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| pat123 |
 Posted: 03/31/2008 19:43 PM Post subject: HCMP |
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Lieutenant Colonel
Joined: 23 Dec 2006
Posts: 475
103.26 Spud Bux
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HCMP
hybrid and combustion metering for propane
I know it is basic but I had problems with this and it should help people with hybrid fueling.
tell me if you like it
edit: now has propane, butane, and mapp
| Description: |
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Download |
| Filename: |
HCMP.zip |
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6.02 KB |
| Downloaded: |
135 Time(s) |
Last edited by pat123 on 04/02/2008 18:58 PM; edited 2 times in total |
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| Counterstriker |
| Posted: 03/31/2008 19:46 PM Post subject: |
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Lieutenant Colonel
Joined: 29 May 2007
Posts: 424
386.55 Spud Bux
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| Picture not working for me.
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| bigbob12345 |
| Posted: 03/31/2008 19:47 PM Post subject: |
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Experienced n00b
Joined: 01 Dec 2007
Posts: 1515
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this is really well done and completely accurate
I like it a lot, will give me a break from that calculator for a while 
counterstriker:it is a fuel and meter calculator, just pres the download button 
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| pat123 |
| Posted: 03/31/2008 19:55 PM Post subject: |
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Lieutenant Colonel
Joined: 23 Dec 2006
Posts: 475
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| Thanks it only took about 5 minutes to make. I am going to add some more stuff to it soon.
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| daberno123 |
| Posted: 03/31/2008 19:56 PM Post subject: |
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Major
Joined: 19 Nov 2007
Posts: 392
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Very Nice!
Easy, simple, and user-friendly. A lot less confusing than other calculators I've tried to use. Good work!
Edit: what else are you planning to add?
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| pat123 |
| Posted: 03/31/2008 20:21 PM Post subject: |
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Lieutenant Colonel
Joined: 23 Dec 2006
Posts: 475
103.26 Spud Bux
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| a way to find chamber and barrel volume. Do guys see anything else that I should add? I updated it a little, I'll post the new version tomorrow.
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| jon_89 |
| Posted: 03/31/2008 21:16 PM Post subject: |
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Lieutenant Colonel
Joined: 11 Apr 2007
Posts: 477
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| This is great. Quick question though. A 1x mix is just regular combustion right? I would suggest maybe doing half mixes like 2.5x or 3.5x mix because I see many people doing this.
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| MrCrowley |
| Posted: 03/31/2008 21:31 PM Post subject: |
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Blizzard of Ozz
Joined: 23 Jun 2006
Posts: 6183
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Cool bananas, will test it soon
Edit: Just noticed the equation uses .953, now I could be wrong here, but glancing over SB15's topic, which I think you based this off, he used .958 for propane...
There's probably some crystal clear explanation I just looked over. 
Oh and I also made a second sheet for MAPP gas, as i'll probably be using that.
Thanks
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| LikimysCrotchus5 |
| Posted: 03/31/2008 21:43 PM Post subject: |
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Brigadier General
Joined: 04 Sep 2007
Posts: 1064
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I got slightly different results:
For 100 ci chamber
25 ci volume of pressure meter.
My program:
For 3x, i got 7.73 psi
For 4x, i got 10.3 psi
Your program:
3x i got 8.69 psi
4x i got 11.59 psi
Just slightly off but i could make a big difference.
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| starman |
| Posted: 03/31/2008 21:57 PM Post subject: |
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Big Daddio
Joined: 11 Dec 2007
Posts: 1836
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| Your calculator predicted a little high on mine too, 74 psi. I predicted and have been using 63 PSI. 225 CI chamber, 2.2 CI meter. My calc may be wrong, I'll check mine again.
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| pat123 |
| Posted: 04/01/2008 14:22 PM Post subject: |
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Lieutenant Colonel
Joined: 23 Dec 2006
Posts: 475
103.26 Spud Bux
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I just uploaded a new version.
| Quote: | | Edit: Just noticed the equation uses .953, now I could be wrong here, but glancing over SB15's topic, which I think you based this off, he used .958 for propane... |
thanks i just changed that. by the way thanks to SB15 for all of the formulas in the first place
| Quote: | | This is great. Quick question though. A 1x mix is just regular combustion right? I would suggest maybe doing half mixes like 2.5x or 3.5x mix because I see many people doing this. |
yep 1x is normal combustion. I'll add those too.
| Quote: | Oh and I also made a second sheet for MAPP gas, as i'll probably be using that.
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If you don't mind giving it to me Ill add that to it too.
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| hubb017 |
| Posted: 04/01/2008 14:36 PM Post subject: |
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Sarcasmo
Joined: 28 May 2007
Posts: 1475
584.33 Spud Bux
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This thread reminds me. I need to update my CO2 calculator thread.
Pat, if you want, I can send you a copy of mine so you can add to this. I posted the original a while back, but I have since made updates to it, including more accurate CO2 data, as well as high pressured air data. If you're interested in throwing in a little pneumatics with this, just let me know.
Oh, and have you considered adding butane to your spreadsheet. A lot of members use it, too.
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| daberno123 |
| Posted: 04/01/2008 14:41 PM Post subject: |
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Major
Joined: 19 Nov 2007
Posts: 392
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Just downloaded the newer copy. Only complaint is the yellow background...my eyes...they burn.
Oh and you should definitely make different sheets for different fuels
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| pat123 |
| Posted: 04/01/2008 14:46 PM Post subject: |
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Lieutenant Colonel
Joined: 23 Dec 2006
Posts: 475
103.26 Spud Bux
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| I'll take co2, air, butane, etc. just need a new name.
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| pat123 |
| Posted: 04/02/2008 19:00 PM Post subject: |
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Lieutenant Colonel
Joined: 23 Dec 2006
Posts: 475
103.26 Spud Bux
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| I updated it now it works for mapp, propane, and butane. I need someone to check over it and make sure it is right for butane and mapp gas.
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