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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
Sep13-14 03:45 AM beamthegreat 
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Gear heads unite to discuss Vehicle Dynamics, Safety Engineering, Performance, NVH, Ergonomics, Durability...
Y 05:26 PM edward 
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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...
Aug4-14 01:56 PM
buell23
26 35,219
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 98,614
Hi guys, jus a general question here. For a mechanical system such as an old fashioned (80-90s?) camera, with none of...
Jul9-09 07:52 PM
zeeny
0 1,132
This is an important concept of thermodynamics,that i'm having some trouble understanding. My question is, when can...
Jul9-09 05:39 PM
djeitnstine
1 841
Hi i need to calculate nusselt number for stimulation of air flow in a pipe with 5mm diameter and the pressure is...
Jul9-09 10:37 AM
minger
14 4,589
Can sonic velocity be achieved in a short pipe with constant cross-section, assuming isentropic flow with no viscous...
Jul9-09 06:55 AM
FredGarvin
3 3,759
Hi gurus, I was hoping you guys can help me with a little something: I have just purchased a 12V DC motor with a...
Jul8-09 05:50 PM
pantaz
4 6,389
Lets say I will be operating a generator underwater in a "box" sitting on the river floor. Turbine blades will be...
Jul8-09 02:20 PM
Topher925
7 3,693
Hey Guys, I'm new to the site and was wondering if anyone had any input on a good thermal/HVAC load software for...
Jul7-09 03:19 PM
wpayne
2 1,101
I am going to measure the torque output of an diesel engine @ various RPM to understand the resistance of the gearbox...
Jul5-09 09:24 PM
FredGarvin
1 8,253
Does anyone have the equation for this. I tried one from my textbook, and the answer I get is less than the average...
Jul5-09 09:22 PM
nvn
1 9,397
Hey, I was wondering if someone could link me to a good source where I can read about electrical generator...
Jul5-09 01:06 PM
Bob S
6 17,481
Hi, I am a bit confused about somethings. I want to determine the mode shapes of a free-free beam. I assume...
Jul5-09 07:54 AM
BRRam
0 749
Hi, I would like to add a general tolerance table for injected plastic parts. The drawings are according to std...
Jul5-09 06:06 AM
Dalit
0 8,132
What is the diameter of a 11t, 12t, 13t, 14t cog in the rear of a bicycle
Jul4-09 01:19 PM
wilsonxb
0 1,079
Hello, I just wanted to know if mechanical engineering is the right field for me. Like how does it work, and...
Jul4-09 11:47 AM
pramodoswal
4 1,182
I have a .380 auto handgun which uses a #8-32 NC cap-head screw to retain the trigger guard. During firing, the...
Jul4-09 05:49 AM
Ranger Mike
21 4,400
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
negitron
3 816
Hey All, Is there a cooling system similar to your car's radiator coolant system that does require a fluid pump? ...
Jul3-09 01:49 PM
NAP2626
5 1,511
If anyone here has experience with hydraulic hand pumps(those 10000 psi models), could you tell me how hot the oil,...
Jul3-09 12:07 PM
Danger
5 1,467
I have a packed bed with an inlet pressure of 108psig and an outlet pressure of 88psig to give a total pressure drop...
Jul3-09 12:06 PM
SamJ10
2 4,472
Hi everyone, Can anyone explain how to use the PDE mode in COMSOL Multiphysics? I used the heat transfer package to...
Jul2-09 01:31 PM
mherna48
1 3,024
Hi, I was looking at the following diagram and have some questions: ...
Jul1-09 05:25 PM
chayced
32 6,440
Hi Guys I am new engineering and would appreciate any advice or ideas on this project. I need to measure the height...
Jul1-09 02:55 PM
Mech_Engineer
9 7,902
Hello all, I have some performance data on a particular radiator, and I want to model the system and see if I can't...
Jul1-09 11:32 AM
KLoux
9 6,680
please explain the thermosiphon system of cooling in radiators,i mean in what way are they advantegous over other...
Jul1-09 09:01 AM
monty37
0 707
Anyone knows of any alternative methods ot fabricate a Copper-Berrilium / or Copper-Nickel / alloy into a small...
Jul1-09 08:57 AM
Mech King
5 3,824
Hi Could anyone help me in calculating the force required to deflect a sheet metal part (see attached excel file...
Jul1-09 07:11 AM
pruthvi11
3 6,349
How to Calculate Burnout Height for Multistage Rocket ? How to calculate the burnout velocity for the first stage...
Jun30-09 05:06 PM
vincentryan
0 1,733
Hi all - I'm working on the analysis of a siphon assemble for a water tank. I've attached a crude picture of what...
Jun30-09 01:24 PM
stinlin
10 6,652
I wonder is what are the legal and application area difference between "Tier","EPA" and "California" Emission Standard...
Jun29-09 12:51 PM
brewnog
1 1,071
Im trying to do my final year project on gambit which is related to industrial air and vapour flow. Technically i have...
Jun29-09 11:50 AM
kvsiddarth
6 7,904
I have a question about pressure equalization. I have 2 receiver thermically insulated (adiabatic) and connected via a...
Jun26-09 11:11 PM
vapl153
0 1,176
Dear all, I have bit vague about calculation of inertia resistance in my geometry.i have rotational system of...
Jun26-09 12:05 PM
Bob S
2 743
I have a problem where the coefficient of thermal conductivity changes as temperature changes. Where/how do I input...
Jun26-09 08:34 AM
mherna48
4 3,124
I am trying to understand the behavior of bolt in different plane. My doubt is when shear force acts on bolts in...
Jun25-09 07:32 PM
sathishlmw
2 3,605
Hi all Im very new to all of this and require help and guidance with my project. The aim of my project is to...
Jun25-09 12:20 PM
longshot
2 682
Could a 10 HP diesel engine be made as fuel efficient as say a 100 HP diesel engine, that is (work done/fuel used)....
Jun25-09 11:40 AM
brewnog
2 2,748
Hi Everyone, I have a thousand data points that create a graph of Copper's Thermal Conductivity as it changes from...
Jun24-09 10:50 AM
mherna48
3 4,042
For my university final year project I'm going to be working with a spin out company who are developing a new type of...
Jun24-09 07:21 AM
bill nye scienceguy!
3 1,677
Hello MechEs (or anybody else who'd care to reply) I'm about to get a small, but fairly sensitive analytical scale...
Jun24-09 01:27 AM
MATLABdude
6 4,104
Hi, I am a second-year civil engineering major and am very interested in changing to mechanical eng. My issue is that...
Jun24-09 12:13 AM
Danger
5 2,337

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