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Difference between revisions of "Talk:Firepit"

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|-
 
|-
| 25? || 100 || 100 || 100 || 100 || || 22 || 60 || 40
+
| 25 || 100 || 100 || 100 || 100 || || 21 || 59 || 39
 
|-
 
|-
 
| 30 || 100 || 100 || - || - || || 22 || 19 || 42
 
| 30 || 100 || 100 || - || - || || 22 || 19 || 42
 
|-
 
|-
 
| 30? || 100 || 100 || 100 || 100 || || 22 || 61 || 41
 
| 30? || 100 || 100 || 100 || 100 || || 22 || 61 || 41
 +
|-
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| 40 || 100 || 100 || 100 || 100 || || 25 || 72 || 46
 
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| 50 || 100 || 100 || 100 || 100 || || 26 || 76 || 48
 
| 50 || 100 || 100 || 100 || 100 || || 26 || 76 || 48
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100 limestone, 0 stokes -> 13 lime
 
100 limestone, 0 stokes -> 13 lime
 
100 leeks, 0 stokes -> 4 ash
 
100 leeks, 0 stokes -> 4 ash
 +
 +
I moved the following data here from the main page so it's all in one place: --[[User:Inkoaten|Inkoaten]] 17:19, 9 March 2009 (EST)
 +
 +
{| class="wikitable"
 +
| Stokes || Lime || Ash
 +
|-
 +
| 20 || 21 || 52
 +
|-
 +
| 30 || 23 || n/a
 +
|-
 +
| 36 || 26 || n/a
 +
|-
 +
| 40 || n/a || 72
 +
|-
 +
| 60 || 27 || n/a
 +
|-
 +
| 65 || n/a || 83
 +
|}
 +
--[[User:Mosen|mosen]] 18:37, 19 January 2009 (EST)
 +
 +
{| border="1" cellpadding="5" cellspacing="0" width="60%"
 +
|+style="font-size: 18px" | '''tehmoosh Firetests'''
 +
!style="font-size: 12px; width=6%" |
 +
!colspan="2" align="center" width="14%" | Limestone/Papy
 +
!colspan="2" align="center" width="14%" | Limestone/Papy/Leeks
 +
|-
 +
!align="center" width=6% | Minutes of<br>Stoking
 +
!align="center" | Lime
 +
!align="center" | Ash
 +
!align="center" | Lime
 +
!align="center" | Ash
 +
|-
 +
|align="center" | 50
 +
|align="center" | 27
 +
|align="center" | 50
 +
|align="center" | 27
 +
|align="center" | 58
 +
|-
 +
|align="center" | 60
 +
|align="center" | 29
 +
|align="center" | 54
 +
|align="center" | 29
 +
|align="center" | 63
 +
|-
 +
|}
 +
''Firepit was stoked for the time listed and then allowed to die out.  This results in about 5 minutes of additional burn time as the fire dies.''
 +
<br><br>
 +
'''Akmenotep Fire Tests'''
 +
 +
100 Leeks, 100 Dried Flax
 +
*40 Stokes - 28 Ash, 44 Charcoal
 +
 +
 +
100 Leeks, 100 Dried Flax, 100 Papyrus
 +
*40 Stokes - 70 Ash, 45 Charcoal
 +
 +
 +
100 Limestone, 100 Leeks, 100 Dried Flax
 +
* 9 Stokes - 21 Ash, 18 Lime, 33 Charcoal
 +
*19 Stokes - 23 Ash, 20 Lime, 37 Charcoal
 +
*33 Stokes - 26 Ash, 23 Lime, 42 Charcoal
 +
*36 Stokes - 28 Ash, 24 Lime, 45 Charcoal
 +
*40 Stokes - 28 Ash, 24 Lime, 44 Charcoal
 +
*50 Stokes - 29 Ash, 26 Lime, 47 Charcoal
 +
 +
 +
100 Limestone, 100 Leeks, 100 Dried Flax, 100 Papyrus
 +
*33 Stokes - 65 Ash, 23 Lime, 43 Charcoal
 +
*40 Stokes - 70 Ash, 24 Lime, 45 Charcoal
 +
*50 Stokes - 76 Ash, 26 Lime, 48 Charcoal
 +
*60 Stokes - 80 Ash, 27 Lime, ? Charcoal
  
