openspaceman

I wish, I have tried to raise discussion on this in another thread; AFAICS at best a TEG converts 4% of the heat flux through it to electricity. A 5kW (t) woodburner will keep my house warm down to nought C outside, despite having solid walls. The stove goes out about midnight but the warmth stays in the house till morning when it is re-lit, I have not seen internal temperatures fall to below 13C. 4% of 5kW is 200W(e) but all the 3800W of heat has passed through the TEG and that extra surface area has to be cooled (preferably to below 50C as the maximum temperature a semiconductor designed for the job will stand, cheaper ones designed for cooling tend to be a bit lower. 200W for 16 hours is 3.2kWh, not to be sneezed at but probably still a few kWh I need to make up for lack of sun in midwinter. My issue is that I would need a dedicated TEG woodburner and for safety of the semiconductors it would probably need to be water cooled. Your thought are welcome.

It actually says "easy cleaning by chimney sweep" which isn't quite the same thing. I'm not knocking the idea but it's just too expensive for me. Yes 30W is a small amount but 80% of the time I don't buy electricity and the months when I use a woodburner tend to be when I am short of electricity by about 200W so it becomes significant to me.

I know what you mean but given a bit of time VID-20220407-WA0000.mp4 I felt like that 50s song "High Hopes" when I started but it only put 2.3 machine hours on the clock. There looks like scope to get this type of grinder 100mm narrower to get it through a narrow door.

Doesn't it cost £2k, need annual servicing and constantly consume 30 Watt though? I'd love one but don't want to be like Rod Hull and getting people in negates the benefit of free heat from wood.

Yes I'm not advocating using a piston if the skirt is worn. When I get around to stripping my 262 I will measure the piston and post pictures on here. I'm hoping the piston will not be badly worn.

Congratulations

I've never had that but I have had a 026, IIRC, where the skirt was worn so thin it was a sharp edge. If the saw is just old and worn putting a ring on the old piston restores a lot of compression. I have two Husky 262s which were the last saws I bought new when I was contracting in about 1995 and they are both sound except they have poor compression, I have every intention of just replacing the rings. This is why I suggest putting an old ring in the bore and pushing it square with the piston, then checking the ring gap. The rings wear much worse than the nikasil bore which hardly shows any wear at all when you measure the ring at various depths of the bore.

https://www.lsengineers.co.uk/piston-assembly-50mm-dia-for-stihl-038-chainsaws-replaces-1119-030-2001.html NON genuine Says it is out of stock but not that it is unavailable

That's my thoughts too. Diesel and petrol are ideal fuels to collect tax on because there are so few refineries to deal with. Also gas oil is less likely to be used in domestic premises compared with kerosene and few modern engines will run well on kerosene.

If there are really no other options I'd try it. The problem is the piston skirts wear front and back, also if the piston has seized the lands that the rings sit in may be bad. The land needs to be clean for the gases to push the ring against them and seal. In the old days when car engines lasted about 50k miles there were firms that recovered then from slapping by putting an expander inside them and spreading the skirt front to back, they would also turn them on a lathe and knurl the bottoms to bring the hatchings proud and in spec again, never heard it done for 2T pistons.

I have an earlier version of that that I dug up ages ago. It needs a new handle and pivot bolt as the current one is too worn for the gripper to operate, I have never used it. It strikes me it depends on stapling the wire hard onto the post and I prefer to run the wire back on itself and running through the staple.

I have never seen brown coal briquettes but brown coal is generally just one step on from peat and not a smokeless fuel. I think germany burns a lot in power stations.

My first point is although the heat in the flue gas is wasted heat in that it doesn't get into the room it is necessary waste heat because it give the flue gas buoyancy to rise on up out of the chimney and it also prevents any condensation of the vapours on the chimney walls. My take is the problem boiler stoves have in meeting pollution standards is that the water cools combustion and quenches flames before they are full burned out whereas chip stokers and advanced gasifier boilers heat the water after secondary combustion has fully completed.

Will you be able to explain how the 600 metre range can be had?

Is it a current stove that you can visit a shop to look inside? What about pricing up the spares for the multifuel version rather than asking for a conversion. Chances are that they will all fit.

They work well on line wire too. The way the cam rotates to grip the wire means it is less damaging so they can be used on spring steel wire also. I look at the set hanging on my shed wall and wonder if I will ever use them again, fencing was never a thing for me but repairing breaks was fairly common.

or the oiler

Yes but here they were mostly resellers without reserves to hedge against rapidly rising prices. He did suggest just so.

Writing as an acknowledged poor business man I might but the CEO of a public company only has a duty to maximise shareholders' profits, morality is not in his remit. Well given the signals the primary energy producers have been given that has resulted them cutting down on exploration investment they might be looking at the market and thinking the consumer has been able to pay much higher prices, even with a big chunk going in tax, and the margin is higher on the smaller volume bought by those that can afford it, our profits have gone up, so make hay...

In your dreams; no one wants to give up money least of all energy company profits it's an unexpected consequence of a sudden change where regulation is too slow to react.. In the same way covid drastically reduced or negated profits of all those businesses that lost their clientele during lockdown. We have an economy that rewards the successful such that the less successful suffer and part of that is the money is no longer available for things the welfare state was designed to provide. The welfare state came about because the catastrophic consequences of war moved the public vote towards co-operation, 75 years on the economy has reverted further to competition and devil takes the hindmost. As Marcus points out the moderately wealthy and upwards are hardly affected because the staples of homes, heating and food form a smaller part of their disposable income so they can continue to afford luxury goods like travel, holidays etc. My problem with this is that those things tend to have increased global consequences.

My thoughts too, This is old and tatty on an outing yesterday. Pulling WRC off a slope where no thought had been given to extraction and I'm too old to haul winch wire up hill 50 metres.

and another angle; how much have you spent on electricity this last week, I spent £1.40.

it would require billions of dollars investment and no one is going to loan that to a government that might renege on the deal

Belvedere, is it a point house by the sea?

and it's probably the best overall wood for firewood if it is cut split and seasoned from green so as there is no deterioration, it is dense, dries relatively slowly but has a bright lively flame.