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Development of aircraft and space vehicles. Propulsion, Aircraft Structures, Crafts, Atmosphere
Apr19-14 10:20 AM satchurated 
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Gear heads unite to discuss Vehicle Dynamics, Safety Engineering, Performance, NVH, Ergonomics, Durability...
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Mechanical Engineering

- Development of machines. Mechatronics, Robotics, Engines, Drafting
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Dear all, I checked job numbers on indeed Canada, and when using Pro/ENGINEER and solidworks as search words, I got...
Dec17-13 11:25 AM
21 22,176
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
61 78,971
hello i want to model and analyze a 2d river which passes a step, in fluent and gambit, but i don't have any idea how...
Mar16-09 07:03 AM
1 2,629
Hi there, i am making an elevator design driven by a microcontroller. i am an electronics student and hence i am...
Mar16-09 02:25 AM
3 5,447
i want to ask why heat transfer is considered ti be an irreversibility and why in carnot carnot cycle heat addititon...
Mar13-09 09:50 AM
8 2,064
I want to know how the designing of a rail( Basically a long metal strip with holes at regular intervals to mount...
Mar13-09 07:43 AM
0 1,003
Hi everyone! I need to design a beam for a monorail system, like in the pictures above. ...
Mar12-09 09:42 PM
12 12,788
I have designed a heat exchanger of the double pipe hairpin variety and with 6" and 8" concentric tubes. The overall...
Mar12-09 01:49 PM
0 2,173
hello i have recently started to work with Fluent, my problem is i read a "case file" into FLuent and then i...
Mar12-09 07:21 AM
0 8,363
well,in closed system ,for example piston-cylinder system i cant determine how pressure,temperature and volume change...
Mar12-09 01:55 AM
8 2,114
Hello everyone, I am a junior Mechanical engineering student with a midterm in my Vibrations I class on Thursday. ...
Mar11-09 08:25 PM
2 1,154
How much rake and trail do need to use in a design? My design is essencially a bicycle front end. The various...
Mar11-09 02:48 AM
10 2,350
I just bought this squirrel cage fan off ebay. My idea is to use it for a fume hood. According to seller it runs very...
Mar10-09 02:46 PM
12 3,406
Hello! I want to calculate the stress in a ring that is mounted on a solid shaft due to the difference in...
Mar10-09 09:16 AM
16 3,675
I am trying to come up with an automated method to exert a force of around 250N downwards onto a plate. The...
Mar9-09 07:16 PM
5 3,292
hi everyone, i have slidig gate that i need to install a drive motor. the gate weight is 1500 kg and has 5 v-grove...
Mar9-09 04:24 PM
5 3,399
HI, I am essentially trying to make a car jack style machine except to crush cans rather than to jack up cars. I do...
Mar9-09 11:02 AM
3 12,055
Does this add to surface hardness and lessen friction?
Mar8-09 04:31 PM
0 1,104
Hello, I hope some expert can help me: What do I want? I am modeling magnets in script Comsol in 3D. All I...
Mar7-09 06:44 AM
0 2,465
Hey guys, I'm currently doin a project on bicycle suspension response. My query is how is a cyclists weight...
Mar7-09 04:31 AM
2 4,514
Hi all, I was looking for a way to oscillate airflow at a particular frequency as fed from an electrical input. ...
Mar7-09 01:11 AM
2 2,881
Can anyone explain the above-i've read about in books, internet sites and still do not understand what its doing or...
Mar6-09 02:05 PM
4 962
I have a suspension arm that I am rebuilding, the main reason is to make it adjustable in length, and the other is to...
Mar6-09 10:17 AM
Ranger Mike
12 11,244
that uses a parachute type seal.
Mar6-09 07:34 AM
10 1,341
Hello, New poster, Re: Torque Converters (automotive drivetrain component.) 1) Can anyone briefly explain the theory...
Mar5-09 03:29 AM
Ranger Mike
2 1,700
Hello All- Below is a picture of a cargo crawler i've been thinking of. Gross weight would be 2000lbs, moves between...
Mar4-09 05:08 PM
3 998
Would like to replicate a project we did in school for Turbomachinery class, which was to build a functioning...
Mar4-09 04:49 PM
5 19,740
hi, i can't find any standard defining design of unfired pressure vessels made from carbon fiber, kevlar, fiberglass...
Mar4-09 04:47 PM
2 5,014
Hi, I'm currently trying to work out the forces involved in raising a traffic barrier. It works using hydrolics. ...
Mar4-09 12:25 PM
2 1,862
also, i am unsure about the units...are the above ones ok??? as in the website had these units third, it would...
Mar4-09 12:25 PM
3 1,430
Hi, Attached is a link to an image: Probably a...
Mar4-09 08:40 AM
9 1,600
Im trying to model the decelleration of a vehicle from its aerodynamic drag force alone (with and without a parachute...
Mar4-09 08:33 AM
0 1,828
Hey Just needed some help with analysis of vehicle loading in dynamic and static conditions. Basically what...
Mar4-09 08:02 AM
Ranger Mike
7 2,111
I am just now taking my first real engineering course, being statics and it is kicking my butt. I have done all right...
Mar3-09 06:10 PM
14 1,841
hey folks. i posted this earlier in the classical physics section, but i think i may have hit a wall over there. i'm...
Mar3-09 03:51 PM
8 2,283
Hey all, Our team is currently working on a project wich contains the pullback mechanism like the ones you find in...
Mar3-09 07:32 AM
7 2,667
Low amperage line transformers bottom out at about 50 mA for a 12 Volt secondary. Try to find one at 20 mA. Why?
Mar3-09 04:10 AM
1 1,071
I would appreciate it if some one could help me with this. I read from Timoshenko's book Theory of Elasticity that...
Mar3-09 03:01 AM
12 7,490
I have a problem whereby sludge of quantity 1000 kg/day is required to fill an anaerobic digester tank. The sludge...
Mar2-09 07:58 AM
0 1,856
Hi guys, I found this forum by chance. Was wondering if anyone could help out with my problem. I am very new to...
Mar2-09 03:17 AM
7 6,912
Hello, This is the first time I'm using COMSOL on a problem where I have multiple subdomains within the domain....
Mar1-09 04:40 PM
1 1,072
Im having trouble finding information on google about how car suspensions are manufactured and what type of metals are...
Mar1-09 07:16 AM
Ranger Mike
6 1,730

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