# A 2 cord HH, should be what diameter?

Posted By FatttFire, Oct 18, 2009 at 12:13 PM

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1. #1

### FatttFire Member 2. ```NULL ```

Feb 14, 2008
195
0
Loc:
Snowbelt, Ohio
Hello everybody! Its been a while since I have been here, and it is nice to be back after a horrible summer! I have my 4 cords of wood to the house and ready to go, and I was going to start splitting for next year. I wanted to start a HH, and was wondering what size it should be for 2 cords, or even for 4 cords, which is what I burn every winter. Can anybody tell me?

2. #2

### adrpga498 Minister of Fire 2. ```NULL ```

Nov 18, 2005
891
118
Loc:
New Jersey
I would recommend building 2 hh with a 6 to 7 foot diameter base and go maybe 7feet high. I think if you try to make 1 large hh you may not get the "draft" effect of air circulation throughout. Just my opinion.

3. #3

### jdinspector Feeling the Heat 2. ```NULL ```

Jan 22, 2009
411
23
Loc:
Northern IL
+1 That is exactly the dimensions of mine which is around 2 to 2.5 cords.

4. #4

### Wood Duck Minister of Fire 2. ```NULL ```

Feb 26, 2009
4,786
844
Loc:
Central PA
I build Holz hausens that are 8 feet in diameter, and make them about head hight (i am 5 ft 8 inches tall) at the outer edge, sloping up to a peak of about 7 feet in the center. Each one calcs as about 2.25 cords when built, then they shrink a little to about 2 cords of dry wood. I build them head height because if they were much taller it would be a hassle to remove the wood from the top when it is time to burn.

With an 8 ft diameter, the radius is four feet and the basal area is 4 squared times pi, or 16 times pi, or about 50 square feet. A cord is 128 cubic feet, so each 2.5 feet of height is about a cord of wood (2.5 ft high times 50 square feet is 125 cubic feet of wood). That means a five foot holz hausen is two cords, and my approx. 6 or 6.5 ft holz hausens are about 2.25 or 2 1/2 cords. I had originally planned to build 8 ft diameter by 8 foo tall holz hausens, and each would then hold pi cords of wood, but I realized that it would be a pain to get firewood down from the top of an 8 ft stack. I really don't know if my holz hausens are built properly to create the magical chimney effect that seasons wood in three months. I am just happy that they don't fall over, look nice, and stand up on their own.

5. #5

### LLigetfa Minister of Fire 2. ```NULL ```

Nov 9, 2008
7,361
110
Loc:
NW Ontario
They say figures don't lie but liars always figure... A cord is 128 cu ft when neatly ranked up parallel while loose tossed is somewhere closer to 180 or 200 cu ft. Since a holtz is stacked in an arc, there will be more air than in a straight row so a simple calculation using pi and based on 128 cu ft per cord won't quite cut it.

6. #6

### Wood Duck Minister of Fire 2. ```NULL ```

Feb 26, 2009
4,786
844
Loc:
Central PA
Also, I stack my holz hausens with a lot of air space, so that reduces the volume of wood I put in there. Still, a 6 ft tall by 8 ft diameter holz hausen contains about 300 cubic feet of space, so I am confident that there are at least two cords of wood in each one. I'll stick with my original answer to the original question - make it 8 ft diameter by 6 feet tall to create a 2 cord holz hausen.

7. #7

### Wood Duck Minister of Fire 2. ```NULL ```

Feb 26, 2009
4,786
844
Loc:
Central PA
If anybody has a free afternoon, please go out and stack two cords of wood into a holz hausen and see how large it is.

8. #8

### FatttFire Member 2. ```NULL ```

Feb 14, 2008
195
0
Loc:
Snowbelt, Ohio
LOL.................... wood duck! Excellent I will go for the two HH idea I like that one, I can just see my short ass ( 5' 9" ) trying to jump up to get the last piece on and collapsing the whole thing!

Thanks!

9. #9

### Apprentice_GM Feeling the Heat 2. ```NULL ```

Aug 6, 2008
250
17
Loc:
Central Coast, NSW, Australia
WoodDuck, I built my fist HH that way precisely to have pi cords of wood as well I calculated the outer height of the HH was 7'8" whilst the centre height was 8'8", because the top sloping roof part is like a cone, which is 1/3 volume of a cylinder, given radius and height the same Mind you my HH fell over so I made the 2nd HH smaller then wrapped chicken wire around it.

I am disputing the magical chimney effect and currently running a HH vs normal stacked row seasoning experiment Down Under, I will have the results when I burn my wood this autumn (~April to May) so a few months away yet. My signature has more experiment details . . .

10. #10

### Wood Duck Minister of Fire 2. ```NULL ```

Feb 26, 2009
4,786
844
Loc:
Central PA
Apprentice, I think the idea for a holz hausen containing pi cords of wood came from you. It definitely wasn't my original idea, and I got the idea here at Hearth.com

11. #11

Feb 10, 2009
145
0
Loc:
Jersey Shore
I like pie

12. #12

### Bigg_Redd Minister of Fire 2. ```NULL ```

Oct 19, 2008
4,153
995
Loc:
Shelton, WA
My soon to be complete 10'x20' WOODSHED will hold about 9 cord if stacked 6' high. I hope this helps.

13. #13

### gzecc Minister of Fire 2. ```NULL ```

Sep 24, 2008
4,502
881
Loc:
NNJ
How many pies is a chord of wood?

14. #14

### lexybird Minister of Fire 2. ```NULL ```

Nov 9, 2008
595
45
Loc:
northwestern PA.
do you want the measurement to be before ~ or after that euro heap hauzen falls over .those things are a big waste of time
wood needs maximum air and exposed space and sun(or atleast warm temps ) to season *in a reasonable amount of time*
they do look pretty though

15. #15

### pulldownclaw Feeling the Heat 2. ```NULL ```

Mar 2, 2007
398
0
Loc:
Richmond, Va
If you have access to some pallets, put 4 of them together in a square and get the HH off the ground, it will be about 7' diameter for standard sized pallets. I like to put bricks under my pallets to get a few more years out of them as well.

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