 
== Speed? ==
 
== Speed? ==
Line 63: Line 136:
 
== Possible yield formulae ==
 
== Possible yield formulae ==
  
This seems to fit some of the numbers here and matches my own tests. Yield seems to be based solely on elapsed time, not number of stokes, which makes it hard to fit to most of the data here unfortunately (because the time between stokes varies a lot)
+
Using these formulae, and assuming 1 stoke = 45 teppyseconds, I get very good agreement with the data on this page (in general, +/- 1 for 80% of the data, with a few obvious outliers that are probably measurement errors):
 +
 
 +
t = int( (burning duration in teppyseconds) / 30 )
 +
charcoal = int( t^(1/3) * 11 )
 +
lime from 100 limestone = int( t^(1/3) * 6 )
 +
ash from 100 flax = int( t^(1/3) * 5 )
 +
ash from 100 leeks = int( t^(1/3) * 2 )
 +
ash from 100 papy = int( t^(1/2) * 5 )
 +
 
 +
i.e. yield is proportional to the cube root of duration for everything except papyrus, which is proportional to the square root. Duration includes the ignition and smouldering-out time (so t=12 for 0 stokes - 6 teppyminutes from ignition to completion).
 +
 
 +
I will go ahead and put this on the main page since it agrees well.
 +
 
 +
I have not tested less than full loads yet. However, speculation:
 +
 
 +
  lime = int( t^(1/3) * int(limestone/16) )
 +
  ash = int( t^(1/3) * int(flax/20) )
 +
  ash = int( t^(1/3) * int(leeks/40) )    (Not 50! See below)
 +
  ash = int( t^(1/2) * int(papy/20) )
 +
 
 +
Testing results:
 +
 
 +
  200 wood + 15 limestone + 19 flax, no stoking -> 25 cc, NO ash, NO lime
 +
  200 wood + 16 limestone + 20 flax, no stoking -> 24 cc, 2 ash, 2 lime
 +
  200 wood + 49 leeks, no stoking -> 24 cc, 2 ash. (Hmmm)
 +
  200 wood + 39 leeks, no stoking -> 25 cc, NO ash
 +
  200 wood + 40 leeks, no stoking -> 25 cc, 2 ash
 +
  200 wood + 19 papy, no stoking -> 25 cc, NO ash
 +
  200 wood + 20 papy, no stoking -> 25 cc, 3 ash
 +
 
 +
Hypothesis for the full formula (needs verification)
 +
 
 +
t = int( (burning duration in teppyseconds) / 30 )
 +
charcoal = int( t^(1/3) * 11 )
 +
lime from limestone = int( t^(1/3) * int(limestone/16) )
 +
ash from flax = int( t^(1/3) * int(flax/20) )
 +
ash from leeks = int( t^(1/3) * int(leeks/40) )
 +
ash from papy = int( t^(1/2) * int(papy/20) )
 +
 
 +
More results. Unfortunately I mis-stoked one of the fires and it went out early, so these have different burn times:
 +
 
 +
200 wood + 100 limestone + 100 papy + 100 flax + 100 leeks, 28 minute burn time -> 63 ash, 42 cc, 22 lime (Matches formula)
 +
200 wood + 96 limestone + 100 papy + 100 flax + 80 leeks, 33 minute burn time -> 68 ash, 44 cc, 24 lime (Matches formula)
 +
 
 +
--[[User:Inkoaten|Inkoaten]] 19:33, 9 March 2009 (EST)
 +
 
 +
Excellent update to the wiki.  However, two points.
 +
* Stoking once on the yellow following orange works fine.  One does not need to stoke once each on yellow->white->yellow
 +
* When one is finished, repeatedly stoking will "ruin the fire prematurely" and put the fire out within a minute.  This saves time waiting for it to smolder out "naturally".
 +
 
