am making a functional model friction crane. I am in the design and material gathering phase right now, but I have a...
Feb18-12 09:15 PM
9 2,229
Hi every body.. Say you trapped the drag tube before a fan, what would happen then? Will the Amber decrease? Will...
Jul3-09 05:51 PM
3 758
Hi all! I have a problem about the gears used in a winder as hown in the picture. You can see right in the front...
Sep5-05 03:38 PM
5 1,075
As i have read in several articles, it is obvious that short-stroke or oversquare engines can rev higher and produce...
Feb5-11 08:14 PM
jack action
35 14,059
when it is said that the recoil of a 120mm mortar is 40 tons, which one is meant to be the recoil: the reaction force...
Jun24-10 09:15 PM
11 1,542
Hi everybody, I'm having difficulties sizing a compressor for natural gas. First,my assumption is to take natural...
Nov25-10 09:41 AM
2 1,351
Hi all, I'm doing a experiment at home I'm trying to know how the flow rate on the water height that tossed from a...
Sep24-10 02:29 AM
3 1,042
Hi, I asked for help in such problem before but could get what satisfied me, so I'm here for your help again. I'm...
Sep9-12 05:50 PM
5 864
I have a few questions that have to do with a viscosity on the surface of an object, the boundary layer and the...
Jan13-08 07:50 PM
12 2,880
ok...i have a small question on aerodynamics for cars: in fluid mechanics, we studied the flow of air past an...
Aug28-09 06:19 PM
53 5,521
I was not sure where to put this since it is both enginering and math so feel free to move it but to the point I...
Apr12-09 06:46 AM
Ranger Mike
17 2,402
Attached is a question from my book, I know that the answer is 112KN but can't work out the method for getting there....
Nov22-09 07:59 PM
3 838
Hi there, I have a safety question. I want to produce high temperature, high pressure steam. On a 1/2 inch tube,...
Mar27-08 04:56 PM
3 1,070
So, here is some truly putrid reporting about a truly wonderfull story: ...
Jun30-08 01:21 PM
2 1,406
i have attached a .gif of a simple design i made for a stirling engine...i dunno if it would work or not, that is,...
Dec27-08 11:48 AM
4 9,149
It's not so simple to me being that I have no background in fluid dynamics, but it seems like it would be fairly...
Oct25-04 02:34 PM
6 2,347
I have this doubt on spur gears Is it necessary that the pitch circles of the two mating gears need to be...
May17-10 07:24 AM
4 1,156
Hello friends, I have a small query regarding a force being applied to a surface... I have a force of 0.1MN which...
Feb19-13 05:08 PM
5 483
Mar29-12 03:51 PM
2 918
Not necessarily a spring, I was looking forwards towards an arrangement so as to provide constant force regardless of...
Dec14-09 09:42 PM
5 1,318 (use save target as if speed limited) PhD...
Mar3-06 06:47 AM
1 2,313
Hi peeps........... Physics forums rock.......... k now. Before asking my doubt I need to ask small small doubts...
Oct4-07 01:41 AM
mr. wankel
11 2,170

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