I need a device to deliver a 4" stroke, but there is not enough space available for a 4" actuator. I am developing a design where i could use a 2" stroke actuator combined with a linka...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
Is needed a special equipment for cleaning 4 holes from a product filled with coke. Distance between them is always the same. Depth is 43 inches. Hardness of the product is 27 HRC. During the fabricat...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
hi
I'm a high school student doing a little research on the performance applications of oversquare and undersquare pistons in car engines...
btw, oversquare = pistons with bore:stroke ratio > 1
...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
I am currently dealing with a problem involving the heat transfer between two gases. Would it be possible to take JP-8 Fuel Exhaust (990C) and heat up water (starting at 140C, 9.8MPa) to produce 900 ...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
Coanda Crazy..........The "Coanda Effect"
http://www.linux-host.org/energy/scoanda.htm [http://www.linux-host.org/energy/scoanda.htm]>
http://www.linux-host.org/energy/scor8.gif [http://ww...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
I would like to seek your assistance and help regarding my project, and I would like to know if you have an ideas for projects on an appropriate level of required skill related to rocketry.
Pr...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
hey all
I am a student of final year of ungrad in aerospaec enginering.
i would lyk to know soem ideas about choosing a final year project ;
my intrests are in
Structures
and CFD.
ki...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
Deformation experiments (say,compression etc) for rock materials at temperature of 1000 degress and under confining pressure of 300MPa in order to explore the material behaviour.
Is such kind of te...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
I have this queston:
The flow rate in a pipe is assessed by measuring the speed of rotation of a propeller having its axis along the pipe centre-line. Show by dimensional analysis that the volume f...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
Hi everyone,
I am doing the research on helicopter aerodynamics. By applying the blade element theory and momentum theory we can determine the induced velocity at the balde, and we knew that, at a di...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
In this fraction, (Coeff of lift)*cord/avg. cord, is the avg. cord the Mean Aerodynamic Chord or just the average cord?...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
I am currently starting my Junior year in high school. I am very interested in majoring in aerospace engineering in college and would like to attend (if possible) a top engineering school such as MIT,...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
Hi i need some help understanding the method needed to construct difference tables
so far this is what ive got
table
X -2 -1 0 1 2 3
F(x) -105 -45 -25 -...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
hi, i've been searching around the site and found it pretty useful but i'm having a pretty tough time with a few questions i have
its pretty much the same as This [http://www.physicsforums.com/show...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
Folks, hopefully someone can assist me. I am a EE by education and am in the process of designing a mechanism that I need some assistance on.
The basic issue I face is determining the torque neede...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
Hi everyone
I am trying to learn how do I correctly draw, with a ruler (where are milimeters visible as much as possible) and pencil, on already given surface screw thread and on another surface (dif...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
i know on my bike i can't change gears if i'm not spinning the wheels and i know in a manual transmission you can't change gears really unless you're moving. anyone know of a transmission system that ...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
Hello,
actually, Im looking for some data concerning horizontal cantilevers that bend under the influence of the gravitation force. The cantilever should be rectangle-shaped, with given young-modul...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
Hi all.
When I read through text in fluid mechanics, I see various ways of non-dimensionlising the pressure. (Please see the figure)
To me, non-dimensionlize a quantity is to make it of order unit...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
I have posted the question in the General Physics session of this forum.
However, not many replies are received.
I am wondering if fluid mechanics is more related to people here in mechanical engine...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
I had an idea once which I'd like to go into a little. It involves how a fan or propeller draws in air verses only providing thrust.
The idea is/was to cut down on aerodynamic drag and resistance a...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
hi there, im building a hovercraft in my garage, so far it has gone perfect....
until i get to the thrust part! for some reason i cant get the darn thing to move! for lift i have a kawasaki back p...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
Dear all
I need to resolve the force in roller 1 & roller 2 to design shaft which is used to mount the roller 1 & 2
Roller 2 inclined to 30° wrto Roller1
final my objective is to find the...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
i googled a lot, the best hit i got was
" 'e' is a parameter which expresses the total variation of drag with lift. It is sometimes called the span efficiency factor or Oswald efficiency factor ...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
1. what will be the temperature produced during the combustion
process?? (NEGLECTING THE COOLING EFFECT PRODUCED by the cooling system)
2. The temperature of the exhaust gas at the exhaust
&quo...
[Tags: No tags defined yet] - Be the first to Tag this threadAdd TagsCancel
*Note: Tags must be comma (,) seperated. For example: boardtracker, forum search, search engine
Browse sub-categories 