 +
--[[User:Serkwati|Serkwati]] 8:43, 14 March 2009 (EST)
 +
 
 +
: You can edit the main page, you know :) --[[User:Inkoaten|Inkoaten]] 04:52, 20 March 2009 (EST)
 +
 
 +
Discussion moved from the main page:
 +
 
 +
As a note, I haven't quite figured out how to use the firepit correctly and I often stoke it at the wrong time, making the fire go out prematurely. Often this yields low amounts of ash, lime and charcoal, but recently something strange happened:
 +
I had three fires going, two loaded with 96 dried flax and 100 limestone, one with just 96 dried flax.
 +
The first went out prematurely after a few minutes only with 7 ash (IIRC), the second shortly thereafter with, I think, even lower yields.
 +
However, the last one lasted maybe 10-20 seconds longer before it ended prematurely and yielded 24 ash (26 lime and 48 cc)! It had then run for about 3-5 minutes, which shouldn't yield such amounts according to the above figures. -- [[User:Tumaini|Tumaini]]
 +
:Are you sure you didn't load the 3rd one with papyrus, not flax? 24 ash sounds about right for 100 papy for 5 mins --[[User:Inkoaten|Inkoaten]] 18:28, 19 March 2009 (EST)
 +
::Yes, I'm absolutely sure, since I don't have a single papyrus at the moment. -- [[User:Tumaini|Tumaini]] 10.08, 20 March 2009 (CET)
 +
:::Can you try to reproduce it under controlled conditions and post your results here? I haven't seen any strange outliers like this in my own data, so I suspect a measurement error here more than anything. --[[User:Inkoaten|Inkoaten]] 04:52, 20 March 2009 (EST)
 +
::::I'm guessing it's a flaw in the code or suchlike, since it only happened to one of the fires. I'm 100% certain that it produced those amounts though, since I rechecked the firepit over and over to make sure I hadn't read it wrong or something. I've not experienced it more than one time, but will try to reproduce it when I get an opportunity. -- [[User:Tumaini|Tumaini]] 12.24, 21 March 2009 (CET)
 +
 
 +
The integerization of the input materials didn't sit right with me, but alas, it seems to be true. The following fires were run side-by-side for 40 teppyminutes (total runtimes within seconds of each other):
  
  t = (burning duration in teppyseconds) / 30
+
  200 wood + 95 limestone + 99 papyrus + 99 flax + 99 leeks -> 61 ash + 47 charcoal + 21 lime
charcoal = t^(1/3) * 11
+
  200 wood + 80 limestone + 80 papyrus + 80 flax + 80 leeks -> 61 ash + 47 charcoal + 21 lime
  lime from 100 limestone = t^(1/3) * 6
 
ash from 100 flax = t^(1/3) * 5
 
ash from 100 leeks = t^(1/3) * 2
 
  
(i.e. yield is proportional to the cube root of duration)
+
--[[User:Numaris|Numaris]] 09:29, 21 March 2009 (EST)
  
Duration includes the smouldering-out time (so t=11 for 0 stokes). Fractional results are discarded, not rounded up. I haven't tested papyrus yet.
+
== Crematories ==
  
(bah, <math> rendering is disabled)
+
As far as I recall, in T3 the crematory became available with Advanced Chemistry 1. So, for those wondering, until teppy tells the university researchers to make that available for donation, we're stuck with these lovely firepits. --[[User:Shebi|Shebi]] 17:16, 14 April 2009 (EST)
 +
* Available now! --[[User:Numaris|Numaris]] 08:38, 24 June 2009 (EST)
  
