Well I talked to my professor today and to my disappointment he told me its a best guess scenario using linear interpolation. I thought that i had to be more accurate than that but I guess my final answers just need to be + or - 5%

Thanks to everyone for your creative answers.

Thought about it, but so far in my college career I have not been allowed to use my graphing calculator in 90% of my classes. I even had a calculus professor that wouldn't let us use any type of calculator on exams and quizzes.

I'm trying to find the enthalpy (H value) for r134a and all I have is that it is 35 degrees Celsius at 800 kpa and I have a plethora of tables with this data. The problem is that the tables do not have data points at every single temperature and pressure because that would be (theoretically) an infi...

Im taking a Thermodynamics course and skipped the intro course, I am fine on the concepts and problems with the exception of knowing how to read the damn property tables for instance: I have superheated refrigerant 134a at 800kpa at 35 degrees Celsius but the problem is that my tables temperatures g...

Build one!! http://www.free-electronic-circuits.com/circuits/stun-gun.html The 555 circuit puts out a high frequency square tooth wave that can then be stepped up by the transformer. This is all stuff you can get at a rat shack. The thing labeled Q1 is just a transistor, just mind where the base, co...

looks like a nice hobby lathe but I didn't notice an indexing wheel. If you want to do any thread cutting on the lathe(I would do a lot) an indexing wheel allows you to start your thread cut at the same position each time cutting successively deeper cuts.

lemming124 wrote: best minute and three seconds of my day!

THATS WHAT SHE SAID!!!!

I could see it getting a decent following. In my experience different forums have different personalities some just like the feel of one forum over another. I am a member of a couple different forums of the same topics and prefer some over another just because of the collective personality of the fo...

I watched the shots of it, man that thing is all over the place. Do you have a diagram or something of how you made it?

I would say an automotive relay with a momentary switch, and then you could also put a diode across the coil in the relay to prevent current going the wrong way when the field collapses.

wow! thanks guys i definitely have enough here to make a convincing proposal.


I am always amazed at the response of this forum compared to others I'm a part of.

I am going to be writing a manual on spud guns for my technical and science writing class and I need pictures of spud gun failures for my proposal. I know i have seen many of them on here but the search is not my friend.

THIS IS NOT MY DIAGRAM BUT ITS A GOOD ONE!


my cannon based off of it.

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I go to UC, and there coop program was the first and one of the best. its a pretty compact campus and it only takes you 10 min to walk anywhere, the stadium is right in the middle of campus for anyone to use. Miami is full of snoody people. Ohio state is cool if you like Ohio state football. the res...

wow, thats very impressive, i would like to see a video of it in action just to show exactly how it works. great job!