openspaceman

Yes but they only have milliseconds in which to do so, as I said a modern, regulated and licensed incineraotor has seconds to make sure combustion is complete. That's right their primary purpose is as a tyre but that does not preclude them being burned cleanly *under the right conditions* That's a non sequitur but yes, just in the same way lead has largely been removed from paint and solder. This latter probably also to do with incineration of old electrical goods. I'm not advocating burning tyres on the small scale because I cannot see a lawful way of doing it commercially, in the same way one could not use recycled cardboard, which is as near as dammit just wood fibres with a bit of ink and adhesives. The regulations are such that even if you purpose designed a power station to burn old PET milk bottles as cleanly as a wood burning one you would not be allowed to do it without all the controls of a municipal incinerator burning black bag rubbish. The wood burning power station pays a few quid a tonne for its fuel, a municipal incinerator is paid several tens of pounds per tonne to dispose of the waste and then has to dispose of 30% of the initial weight as ash which is a hazardous waste.

Why? What pollutants do you think would come from burning a tyre such that all effluent reached at least 1200C for 2 seconds? Off the top of my head I can only think of zinc oxide being a problem, most of the iron oxides would remain in the ash and the organic compounds would not survive into the flue gases. Is there something exotic I have missed? Yes I have actually done this but had to co combust with green arb chip to keep temperatures down, it was over 20 years ago and at the time there was no possibility of getting an exemption to operate it as a small incinerator burning less than 40kg per hour, so we dropped the idea. I can dig up a picture of the device operation but only on arb waste. At the time even the National Rivers Authority were routinely using tyres dredged up to burn tree waste from their operations, a big no no now.

Beaver with a spirit level? Unexpected consequence of battery powered saws?

I resurrected a plastic composter 2 years ago and found those plastic remains in the compost that was in there. We had been putting teabags in the food waste bin that the council sends to a local anaerobic digestion plant. Once I realised the agitation just reduced the size of the plastic particles before discharge to the land I put tea bags in the black bin for incineration or dried and burned them. Since lockdown and my feeble attempts to grow vegetables I have been using a tea diffuser and loose tea again plus all our veg waste goes in the composter. I very seldom need to put out meat waste for the bin men to collect now and tend to burn bones, after the dog has had a go, and eggshells when the fire is going. Chicken carcases are about the only thing that I put out for collection now. At the end of the month when we have no stove burning I will be using the food caddy again. Coffee bags get dried and burned.

Cutting a stool and adventitious shoots then sprouting in coppice is quite different from laying a stem. The laying depends on thinning down the stem to form a laminate of wood-wood cambium-bark cambium and bark such that it can be bent without disrupting any of the laminate layers. In spring the phloem is dividing and soft so bending it disrupts it.. Just take a twig and bend it, the bark side on the inside of the bend wrinkles and this is exactly what you are avoiding with a plash cut where you want the laid stem to continue living by having a smooth transition that preserves all the layers.

I was lucky (or unlucky maybe) to get a bottle of scotch the few times the local aero modellers (WDMAC now disbanded) asked me to retrieve a model, never asked for ought.

I'm glad you clarified that, the furry tale suggested dormouse but the colour was all wrong. Not in UK then?

This was much as my feeling but have never seen any evidence from tests. I was happy enough will Stihl chain on the stihl saws which I only used on utility and domestic work where regular sharpening was not necessary, so I suppose a harder chain would go longer. For production forestry I felt I could get a better edge on Oregon chisel and as the dust in the bark at the bottom of the tree was the main reason for the blade getting dull I don't think there would be much difference, silica basically being so much harder than either chain. Also with production cutting you very quickly notice any reduction in sharpness and 3 strokes on each cutter, often more than once during one fill, paid off. Chains wearing from frequent sharpening being a minor cost.

I was thinking prunus but the colouring may be just due to decay.

Runs on vaseline? or runs on petrol at this moment?

Yup, I would listen to them a lot, and CCS. I guess I only had them on cassette so have to search youtube.

I don't think I had an PTO pumps other than aluminium 2P gear pumps but the cast iron ones on the front of the traxcavator lasted better. In general it's whether the other components can take the flow, biggest bottleneck is likely the spool block. A couple of other considerations: What is the hydraulic reservoir? Perceived wisdom is it should be 1 1/2 times the flow per minute to allow cooling and settlement. If the capacity is suitable for the crane at tickover then if the PTO is not switched off when driving the flow through the block increases considerably. Sucking a lot of viscous cold oil on a winter's day kills pumps.

Purely out of interest; is it an off the shelf winch or a re-purposed crawler track motor?

I think you are right as long as you don't emit dark smoke or cause a nuisance to your neighbours. Basically it's difficult to curtails personal rights which have existed for time immemorial, hence H&S at works doesn't apply to householders, tachograph doesn't apply to personal transport etc. Of course it is possible to incinerate tyres cleanly and without smoke, they burn very hot, Dunlop coal.

I remain fascinated with these though will never have a use for one now. I would happily put my firewood axe away and use it for my firewood. I only burned a few bags of sawmill slabwood that had been through one. Is the length of chop consistent as long as the wood is at right angles to the blades or does diameter effect it?

We used tracked 1928s on the railway, not as good on big stuff as the Heizohack but they went anywhere. Toward the end of my job they were taking a B&S engined splitter as well so everything could be chipped instead of having to wire band the logs. I wanted to make a simple splitter powered by the chipper hydraulics.

They will of course dry pretty quickly too, I wonder if the chopping micro splits them so they dry quicker than sawn to the same size. I'm damned if I would get involved with nets but as @Billhook says a ventilated box or IBC would be ideal if mechanical handling is available, not much use for my domestic storage though. My little Morso s11 burns them well and builds up a deep layer of char that keeps the stove warm till morning. I could probably shovel out a kilo of char in the morning if I wanted to save it.

It's a shame as I don't agree with how the english language has been hijacked and effectively banned the use of ordinary words which I used to illustrate the point. However I did not intend to offend, especially not Saul who I enjoy reading his antics on here. I'll let it drop rather than dig a deeper hole.

Check out super-capacitors, some people use them instead of lead acid car batteries. As Spud says they can be charged and discharged much quicker than a EV battery and they have near infinite charge discharge cycles. The saying is while you think of EV batteries in terms of kilowatt hours super capacitors are more megawatt seconds. They will likely be used in transport as they can soak up sudden charges where a conventional EV battery cannot absorb all of the charge the regeneration could give out, so place the super-capicitor to absorb the huge spike and feed the main battery at a rate it can take to catch up.

The SMRs are derived from the power plants which were used in subs.

Rolls Royce also promote synthetic aero fuels but have hived off their solid oxide fuel cell business to Korea, even so they have laid off loads of engineers and may well not survive if their submarine based modular reactors don't get the go ahead.

Less beer consumption means less yeast byproduct?

It is very stable and was used for draughtsmen’s rulers, I have some from WW2 that my father used when drawing up plans, they are scaled but in inches. Churchill got very upset when boxes were felled at Chequers for the war effort, he called it arboricide.

Biggest aircraft that ever flew (just) in WW2 was nicknamed the spruce goose