[Gasification] Modern Log Skidder

[Dave Boyt]

I'd like to chime in here.  I practice low impact forestry in southwest 
Missouri.  You wouldn't want to churn the understory litter into the soil--  
too much damage to tree roots, erosion, and disruption of the forest floor. 
It would, however be beneficial to leave biomass on the surface of the 
ground and let it decay & mix into the soil as it has for eons before we 
came onto the scene.

Tree-length logging as shown in the video can be pretty hard on uneven age 
stands.  With every turn in the skid trail, those logs will scrape bark of 
the trees on the inside of the turn.  Even 16' logs are difficult to 
maneuver without causing damage.  Dragging one end of the log is less 
damaging than dragging the entire log as is usually done in logging 
operations, but true forwarders load the logs onto an all-wheel-drive wagon 
and leave no skid marks on the trail.  Balloon tires distribute the weight 
to minimize soil compaction.  The best equipment comes from Germany, 
Finland, & Slovenia, but not much of it makes it to the U.S.  I'd love to 
get one someday, but for now, I'm using an old 8N Ford Tractor & log arch. 
A Youtube search for "mini forwarder" will turn up some good videos.  Here's 
one: https://www.youtube.com/watch?v=Tuwx6eTGkrE.  And here's a video of the 
type of log arch I use:https://www.youtube.com/watch?v=64tgvMpG7sA

My interest in gasification is to set up a 15 kW unit to run a genset to 
power my portable sawmill with its own waste.  At this point, however, I'm 
just at the barrel/charcoal stage of experimentation.  The GEK looks ideal, 
but is beyond my budget.

Thanks for the great postings and maintaining the forum.  I'm sure that 
there are many who, like me, benefit from the information, but seldom have 
anything substantial to contribute.

Regards,
Dave Boyt
Pottershop Hollow Tree Farm & Sawmill



-----Original Message----- 
From: Mark Elliott Ludlow
Sent: Sunday, October 26, 2014 6:42 PM
To: 'Discussion of biomass pyrolysis and gasification'
Subject: Re: [Gasification] Modern Log Skidder

Might it not do the forest some good to churn that understory litter into
the soil? In any case, I saw a lot accomplished in a very few minutes.

Mark

-----Original Message-----
From: Gasification [mailto:gasification-bounces at lists.bioenergylists.org] On
Behalf Of nick malek
Sent: Sunday, October 26, 2014 3:44 PM
To: Discussion of biomass pyrolysis and gasification
Subject: Re: [Gasification] Modern Log Skidder

the tracks he left will be gone by following year with a horse you will
still see a skid trail 4 logs 4 skid trails and muddy logs

nick

On 10/26/14, Energies Naturals C.B. <energiesnaturals at gmx.de> wrote:
>
> Good operator skills, o.k., but have you seen what the skidder did to
> the forest floor with all this to and fro?
>
> Was it really worth while for those skinny logs? I wonder!
>
> Would a 25 m cable and tele winch not do almost the same without all
> that damage?
>
> But the guy would have to get down from his horse...
>
> Rolf
>
>
>
> On Sat, 25 Oct 2014 22:05:33 -0700
> "Mark Elliott Ludlow" <mark at ludlow.com> wrote:
>
>> REALLY GOOD operator!
>> Thanks, Jeff.
>>
>>
>> Mark
>>
>> -----Original Message-----
>> From: Gasification
>> [mailto:gasification-bounces at lists.bioenergylists.org]
>> On
>> Behalf Of Jeff Davis
>> Sent: Saturday, October 25, 2014 9:37 PM
>> To: Discussion of biomass pyrolysis and gasification
>> Subject: [Gasification] Modern Log Skidder
>>
>> Interesting skidder, nice forest and a good operator.
>>
>> https://www.youtube.com/watch?v=QtqTouODfWM
>>
>>
>>
>> Jeff
>>
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>
> --
> Energies Naturals C.B. <energiesnaturals at gmx.de>
>
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