--[[User:Inkoaten|Inkoaten]] 06:09, 5 March 2009 (EST)
+
== Deviations from formula ==
 +
(Discussion moved from main page; the table being referred to is the "Sample Yields" table)
 +
*This table implies that starting a fire, stoking once successfully, and ending, will result in 13 lime. This is not accurate -- I stoked three cycles and ended up with only 9. [[User:Cory|Cory]] 19:27, 22 June 2009 (EST)
 +
** Assuming 96-100 limestone input, this would be accurate if you stoked the fire out prematurely (after about 2 minutes of total burn time). Any chance that happened? --[[User:Numaris|Numaris]]
 +
*** Yes, that's what I did. Am I supposed to just wait it out? If so, is there any data on what the "stoked out" penalty is -- or possibly am I reading this table wrong, and it includes this somehow? [[User:Cory|Cory]] 02:30, 8 July 2009 (EST)
 +
**** When you stoke out a fire, it stops its production time immediately. If you simply stop stoking and let it smoulder out gracefully, it will run and continue to produce for another 5 teppyminutes. The above table was built on the assumption of the latter. --[[User:Numaris|Numaris]]
 +
***** I stoked for 45 teppy mins then let the fires die, but my returns were as if I stoked for 15 teppy mins.  [[User:Linalia|Linalia]] 05:14, 22 October 2009 (GMT)

Latest revision as of 14:14, 28 December 2009

Can someone add pictures of the orange - yellow - white stages, and make it a bit clearer when to stoke the fire? It's tough to do with just this info. -shadeking

  • I added information on the color of a fire as well. The Hue of a fire will be 0 during the stoke phase and 60 during the no stoke phase. --Vulpine 18:08, 26 January 2009 (EST)


Data

stokes limestone dried flax leeks dried papyrus -> lime ash charcoal
0 100 100 100 100 13 32 25
0 100 - - - 13 0 25
0 - - 100 - 0 4 25
1 100 100 100 - 13 4 25
15 100 100 100 100 19 51 35
25 100 100 - - 21 18 39
25 100 100 100 100 21 59 39
30 100 100 - - 22 19 42
30? 100 100 100 100 22 61 41
40 100 100 100 100 25 72 46
50 100 100 100 100 26 76 48

Not sure if anyone's collecting stoke data (appears similar to T3). Here's a data point to start with:

200 limestone; 100 dried flax; 200 wood @ 25 stokes (~18 mins) = 21 Lime, 18 Ash, 39 cc

100 limestone; 100 dried flax; 100 leeks; 200 wood @ 1 stoke = 13 lime, 4 ash, 25 cc


Here's my T4 data:

100 limestone; 100 dried flax; 100 dried papyrus; 100 leeks; 200 wood @ 15 stokes = 19 lime, 51 ash, 35 cc

McArine data(not sure about the 30 stoke one being 30 stokes):

  • 100 limestone; 100 dried flax; 100 dried papyrus; 100 leeks; 200 wood @ 0 stokes = 13 lime, 32 ash, 25 cc
  • 100 limestone; 100 dried flax; 100 dried papyrus; 100 leeks; 200 wood @ 25 stokes = 22 lime, 60 ash, 40 cc
  • 100 limestone; 100 dried flax; 100 dried papyrus; 100 leeks; 200 wood @ 30 stokes = 22 lime, 61 ash, 41 cc
  • 100 limestone; 100 dried flax; 100 dried papyrus; 100 leeks; 200 wood @ 50 stokes = 26 lime, 76 ash, 48 cc

More: 100 limestone, 0 stokes -> 13 lime 100 leeks, 0 stokes -> 4 ash

I moved the following data here from the main page so it's all in one place: --Inkoaten 17:19, 9 March 2009 (EST)

Stokes Lime Ash
20 21 52
30 23 n/a
36 26 n/a
40 n/a 72
60 27 n/a
65 n/a 83

--mosen 18:37, 19 January 2009 (EST)

tehmoosh Firetests
Limestone/Papy Limestone/Papy/Leeks
Minutes of
Stoking
Lime Ash Lime Ash
50 27 50 27 58
60 29 54 29 63

Firepit was stoked for the time listed and then allowed to die out. This results in about 5 minutes of additional burn time as the fire dies.

