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Mechanical Engineering

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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...
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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 98,611
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 35,216
concerning a rotor with an imbalance, how does the angular velocity of the rotor affect calculations about the size...
Apr7-09 11:18 AM
kandelabr
2 1,771
I'm currently part of the propulsions team for a hybrid rocket project here on campus, working on the liquid fuel...
Jan23-06 10:58 AM
franznietzsche
5 4,119
I think this is in the right section, sorry if it's not. First off, I'll apologize again for not knowing any...
Jan23-10 09:52 AM
bigaggie
4 2,733
I am currently very confused about how an altimeter works. I understand that stagnation pressure is the pressure of...
Nov27-07 09:23 AM
Graviman
6 13,022
Hi, I just signed up with the forum. I have a degree in Mechanical Design, have been working as a drafter. It's...
Apr8-12 10:16 PM
grandnat_6
103 12,877
I'm using the Wagner Equation for Vapour Pressure at work.This equation is : lnp=((-7.7069(1-T)) +...
Jun29-08 10:57 PM
DuncanM
3 4,878
Hi, I'm trying to select a thesis based on firearms and am thinking of doing an acoustics based topic, namely,...
Feb25-11 01:12 AM
gman89
2 937
Ok, my physics teacher has a assigned a 10 page paper to be completed by the end of the year. this is my senior year...
Mar1-08 01:11 AM
jaap de vries
16 7,986
I am trying to create a wind sculpture and I could use some help. The sculpture will have 3 points of rotation all...
Oct8-09 08:44 PM
CFDFEAGURU
6 2,060
For 10kN vertical load,I just need some instructions to follow and if someone can provide schemes and more details...
May19-09 03:33 PM
_Miami_
8 7,929
Hello, this question is about lift in fixed wing flight (airplanes). Is it possible to calculate separately the...
Jun30-08 07:21 PM
russ_watters
2 4,567
Ok, so here's a weird problem. I am trying to make a 1/4 npt fitting with two pieces of brass pipe. The tap says: ...
Sep27-10 05:40 PM
axemaster
2 832
i was wondering y there still got some dc motors,coz ac motors more powerful....can anyone tell me y?
Feb5-06 01:49 PM
Cliff_J
3 15,212
hi guys... i need ur help... i have to design a device that can sense a force in triaxial axis which are x,y,z. the...
Oct10-11 07:59 AM
Rafa
1 970
I read the related standards about the PTFE gasket. But there is no stress relaxation test for the PTFE gasket, could...
Nov11-09 11:57 PM
jack2100
1 1,379
hi. i have a countax ride on mower. i accidently got off it without turning the engine off, so it cuts out...
Jun8-05 09:41 AM
Snowy
0 1,478
hi, all, the attachment is the calculation inp file for the stress of pipe. but now i can not get the correct...
Feb24-11 08:05 PM
beitownren
1 1,681
Sorry i'm not sure where to post this as there is no explicit fluid dynamics forum - i just did a search and noticed...
Apr14-10 11:56 AM
minger
1 1,876
Hi, i would like to the correct method for self locking nut run-on torque check procedure. are we going to measure the...
Aug4-11 10:46 PM
elsapo1
9 19,529
I am not an engineer in the sense that I have been educated in or work in that field. Just wanted to get that out of...
Dec12-09 10:23 PM
Danger
8 2,761
im giving a problem where i have to find the angle a projectile situated at the top of a will hit an boat wit constant...
Sep23-06 06:42 PM
Astronuc
1 1,279
Can anyone guide me how to mesh solid and shell 3d hemisphere with hex dominant approach in ansys mechanical APDL? I...
Y 10:04 PM
Greg Bernhardt
1 152
i work at a company that outsources Hermetic Sealing. i was wondering if anyone knows of any vendors that would be...
Nov10-11 01:03 AM
Mike_In_Plano
1 996
You are called into the office of Wernher von Braun on a fine summer day in 1940. He tells you he has been working...
Nov27-04 08:45 PM
Janitor
10 5,060
For the equation: contact stress = {(1 / (pi for concave shapes in contact with convex shapes Sum (1/pi)...
Dec1-10 02:37 PM
vdash103
2 2,424
HI All: Using Hertz contact formula I calculated contact stress for cylinder in contact with cylinderical socket...
Sep25-07 07:23 AM
PerennialII
4 21,980
Hi all, I am designing a set of side guide rollers for a vertical gate. There are four rollers on the gate (two on...
Dec7-10 06:53 AM
lin99
4 7,510
Hello guys! Is there anyone who knows where i can find information about maximum allowed Hertzian contact...
Apr29-09 09:29 AM
Ian06
9 6,505
I have calculated a static contact stress of 670 N/mm2 using formula from Mechanical Engineering Design, Shigley, 5th...
Jan27-12 11:02 AM
Walker59
3 2,948
Can anyone say me the possibility of calculating hertzian stress of a hollow cylinder rested on a flat plate. Though...
Feb13-11 09:40 AM
bhaazee
0 1,011
on a smaller electric motor the motor output shaft is cylindrical with a hex head insert i am just directly...
Jan12-06 04:15 PM
FredGarvin
6 2,217
Hi all just a simple question about the hole of the Allen head screw becoming round/circular after repeated use of a...
Jun2-11 11:12 AM
DickL
2 1,511
Hi everyone! Can you explain me Why always hex mesh is preffered instead of tet mesh if hex mesh is possible in...
Sep24-08 09:15 AM
minger
6 7,773
Figured this forum was as good as any for making a formal introduction since I'm a mechanical engineer with some...
Sep17-03 11:22 AM
enigma
3 2,203
We are having the tires with internal dia of 12inches and disc of 190mm Can someone suggest me the caliper we can...
Jun25-14 01:24 AM
Lok
1 862
my uncle has been watching the videos on youtube with all of the people who supposedly gained gas mileage by...
Mar15-10 10:23 AM
Buckleymanor
10 1,899
Hi , i need books, sites.... about Mindlin's Theory for thin plate (Vibrations). Thanks pmcr
Jun15-12 09:18 PM
Bobbywhy
1 858
first timer here and non english spoken so I might get few mistakes but but... Question is about static equilibrium...
Oct5-09 10:09 PM
nvn
19 3,525
Hi all, Im having a bit of trouble understanding the concept of viscosity in the scenario of a fluid between two...
Nov19-12 10:24 PM
Chestermiller
1 875
I want to know efficiency of a tractor mounted equipment. my input is only this-- tractor is a diesel engine...
Sep20-09 10:05 AM
russ_watters
1 672

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