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Richard Cullip (RichardCullip) - BPL Guest

My Locale San Diego County
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All Forum Posts by Richard Cullip

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Received!
USPS just delivered my red one. Very pretty and lightweight. It looks well made and should certainly do the job it was designed for.

In Gear Deals » A NEW potty trowel - the Deuce of Spades™
May 01, 3:48pm

Re: Re: Another Stove Efficiency Calculator/Spreadsheet
Thanks Ben. I used the Lower Heating Value numbers when I could find them. Not sure about the Esbit value as all I could find was the ~13,300 BTU/lb values and it wasn't clear whether it wa...

In Make Your Own Gear » Improved Stove Efficiency Calculator/Spreadsheet
April 29, 12:24pm

Re: Re: Another Stove Efficiency Calculator/Spreadsheet
Delmar - Yes the K-S SLX I know is a 50/50 mix and the K-S Green is a 90/10 blend. The BPL mix doesn't exist in stores. I just added that to get the same heating value (25 kJoules/g) that B...

In Make Your Own Gear » Improved Stove Efficiency Calculator/Spreadsheet
April 28, 11:00pm

Another Stove Efficiency Calculator/Spreadsheet
I enjoy building spreadsheets. In fact, before I retired a couple of years ago, it was part of my job responsibilities. I have created a Stove Efficiency spreadsheet to add to the mix. It has a ...

In Make Your Own Gear » Improved Stove Efficiency Calculator/Spreadsheet
April 28, 5:58pm

Re: Spreadsheet vs. People
Delmar - I agree. Two of the biggest sources of variation, as I see it, are time to boil and fuel type. Not much discussion, nor reporting of, fuel type as folks are posting efficiency results....

In Make Your Own Gear » Improved Stove Efficiency Calculator/Spreadsheet
April 27, 7:27pm

Re: Re: Re: Re: Artificial but useful
Glenn - I forgot to mention that those equations expect elevation in feet, relative air pressure in inHg and yield boiling temperature in Fahrenheit. These are the units I'm used to working in.

In Make Your Own Gear » Improved Stove Efficiency Calculator/Spreadsheet
April 26, 11:07pm

Re: Re: Artificial but useful
Glenn - you convinced me a few pages ago. I've found some ugly, but once coded up, nice equations that use Elevation and Relative Air Pressure to calculate, first Absolute Air Pressure and then...

In Make Your Own Gear » Improved Stove Efficiency Calculator/Spreadsheet
April 26, 10:45pm

Re: You bet I'm confused
Barometric pressure as reported in weather reports and as measured by barometers are relative pressures not absolute pressures. Local atmospheric pressures are adjusted for elevation to reflect wha...

In Make Your Own Gear » Improved Stove Efficiency Calculator/Spreadsheet
April 26, 10:10pm

Re: Got it & another question
Galen - Is it possible the prior spreadsheet is showing the fuel used in ml while the new spreadsheet is reporting it in grams? 10.2/13 yields 0.785 which is remarkably close to the density (g/...

In Make Your Own Gear » Improved Stove Efficiency Calculator/Spreadsheet
April 26, 10:21am

Re: ml
Delmar - you're right. I mis-wrote grams when I should have said ml. I went back and edited my other post to clarify the oops I made. It's hard not to get sloppy with units since there&...

In Make Your Own Gear » Improved Stove Efficiency Calculator/Spreadsheet
April 25, 10:11pm

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