Akmenotep Fire Tests

100 Leeks, 100 Dried Flax

  • 40 Stokes - 28 Ash, 44 Charcoal


100 Leeks, 100 Dried Flax, 100 Papyrus

  • 40 Stokes - 70 Ash, 45 Charcoal


100 Limestone, 100 Leeks, 100 Dried Flax

  • 9 Stokes - 21 Ash, 18 Lime, 33 Charcoal
  • 19 Stokes - 23 Ash, 20 Lime, 37 Charcoal
  • 33 Stokes - 26 Ash, 23 Lime, 42 Charcoal
  • 36 Stokes - 28 Ash, 24 Lime, 45 Charcoal
  • 40 Stokes - 28 Ash, 24 Lime, 44 Charcoal
  • 50 Stokes - 29 Ash, 26 Lime, 47 Charcoal


100 Limestone, 100 Leeks, 100 Dried Flax, 100 Papyrus

  • 33 Stokes - 65 Ash, 23 Lime, 43 Charcoal
  • 40 Stokes - 70 Ash, 24 Lime, 45 Charcoal
  • 50 Stokes - 76 Ash, 26 Lime, 48 Charcoal
  • 60 Stokes - 80 Ash, 27 Lime, ? Charcoal

Speed?

How quickly does the color cycle? I tried once and apparently missed the stoking point entirely, even though I thought I was seeing the color progression. -- Shebi 00:10, 13 January 2009 (EST)

  • The speed will vary, in general the fire will remain in the stoke phase for around 14 seconds after you stoke. The next phase where the stoke button is removed and the fire will change colors seems to be around 5-10 seconds. The no stoke phase that follows is high variable, I have seen it last as little as 5 seconds and go for over 40. --Vulpine 18:08, 26 January 2009 (EST)
  • I used a count of 12 seconds before stoking going 1 and 2 and .... and this worked well for about 10 stokes until my husband walked in. I broke the rhythm but I was able to stoke again about 5 times and then it smouldered out. My yield was between the 10-15 stoke yields. --Dianess 22:34, 5 February 2009 (EST)

Possible yield formulae

Using these formulae, and assuming 1 stoke = 45 teppyseconds, I get very good agreement with the data on this page (in general, +/- 1 for 80% of the data, with a few obvious outliers that are probably measurement errors):

t = int( (burning duration in teppyseconds) / 30 )
charcoal = int( t^(1/3) * 11 )
lime from 100 limestone = int( t^(1/3) * 6 )
ash from 100 flax = int( t^(1/3) * 5 )
ash from 100 leeks = int( t^(1/3) * 2 )
ash from 100 papy = int( t^(1/2) * 5 )

i.e. yield is proportional to the cube root of duration for everything except papyrus, which is proportional to the square root. Duration includes the ignition and smouldering-out time (so t=12 for 0 stokes - 6 teppyminutes from ignition to completion).

I will go ahead and put this on the main page since it agrees well.

I have not tested less than full loads yet. However, speculation:

 lime = int( t^(1/3) * int(limestone/16) )
 ash = int( t^(1/3) * int(flax/20) )
 ash = int( t^(1/3) * int(leeks/40) )     (Not 50! See below)
 ash = int( t^(1/2) * int(papy/20) )

Testing results:

 200 wood + 15 limestone + 19 flax, no stoking -> 25 cc, NO ash, NO lime
 200 wood + 16 limestone + 20 flax, no stoking -> 24 cc, 2 ash, 2 lime
 200 wood + 49 leeks, no stoking -> 24 cc, 2 ash. (Hmmm)
 200 wood + 39 leeks, no stoking -> 25 cc, NO ash
 200 wood + 40 leeks, no stoking -> 25 cc, 2 ash
 200 wood + 19 papy, no stoking -> 25 cc, NO ash
 200 wood + 20 papy, no stoking -> 25 cc, 3 ash

Hypothesis for the full formula (needs verification)

t = int( (burning duration in teppyseconds) / 30 )
charcoal = int( t^(1/3) * 11 )
lime from limestone = int( t^(1/3) * int(limestone/16) )
ash from flax = int( t^(1/3) * int(flax/20) )
ash from leeks = int( t^(1/3) * int(leeks/40) )
ash from papy = int( t^(1/2) * int(papy/20) )

More results. Unfortunately I mis-stoked one of the fires and it went out early, so these have different burn times:

200 wood + 100 limestone + 100 papy + 100 flax + 100 leeks, 28 minute burn time -> 63 ash, 42 cc, 22 lime (Matches formula)
200 wood + 96 limestone + 100 papy + 100 flax + 80 leeks, 33 minute burn time -> 68 ash, 44 cc, 24 lime (Matches formula)

--Inkoaten 19:33, 9 March 2009 (EST)

Excellent update to the wiki. However, two points.

