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Holz Hausen version 2 - collapse and rebuild PDF Print E-mail
Written by David Soede   
Wednesday, 18 February 2009

Well having had Holz #1 collapse due to a non-sturdy base, I ripped it all up, heart-breaking really, and built a new base using wooden pallets. This time I did a few things differently - better base for a start, I decided to do a smaller HH, only 6 foot diameter and outer wall height instead of the ambitious 8 foot diameter and height for HH version 1, and I did the proper ring to start the HH.

Only a 6 foot diameter ring this time.
Only a 6 foot diameter ring this time.

This starts the HH leaning inwards from the base - much better.
This starts the HH leaning inwards from the base - much better.

The challenge with a smaller diameter HH, especially using different lengths, split sizes and warped wood, is keeping the rows or rings flat.
The challenge with a smaller diameter HH, especially using different lengths, split sizes and warped wood, is keeping the rows or rings flat.

After about 8 or 10 rows it was time for some splits cross-ways to get it leaning inwards again.
After about 8 or 10 rows it was time for some splits cross-ways to get it leaning inwards again.

inner pile contains the short and crappy pieces.
inner pile contains the short and crappy pieces.

You can see at this height, around 4 to 5 feet, I have some dodgy leaning look going on. I wish in hindsight I had un-done this HH at this point!
You can see at this height, around 4 to 5 feet, I have some dodgy leaning look going on. I wish in hindsight I had un-done this HH at this point!
 

The inner wood allows the outside rows to lean against it and keep the HH solid, quite a clever structural principle really.
The inner wood allows the outside rows to lean against it and keep the HH solid, quite a clever structural principle really.

And so my second HH collapses! At least it was only a small collapse and quickly repaired.
And so my second HH collapses! At least it was only a small collapse and quickly repaired.

To prevent future collapses due to my quick and dodgy building technique, I wrapped some old fencing grid around the HH.
To prevent future collapses due to my quick and dodgy building technique, I wrapped some old fencing grid around the HH.

The fencing grid still allows air flow, it shouldn't affect the performance of the HH at all from the experiemental view of wood-seasoning.
The fencing grid still allows air flow, it shouldn't affect the performance of the HH at all from the experiemental view of wood-seasoning.

I tensioned the fencing grid with a rope, no way should this HH collapse.
I tensioned the fencing grid with a rope, no way should this HH collapse.

Still to come is a tarp or plastic cover on the top. I will do the same for the ricks (standard wood rows) I have started building as well.

I used a few more pallets to make a base for some east-west ricks. I'll build a north-south one later.
I used a few more pallets to make a base for some east-west ricks. I'll build a north-south one later.
 

At least I have my control pieces in both the HH and the ricks. I will still be able to gather some good empirical data on the performance of the HH over ricks with regard to seasoning progress. My weather station has been logging info (temps, humidity, wind speed & direction, rainfall etc) every 30 minutes so I will be able to figure out "degree days" etc.

It might not be as good an experiment as first envisioned, but it will certainly suffice to prove whether Holz Hausens do season firewood at a faster, slower or similar rate to ricks. As I posted at hearth.com I believe the HH benefit is aesthetics and high-volume storage for small ground area rather than better seasoning, but we'll see.

Last Updated ( Wednesday, 18 February 2009 )
 
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