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EVBEC live (V 1.5 analog)

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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EVBEC live (V 1.5 analog)

Unread postAuthor: boilingleadbath » Sun Apr 15, 2007 5:50 pm

So, <a href="http://www.spudfiles.com/EVBEC/JSE.html">EVBEC V1.5 Live</a> is finished and hosted.
(apologies to Latke and all for stealing the name)

Several advantages over the excel spreadsheet:
1) You don't have to download it!
2) Handy tool tips!
3) Much more strait-forwards data entry.
4) Much simpler data read off.
5) Built-in fudge factor options (MAPP gas and fanless operation)

The calculations use, essentially, the .75" latke data (actually a curve fit of it), but are otherwise identical to those of version 1.5 of the excel spreadsheet.
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Unread postAuthor: WOW!! » Sun Apr 15, 2007 6:07 pm

Great job on it!
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Unread postAuthor: sjog » Sun Apr 15, 2007 6:13 pm

THANKS much easier
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Unread postAuthor: noname » Sun Apr 15, 2007 6:20 pm

Woah, super easy to use, although I don't think my soda can mortar shoots at 553 fps....
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Unread postAuthor: frankrede » Sun Apr 15, 2007 7:32 pm

It doesn't calculate for me:(
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Unread postAuthor: boilingleadbath » Sun Apr 15, 2007 8:27 pm

Are you running internet explorer?
During testing I noticed that IE liked to prevent scripts from running... I think it gives you a bar across the top of the screen or something.

If you can't find the issue... tell me if you can run burntlatke's programs.
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Unread postAuthor: frankrede » Sun Apr 15, 2007 10:33 pm

Nvm I fixed it, I just had to reopen Firefox
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Unread postAuthor: rna_duelers » Mon Apr 16, 2007 1:21 am

Are you going to make a metric versoin of this or did I miss a simple link or feature?
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Unread postAuthor: TwitchTheAussie » Mon Apr 16, 2007 1:40 am

Yeah a metric version would be good for us metric people living in the future :P
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Unread postAuthor: jimmy101 » Mon Apr 16, 2007 11:33 am

Damn that's nice. Excellent job Boiling.

Kind of odd that all the inputs are in English units but some of the outputs are metric.

How about <a href="http://home.earthlink.net/~jimsluka/EVBEC%20Live%201.5%20JPS.html">this version</a>.

Boilingleadbath: I'll delete the version on my server in a day or so so people don't confuse it with the official version.

Again, excellent job, both in the calculation and the presentation.
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Unread postAuthor: boilingleadbath » Mon Apr 16, 2007 5:32 pm

Does anyone have a problem with Jimmy's system?
(otherwise, I guess I'll implement it so that we have a choice between all imperial and all metric.)

Is there a way to make text that can be changed outside of textboxes?
Because a whole bunch of textboxes where the "in" or "ft-lbs" labels are now would be UGLY.

...and grams (as an input) are not imperial units of measure.
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Unread postAuthor: FiveseveN » Mon Apr 16, 2007 6:34 pm

Is there a way to make text that can be changed outside of textboxes?


You mean like changing the contents of a <span> or paragraph? AFAIK you can change the content of any element with an ID using JavaScript.
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Unread postAuthor: boilingleadbath » Mon Apr 16, 2007 9:44 pm

It is now metric-capable.
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Unread postAuthor: jimmy101 » Tue Apr 17, 2007 1:03 pm

Damn you are quick boiling, very nice.

(OK, OK grams are not metric but 6 of the 7 inpurs were english with just one metric.)

Just to be an annoying SOB...

1. Can the page open with one of the two measuring systems already selected?

2. Is there a problem with the default "Atmospheric Pressure" value? In English units it comes up as 213.2... PSIA, in metric as 14.7 Bar.
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Unread postAuthor: LucyInTheSky » Tue Apr 17, 2007 2:14 pm

lol i noticed that, 14.7 bar is quite alot for the air around us.
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