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Mechanical Engineering

- Development of machines. Mechatronics, Robotics, Engines, Drafting
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Development of aircraft and space vehicles. Propulsion, Aircraft Structures, Crafts, Atmosphere
Y 10:05 PM Simon Bridge 
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Gear heads unite to discuss Vehicle Dynamics, Safety Engineering, Performance, NVH, Ergonomics, Durability...
Y 10:59 PM autodoctor911 
Meta Thread / Thread Starter Last Post Replies Views
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 95,267
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 32,294
Hey there, i am stuck on this question in my past exam paper, and i have tried many ways of doing it but just simply...
May11-07 06:34 AM
FredGarvin
3 3,145
Hello.... Reynold's Number is given by: http://upload.wikimedia.org/math/a/c/2/ac2c887be96d0bf8650dc466333d9727.png...
Jul31-09 09:48 AM
nanunath
14 4,051
Good Evening! I've been looking at this problem for a bit and I am a little stumped on it. I asked two graduate...
Dec1-08 09:15 PM
FredGarvin
3 2,239
Hi, I am in a Heat Transfer class at school and my professor has set an interesting challenge before me. It is not...
Oct28-10 08:21 PM
boneh3ad
4 7,600
Just to the point How to calculate Re number? in example for calculating Re number at diffrent points in a boat. ...
May29-06 08:41 AM
ArielGenesis
22 7,906
I am trying to work out a reynolds number for an impinging jet using air. If I have: μ=1.8*10-5 kg/ms ρ=1.2 kg/m3...
Oct12-13 08:01 AM
Shaun_W
2 782
Does anyone here know how to calculate the reynolds number for a pulsating swirl flow? I've been trying to find the...
Oct17-09 10:49 PM
Cyrus
1 972
Reynolds number prominence to slip/stick the gases on the walls Dears A major question has arisen during the...
Jan9-08 03:06 PM
Goodman
0 4,232
I'm trying to calculate the reynolds number for flow inside an air duct with an obstruction. Basically the set up...
Aug12-12 09:54 PM
boneh3ad
1 747
I am an undergrad physics major taking an engineering course that just introduced the concept of reynolds numbers. ...
Nov16-12 10:02 AM
boneh3ad
8 4,414
The Reynolds Transport theorem (RTT) is usually applied to derive the conservation of mass, momentum and energy in a...
Aug14-07 12:27 PM
Cyrus
5 7,592
Hi, I need to know how one can check space and time convergence using Richardson Extrapolation. Does anyone know...
Dec29-10 05:12 PM
mina1363
5 2,973
How to calculate ride frequency for a vehicle by using Ride rate and Sprung Mass? What are the parameters for right...
Oct5-09 05:32 AM
Ranger Mike
3 5,585
I am lifting a rectangular structure, all lift points on the same elevation. However, the 4 lift points are not evenly...
Nov14-10 03:21 PM
AlephZero
1 8,540
Was reading a book on rigging and it had this note that intrigued me: Ensure that the sling angle is always greater...
Oct13-13 02:16 PM
MrAnchovy
1 785
hi, i'm doing a project on development of ceramic nozzle. can somebody help me by giving some information regarding...
Oct1-11 01:25 PM
fahmi.afk
6 3,394
Hi all, new user here and straight in with a question to help me understand something. Not sure if I'm in the right...
May13-13 02:01 PM
sa1988
2 786
Folks, I am wondering how the ring gear reaction torque equation is derived for planetary system with the sun as...
Oct24-11 11:58 AM
bugatti79
0 1,138
I have a room with no cooling. Room info : w = 5m l = 4m h= 2.5m Heat dissipation from equipment in room= 65kw ...
Feb26-14 05:45 PM
cjl
1 273
Hi all, i hope that i am in the right forum. As you see in my topic i have a problem with Roark's formula...
Dec3-07 04:45 PM
Q_Goest
2 19,152
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
1 471
I am making a robot that entails a moveable base and a basic moving arm. I have made a force diagram using a 50kg,...
Apr9-12 10:30 PM
beatlemaniacj
2 976
Hello all! I have a question regarding how to get the linear and angular speed for this robot for example (RRP). ...
Nov26-11 05:21 AM
I like Serena
1 1,091
I am building a robot with a total mass of 835g, using two servo motors conected to the tires made of rubber which...
Feb13-12 01:29 PM
FeX32
10 3,405
http://news.bbc.co.uk/2/hi/technology/3591031.stm
Apr2-04 10:23 PM
Ivan Seeking
0 1,239
Hi, I'm working on designing a robot, but am worried about its descent down the ramp. How can I calculate if there...
Jan11-12 10:42 AM
Samsungg23
0 615
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
So, For FIRST FRC robotics, We have made 3 different objectives to research, and I decides to start with the...
Jan8-12 10:05 AM
physicsofme
1 1,453
Hi, I'm an electric engineering student and i'm want to initiate a project to control a robotic arm. But i must first...
May30-12 12:55 AM
huntoon
2 1,495
βHi, i'm working in a project with an arduino mega 2560 controling a robotic arm with 2 DOF moved by servo motors. ...
Nov26-12 08:04 AM
ffp
0 531
Hello, I'm a complete noob on the robotics. I got an idea, to build a really cheap robotic arm (~$60). I thought...
Jul5-13 02:19 AM
ttouch
2 907
I'm trying to make an elbow joint for a robotic arm that is actuated with a stepper motor and two gears. Here's a...
Apr3-12 11:24 PM
murrdpirate0
4 1,838
Can anyone please tell me what it takes to become a robotic engineer. Any suggestion is appreciated.
Dec1-03 07:39 PM
MaxMoon
2 2,945
I have been Thinking about building a robotic lawn mower. Right now, I am thinking of powering it with a 3000 watt...
Dec2-09 12:31 PM
dr dodge
13 2,323
Hello, Some classmates and I are building a remote controlled robotic lawnmower for a design project. One of my...
Nov22-09 08:13 PM
bluelava0207
1 1,090
Hi, So next year I am planning on creating a robot that will analyse ground surface. I have a general idea of what...
Apr11-10 05:19 PM
Jones1987
0 645
I am just reading an introductory text on Industrial Robotics. It talks about 3 Major Axes and 3 Minor Axes and Yaw,...
Apr29-12 04:02 AM
phiby
2 1,128
Can anyone help me to see whether this is correct ? http://www.flickr.com/photos/26643294@N05/6485374601/ ...
Dec10-11 12:28 AM
ohaiyo88
0 675
I've searched through some of the already posted threads, searching for anything on microcontrollers. My search has...
Oct18-06 09:38 AM
Mech_Engineer
2 1,544
Hey all I'm working with a simple 'robot' that consists of a sensor (rotary encoder) and a DC motor. Both are...
Oct30-09 05:59 PM
dlgoff
1 966

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