[Stoves] Chaff cutters and wood choppers

[Paul Anderson]

Rolf, Crispin and all,

Very good reports.

It would be very nice to have a summary of the manufacturers and models 
(with price and cutting attributes).

ASSUMING that some one or a few of these devices (and not toooo 
expensive) can do the stick and small branch cutting, we need to get 
some of them into action in places where we can use the fuel for the stoves.

Any assistance to accomplish this would be appreciated.

Paul

Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
Email:  psanders at ilstu.edu
Skype: paultlud      Phone: +1-309-452-7072
Website:  www.drtlud.com

On 1/3/2014 1:19 AM, energiesnaturals wrote:
> The Jensen Buschhacker is a kind of disc chopper wth only 1 blade 
> sopported in front of the actual disc and thus free to let up to 12 cm 
> enter the space between fixed counter knife and the rotating blade. 
> The wood enters horizontally, but at that 30 or so angle to the disc's 
> plane. The cutting length is given by the speed of the advance 
> rollers/cylinders vs. the rotational speed of the disc as usual.
> These devices are no toys, the biggest of them cut nearly 20 cm of oak 
> branches!
> My 60 y.o.Buschhacker munches through 15 cm of softwood and 12 cm of 
> extremely hard dry GREENOAK (quercus ilex) and wild olive. And this is 
> the middle model of 3.
> Of course you wouldnn't want to lift these branches high up to insert 
> them into a garden chipper type, thus the horizontal cutting 
> angle.There must be a series of photos on the bioenergy list 
> somewhere, but i cannot find it from where i am right now.
> Rolf
>
>
>
>
> Enviado desde Samsung tablet
>
> CPP GMail <crispinpigott at gmail.com> escribió:
> When the blade impacts the wood/branches are they pointed downwards? 
> That would tend to pull the feedstock in as well as provide the bevel 
> cutting effect.
>
> Thanks
> Crispin
> ------------------------------------------------------------------------
> *From:* "energiesnaturals" <energiesnaturals at gmx.de>
> *To:* "stoves at lists.bioenergylists.org" <stoves at lists.bioenergylists.org>
> *Sent:* 3 January, 2014 12:54 AM
> *Subject:* Re: [Stoves] Chaff cutters and wood choppers
>
> Nail trimmers indeed, but only if you intend it.I have worked with 
> them time ago and as long as you put the alfalfa/hay/straw right on 
> the conveyor chain and let the advance cylinder in front of the 
> cutting wheel do it's job, there is not much danger to get caught...
> Btw, they still build them in Spain as i inquired for Christa some 
> month ago.
>
> The same principle applies to the Jensen Buschhacker i described earlier.
> Not only has it 35deg angle between advance rollers and disc plane, 
> but the blade position in the disc cuts much like you would cut 
> through aloaf of bread with a knife.
> This enables the Jensen to perform very well with only 12-15 hp 
> tractors on the pto.
> My Laimet Hp 21 also saves energy cutting, but we strongly miss the 
> advance rollers.
>  We are actually busy implementing them together with a pickup system 
> for prunings and forest slash for the Laimet and two modern Jensens.
> Guess for what!
> Rolf
>
>
>
> Enviado desde Samsung tablet
>
> mtrevor at ntamar.net escribió:
> The one at the link above is really advanced
> when it comes to safety which is good
> because this sort of machine was responsible for more lost fingers
> than any other piece of farm equipment.
>
> Impressive piece of machinery and EXACTLY my immediate reaction--- Nail
> trimmer extreme!!!
>
> M Trevor
>
>
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