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Engineering Systems & Design

- How to design and manage complex engineering projects. Design Process, Concept Evaluation, Documentation, Sims
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Jan16-12 Greg Bernhardt
Hello all, I was wondering what kind of references design engineers like to have handy? So far, I have ...
Aug17-14 02:07 AM
Austine-J5
16 12,665
IN THE REC ITU-R P.1546-1 IS FOR PROPAGATION E PREDICTION AND IN THE CASE OF DIGITAL TV ...I THINK WE NEED THE CURVES...
May22-05 08:17 PM
julee
0 3,471
I have a couple of questions about 2 cycle engines: 1) Can someone further explain “time-area” to me in regard to...
May25-05 11:39 AM
Cliff_J
5 3,302
in all the failure theory we compare the stress in the structure to the yield stress in the uniaxial testing. How...
Jun2-05 12:50 PM
PerennialII
8 2,510
If a hollow disk of say radius R is heated which causes it to expand a bit and a solid disk of radius slightly greater...
Jun3-05 06:30 AM
FredGarvin
3 2,090
Could anyone be so kind and send me any materials about stability of Nessie Water Hydraulics solutions? I'm from...
Jun6-05 09:09 AM
Wnowo
0 1,827
What do these terms mean. I am doing static analysis using fea on some parts. But what do automotive people do in...
Jun13-05 07:03 AM
FredGarvin
2 3,747
I am currenctly doing a project on the mathematics behid human interaction in the currency market. I am looking for a...
Jun15-05 10:38 PM
GENIERE
1 1,278
I'm trying to put together something that can go ~50mph, weighs ~150-175lbs, and gets ~400-500mpg. After poking around...
Jun18-05 02:05 AM
lyeinyoureye
4 7,701
What is the good efficiency of a product? How do you understand the term "good effiency"?
Jun27-05 01:00 PM
Astronuc
6 3,290
This is a simple(?) problem but my ability to perform basic calculus disappeared long ago. I am working thru the...
Jun27-05 04:50 PM
NateTG
3 4,655
What is a gear and what does it do?
Jul1-05 06:35 AM
FredGarvin
13 2,434
I am wondering this because my car has very nice looking speakers when viewed in the light, however in the car they...
Jul4-05 02:17 AM
KingNothing
26 16,070
Hey guys i was wondering something... First of all, are those systems that 'spray' paint (instead of you having to...
Jul5-05 12:31 AM
Danger
10 5,145
Does anyone know of or know of the feasability of making like a cheap, gas or electric operated machine that you can...
Jul5-05 12:45 AM
Danger
6 1,906
Just curious to see what some of the people here think of this http://www.isracast.com/tech_news/310505_tech.htm ...
Jul5-05 08:46 PM
Moonbear
9 3,001
Hey guys i hve been wondering about something for the longest time. If you created 2 compartments and a TEC in the...
Jul7-05 04:36 AM
Pengwuino
4 4,815
What is the max current for a rapid sealed lead acid battery charger? Most recommend 0.1C up to 1C where C = Ah...
Jul10-05 02:57 PM
Gokul43201
1 2,850
This question is based on a design project for my intro to machine part design class. We are designing frame that is...
Jul13-05 07:28 PM
Will
0 5,273
How do I project a 3-D traingle at a square grid onto a scrunched-up paper like surface?
Jul15-05 08:09 AM
Kenneth Mann
2 1,523
Hello there, I have designed a machine which requires a double-acting hydraulic cylinder. I need someone to let me...
Jul18-05 06:22 AM
FredGarvin
13 3,270
Is it feasable that Airports that have scanners instead of Human 'observers', at airports for instance, could have the...
Jul19-05 03:24 PM
Antiphon
2 1,372
Recently i got an offer from a company which asked for finite element analysis and design of ultrasonic welded...
Jul26-05 04:22 AM
arulaa
1 3,495
How I can choose a chain's sprockets for my Mechanical System ... Please need Sprocket's Tables Depending On Shafts...
Aug1-05 12:57 AM
Chronos
2 4,202
who knows what about it? i need to write a program for my nokia cell-phone (6230) to send commands via bluetooth to a...
Aug6-05 05:16 AM
Danger
1 1,653
is there any programs out there where you can enter a layout of a room for a small robot? like the room dimensions,...
Aug6-05 05:25 AM
Danger
5 2,063
The cylinder block of traditional four-stroke engine can't move ,and it needs a complicated valve mechanism with large...
Aug14-05 09:24 PM
Kenneth Mann
25 9,712
I didn't want to derail another thread or insult the person who started it, so I'm starting this one. In the other...
Aug15-05 11:10 AM
FredGarvin
37 5,036
Has an otto cycle engine been developed which gives a non pulsed output?
Aug20-05 07:58 AM
Kenneth Mann
19 6,285
Is there any equation/formual about the steering system?anyone can help?thank you..
Aug22-05 10:40 AM
minger
2 1,741
I'm an undergrad. student trying to do research. Today was my first day working with grad students and one grad...
Aug24-05 06:54 AM
Q_Goest
6 26,508
Does anyone, by chance, happen to have some good, practical references in the design and preparation of piping systems...
Sep4-05 03:40 PM
Antiphon
4 6,731
I am building this project which involved to PVC pipe chambers to be semi-pressurized (I know PVC isn’t intended for...
Sep7-05 06:41 AM
FredGarvin
9 3,080
If subsonic flow is accelerated in a converging duct to mach 1 and then the duct is further converged, choked flow...
Sep8-05 07:02 AM
sid_galt
12 17,780
I came up with a thought on a catalyst reactor scheme, I want to hear some feed back. I submitted a diagram of the...
Sep20-05 02:15 PM
Intuitive
0 2,617
Like every year, this is the season for the Shell Eco-Marathon annual fuel-economy competition. Last week, the...
Sep20-05 06:37 PM
deckart
16 2,736
I'd like to know where I can find the most powerful laser systems in the world right now. Anyone who's into this?
Sep23-05 11:37 AM
Geoff St. Germaine
6 2,933
How fast can Hydrogen be pushed threw a 1/16" tube? we have a maximun pressure diffrence of about 50PSI from one side...
Sep25-05 09:31 PM
jaap de vries
3 2,697
I am planning to make a go-kart.could someone help me with the design paramaeters?I would like to have a complete idea...
Oct2-05 02:05 AM
amuron
2 2,869
Hey, i am an undergrad student studyn eng. i was given a materials assignment in which we have to pick an object...
Oct3-05 01:26 PM
Astronuc
2 1,724
I was wondering how I would go about creating a remote control, that works like a scanner but instead of receiving...
Oct4-05 04:04 PM
Danger
12 3,624

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