  • Stoking once on the yellow following orange works fine. One does not need to stoke once each on yellow->white->yellow
  • When one is finished, repeatedly stoking will "ruin the fire prematurely" and put the fire out within a minute. This saves time waiting for it to smolder out "naturally".

--Serkwati 8:43, 14 March 2009 (EST)

You can edit the main page, you know :) --Inkoaten 04:52, 20 March 2009 (EST)

Discussion moved from the main page:

As a note, I haven't quite figured out how to use the firepit correctly and I often stoke it at the wrong time, making the fire go out prematurely. Often this yields low amounts of ash, lime and charcoal, but recently something strange happened: I had three fires going, two loaded with 96 dried flax and 100 limestone, one with just 96 dried flax. The first went out prematurely after a few minutes only with 7 ash (IIRC), the second shortly thereafter with, I think, even lower yields. However, the last one lasted maybe 10-20 seconds longer before it ended prematurely and yielded 24 ash (26 lime and 48 cc)! It had then run for about 3-5 minutes, which shouldn't yield such amounts according to the above figures. -- Tumaini

Are you sure you didn't load the 3rd one with papyrus, not flax? 24 ash sounds about right for 100 papy for 5 mins --Inkoaten 18:28, 19 March 2009 (EST)
Yes, I'm absolutely sure, since I don't have a single papyrus at the moment. -- Tumaini 10.08, 20 March 2009 (CET)
Can you try to reproduce it under controlled conditions and post your results here? I haven't seen any strange outliers like this in my own data, so I suspect a measurement error here more than anything. --Inkoaten 04:52, 20 March 2009 (EST)
I'm guessing it's a flaw in the code or suchlike, since it only happened to one of the fires. I'm 100% certain that it produced those amounts though, since I rechecked the firepit over and over to make sure I hadn't read it wrong or something. I've not experienced it more than one time, but will try to reproduce it when I get an opportunity. -- Tumaini 12.24, 21 March 2009 (CET)

The integerization of the input materials didn't sit right with me, but alas, it seems to be true. The following fires were run side-by-side for 40 teppyminutes (total runtimes within seconds of each other):

200 wood + 95 limestone + 99 papyrus + 99 flax + 99 leeks -> 61 ash + 47 charcoal + 21 lime
200 wood + 80 limestone + 80 papyrus + 80 flax + 80 leeks -> 61 ash + 47 charcoal + 21 lime

--Numaris 09:29, 21 March 2009 (EST)

Crematories

As far as I recall, in T3 the crematory became available with Advanced Chemistry 1. So, for those wondering, until teppy tells the university researchers to make that available for donation, we're stuck with these lovely firepits. --Shebi 17:16, 14 April 2009 (EST)

  • Available now! --Numaris 08:38, 24 June 2009 (EST)

Deviations from formula

(Discussion moved from main page; the table being referred to is the "Sample Yields" table)

  • This table implies that starting a fire, stoking once successfully, and ending, will result in 13 lime. This is not accurate -- I stoked three cycles and ended up with only 9. Cory 19:27, 22 June 2009 (EST)
    • Assuming 96-100 limestone input, this would be accurate if you stoked the fire out prematurely (after about 2 minutes of total burn time). Any chance that happened? --Numaris
      • Yes, that's what I did. Am I supposed to just wait it out? If so, is there any data on what the "stoked out" penalty is -- or possibly am I reading this table wrong, and it includes this somehow? Cory 02:30, 8 July 2009 (EST)
        • When you stoke out a fire, it stops its production time immediately. If you simply stop stoking and let it smoulder out gracefully, it will run and continue to produce for another 5 teppyminutes. The above table was built on the assumption of the latter. --Numaris
          • I stoked for 45 teppy mins then let the fires die, but my returns were as if I stoked for 15 teppy mins. Linalia 05:14, 22 October 2009 (GMT)