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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
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 34,234
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 97,607
i 'd like to ask abt the difference between precombustion chamber and compression chamber which used in diesel...
Jun23-09 03:54 PM
brewnog
1 2,862
I have a simplified model (see attached picture) which is part of a bigger model but for now the problem is as...
Jun23-09 03:06 PM
Nick Bruno
5 2,342
Hello guys, I'm a second year BSc aerospace student in Holland, and I'm thinking about making a gas turbine engine....
Jun23-09 03:00 AM
kylemontanaro
27 16,394
Hello, I am doing a problem for work where I use a deflected beam as a model. Basically, I am using a beam with two...
Jun22-09 04:30 PM
nvn
6 2,451
In case anyone is interested in some long range plans in space exploration and colonization, fyi - ...
Jun22-09 09:37 AM
Mech_Engineer
7 2,589
I'm trying to build a telegraph key and sounder. The sounder that I have designed (well, saw online) is a metal nail...
Jun21-09 06:00 PM
Cspeed
5 1,314
Hey, i'm only young 13.. i want to be a mechanical engineer when i'm older.. when i'm in year 11 what subjects should...
Jun21-09 07:58 AM
xxChrisxx
4 684
Hello... new to forum.... I am looking into design of a forced air turbine that will drive a generator and...
Jun18-09 08:36 PM
Integral
4 11,901
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 2,149
Does anyone have any idea what the heat flux of a barbeque grill might be? I'm estimating the temp. of the meat at...
Jun17-09 01:54 PM
bucher
1 926
I am doing a tool wear study using tools fabricated from h13. I'm considering using them without heat treatment in...
Jun17-09 10:27 AM
engineer23
2 824
Hi, I have an 6 DOF hobby arm robot (wrist=3DOF). I want to program it with quaternions. Because this has more...
Jun17-09 06:39 AM
Nowis
0 1,823
Hi everyone, new poster here. :) Came across this forum the other day and found quite a few nice topics that were...
Jun17-09 04:45 AM
Ranger Mike
10 11,541
why the actual pressure head is lesser than ideal pressure head ?got any disagreement?
Jun17-09 03:12 AM
chn_goh
0 1,711
Hey, Here's something that confuses me with the Hagen–Poiseuille equation and the Bernoulli's equation. From the...
Jun16-09 11:29 PM
tiredryan
9 8,639
I am trying to calculate the length of a pipe needed for an air cooling system I have found the following formulas:...
Jun16-09 10:50 PM
bucher
1 6,048
I have intermittent rotary motion that I want to send to a continually running flywheel. The flywheel in mounted to...
Jun16-09 09:23 PM
Bob S
5 2,815
For one of my classes, I have to design a gearbox. i am currently going through some calculations, but before I get...
Jun16-09 08:59 AM
FredGarvin
13 3,425
hi, i am just new here... hope anybody could help me here.... i am making a pond just like my username says..... ...
Jun16-09 08:05 AM
minger
7 1,077
Hey Guys i am Axee, new here and currently doing mechanical Engineering so I am looking for Some Great Videos Related...
Jun16-09 01:02 AM
ank_gl
1 684
Can anyone please help me with a question re the minimum size square steel pipe needed to bear a load. I loved...
Jun15-09 08:00 PM
hemeoncdoc
4 9,774
This should be a fairly easy problem, although my Heat Transfer is quite rusty. I'm trying to get a ballpark estimate...
Jun15-09 02:32 PM
minger
3 898
I am trying to figure out how to design a stair-climbing device similar to a hand-cart that climbs stairs. I know...
Jun15-09 09:29 AM
Mech_Engineer
3 2,907
Hello fellow members. I have a question and was wondering if someone could help me out. How could one figure out how...
Jun15-09 09:19 AM
Dr.D
4 7,247
im trying to find the answer to this question.. "in addition to reducing friction, what other advantage does a...
Jun15-09 06:24 AM
Ranger Mike
7 2,260
I am deisigning a pin jointed machine that uses some standard channel section. I am having difficulty getting...
Jun14-09 04:05 PM
Mech King
4 986
Hi, I am currently studying aerospace engineering and recently have been doing some research on the airbus fly by wire...
Jun13-09 08:14 PM
JaredJames
17 16,208
Can someone direct me to the best way to accomplish uni-direction braking of a rotating disc. I want very little...
Jun12-09 04:25 PM
zydubion1
11 1,966
I am trying to find the flow through a pipe between a pump and an outlet I know -gauge pressure just after the...
Jun12-09 02:42 PM
Q_Goest
15 11,948
Hi everyone. I wonder how to obtain , let say a 20T gear connect to a 40T gear compare to a 40T connect to 60T...
Jun12-09 10:48 AM
minger
8 5,647
I have to calculate max allowable shear stress for the C-hook i have attached the drawing. The material is structural...
Jun12-09 12:25 AM
zombie_newbie
4 868
I have a transformer in a box that is cooled using natural convection. There are louvered openings on the box to pull...
Jun10-09 03:38 PM
minger
5 1,836
I don't quite understand how the modified goodman equation can be applied to a multiaxial stress state. The...
Jun10-09 10:40 AM
Whitebread
3 8,818
I have attached a pic of the body i need to calculate the shear stress. The mass of the body 2 is 100Kg. the cross...
Jun9-09 08:53 PM
zombie_newbie
0 6,632
Hi.. I'm trying to do the damped vibration analysis of a cantilevered beam. Although i am choosing no damping in...
Jun9-09 05:10 AM
incensus
2 5,174
Hi guys, I have a question in using comsol software, particularly on heat transfer. Its a 2D geometry. A...
Jun8-09 02:30 PM
fsachs1941
8 12,802
I have recently modeled a iron particle in fluid using Comsol multiphysics 35a and added a magnet to the model in...
Jun8-09 01:43 PM
Nick Bruno
0 3,995
Hi every one, I am going to find the maximum allowable torque of a 4340 shaft, 30Dia. However I think that the...
Jun7-09 08:12 PM
FredGarvin
5 45,759
Hi guys... Just want to hear your views on the following case,I havent reached any conclusion as of now... I think...
Jun7-09 10:32 AM
lividz
0 3,118
As I live not far from Altamont Pass and often hike the wind energy area, I see the damage windmill blades do to birds...
Jun5-09 08:40 PM
Redbelly98
13 1,793

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