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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
61 95,135
Dear all, I checked job numbers on indeed Canada, and when using Pro/ENGINEER and solidworks as search words, I got...
Jul28-14 02:06 PM
stevemilw
25 32,188
I have attached the design task I have been given and I am unsure as to what to do next! I will explain that which I...
Dec14-11 09:51 AM
danz001
1 1,534
Hi, I'm currently a second year mechanical engineering student. As part of my course, there is an opportunity to...
Nov7-13 09:56 AM
timthereaper
8 981
hi everyone! I'm sorry if this seems like a really easy question, but... Suppose I have a device in which manually...
Jul9-11 11:32 AM
DickL
14 7,596
Would it be feasible to have a working prototype of a piece of armor so that when you move it mechanically moves with...
Jul13-10 02:10 AM
Mr. Blue Dot
179 39,907
If both bodies are in motion and come into contact, say a ring sliding on a block in motion as well. The speed of the...
Mar16-09 08:45 PM
Dr.D
13 1,310
Hello, I'm trying to calculate the bursting pressure of a pipe cap or the end capped pipe. I need to know how much...
Mar27-11 12:48 PM
edgepflow
2 2,821
I have been assigned a project where I have to locate and explain the general formulas, such as lift and drag, used in...
Nov30-04 06:21 PM
urbsurfer
1 3,277
Suggest some designs that can be a contest for 3rd year college students. The materials that will be used are recycled...
Jan19-11 10:04 PM
molitor
1 716
A guy at work gave me this drawing I have attached and asked me to find the pulley ratio. Do I need any other...
Jul19-10 07:26 AM
Q_Goest
4 1,604
I'm working on a really important physics assignment and i am in deperate need of help! I need to find some...
Mar22-10 06:17 AM
dr dodge
6 1,311
Hos is the force from a Otto engine (petrol engine) transfered from the engine to the wheels so that the car can move?...
Mar23-10 11:01 PM
darkside00
2 778
I am a big Sci-fi fan, i admit it , i love stargate , and it was only about 30 years ago that shows like Star trek had...
Nov15-04 01:41 AM
Darkwander
10 1,668
Or any specific requirments formulars that will help me on my way in building one please. Moderator's note: this...
Mar26-13 05:37 PM
berkeman
32 21,215
Could someone please help me with this?? I am working on a problem with 2 pipes, one 100mm and one 150mm in...
Dec8-12 10:56 AM
mfb
3 678
First let me say hello and give an introduction. I have limited academic experiecnce in Physics recieving a C-grade...
Feb16-07 05:28 PM
DarrenUK
6 2,317
Hello, I'm trying to design and fabricate a dc motorized turntable (24" diameter fairly light-weight pressed wood...
Mar22-10 09:33 PM
Darryl Gilley
0 1,666
Hey, I want to get in to robotics but I don't know where to start. Is there a book I should buy or some kits that i...
Jan22-09 08:02 AM
ank_gl
4 1,397
I want to get into robotics but need a starting point. I am wondering what particular robot kits i should buy first...
Aug10-09 03:48 PM
Topher925
5 1,113
Hello all I'm trying to design a Neural network based control system which will do the following i have 120 computer...
Oct4-12 11:34 AM
date.chinmay
0 1,808
I'm working on a project which deals with temperature control of a room. the idea is to control temperature within a...
Jun24-13 06:22 PM
date.chinmay
2 603
Hi Everyone, I am looking for the text book that the attached questions are in. No I am not looking for the...
Feb11-09 10:49 AM
ank_gl
2 628
Hello, I am a high school student and am trying to complete an assignment to interview someone in a career field I...
Apr16-12 11:50 AM
berkeman
1 1,588
What does that statement mean? I am going through "GD&T for Mechanical Design" by Cogorno (McGraw-Hill) and it...
Dec3-10 10:55 AM
dav2008
2 2,936
Hi, I am looking for 12V pmdc brush gearmotor either having rated torque of 3.3 N-m or a rated torque of 5N-m...
Sep20-08 04:26 AM
Wondermotor
7 2,395
In the tank building industry some pressure vessels use curved pieces of flat bar, welded to the tank, to protect...
Jul10-12 10:12 AM
dave319
2 724
Good morning guys!, i want to know if it's possible to add a knife to a motor chain so i will use it to cut on the...
Jun27-11 07:32 AM
dave4763
0 630
If I have an unlimited air supply with 800 PSI and fed through a 1' pipe how do I calculate the CFM
Nov2-10 09:09 AM
XIX
3 6,719
I just found out that my Uncle worked on the Avro Arrow! So cool!! He worked on the electronics of the missile...
Jun11-06 08:14 PM
FredGarvin
2 1,193
There was a thread around here a few weeks back about futuristic armour that could distribute the energy of an impact....
Aug23-06 07:54 AM
LURCH
7 6,819
I've been thinking about the wind turbine (horizontal turbine - like an airplane propellor.) that I pass on the way...
Mar12-07 11:30 AM
russ_watters
2 5,554
The wind turbine I pass everday seems to have its blades almost flat to the wind. So, I want to make sure I understand...
Jun11-07 03:22 PM
Langbein
13 2,840
I'm ready to begin proof of concept experiments on the Mk IV Tesseract, following on the limited success of the three...
Jan5-09 10:35 PM
DaveC426913
6 1,893
I want to play with gears - make my own and such. (They'd be custom, so it's not like I could put in an order for them...
Jan14-09 01:20 PM
DaveC426913
22 3,868
I am building a small device that operates underwater so I am powering it from this pond pump. It is 11W, (120V 60Hz,...
Jun17-09 10:41 PM
DaveC426913
13 2,114
Upon exiting Avatar I was discussing with my biologist sister some of the flubbs in the film - she biology, me...
Feb1-10 10:35 PM
Cyrus
16 2,503
I just had my outboard serviced end of last season. When I got it a year ago, it would tend to start up on first pull....
May30-10 09:04 AM
turbo
9 1,722
I have a tiny fan installed in the lid of my aquarium (it's actually a CPU fan). It moves air from the air space over...
Mar16-11 10:30 AM
AlephZero
7 2,512
I am building a device out of 1/4" brass tubing. I need to join lengths in such a way as to allow the tubes to flex up...
Jun26-12 10:47 PM
DaveC426913
16 3,042
I'm having trouble selecting a suitable motor to lift a single leaf 1000kg door. To cut down on power costs i plan to...
Jan16-10 10:27 AM
davemech
1 2,653
What would the best configuration to open and close a large metal door (wheels are on top) using a simple block and...
Jul19-05 07:42 PM
brewnog
11 3,865

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