openspaceman

The only law that applies is Health and Safety at Work act 1974 ( assuming the equipment is up to scratch). This act requires you to be trained and competent. An assessment by NPTC for the units you need is proof of competency and the only proof likely to be accepted by large landowners and companies.

Only if a lifting operation and then there were exemptions for things like 3 point linkage and when no one is within the riskzone of the lift and the operator is properly protected.

I'll second that, the grinder removes material fast so it it is set even slightly wrong all the cutters lose a bit too much. This then exacerbates the problem of over heating the cutter, because more is taken off in one hit. I also have the Aldi version and echo the comment about the pawl mechanism having too much play (as does the motor pivot to some extent) which means great care is necessary to see the tooth is in the correct position each time. Has anyone done a calculation of file cost verses chain cost verses time? My guess is that if the chain needs more than 8 strokes with a file then the grinder is worthwhile, especially if you've hit a round pebble as this seems to fold the tooth cutting edge and knacker the file quickly.

I didn't comment because I haven't a clue. I have seen ring barked pine with similar growth above the ring and put it down to the bark cambium no longer feeding the root, the root being sustained from adjacent tree root grafts. As sap flow from root to top is maintained in the woody tissue the tree carries on growing above the cut.

That's a non sequitur, nowhere in my post did I say that oil did not burn. What I said is that the blue colouration in the smoke is a phenomenon of a sol. In this case the particles are hydrocarbon that has not burned completely. Often it is lubrication oil but that is not because it will not burn, rather that the conditions in which it is exposed to combustion do not enable it to burn completely. In the good old days before engines were as well made, oils less well formulated and carburettors a bit hit or miss it wasn't unusual to see a newish car sat idling with a wisp of blue coming from the exhaust. Often from oil dribbling down a valve guide and we've all seen it in wood smoke from a chimney. Yes the flame temperature in a petrol engine (about 2000C) is high enough to burn oil and much will be burned well but think about what that oil is there for. It enters the engine as a solution in petrol, the petrol evaporates and the oil condenses as a mist on the cooler engine parts. Eventually it does burn but not completely, essentially oxygen molecules from the air preferentially strip hydrogen from the hydrocarbon and then the remaining carbon rich molecules start to burn, if they don't complete this burning before the temperature falls during the power stroke (less than 2.5 milliseconds at 11krpm) then they leave as PICs. Even when finely divided in a diesel engine more time and more air is needed to burn the droplets which is one reason diesels are inherently slower revving than petrol engines.

My first thought was cockspur thorn (Crataegus) too but not sure

In order for what to be true?

It's one of their many rules which include always parking with steering turned into the kerb and holding onto both handrails when ascending stairs. I suspect a result of meter readers jumping out of vans which then roll away but enforced across the board, which includes UA on an audit.

Because they're not working for Scottish and Southern Electricity??

Sounds good, I wasn't too worried about flattening the battery on the vehicle, as the total charge is only 108Wh, just the instantaneous current draw. I'll have to find a similar inverter and the vehicle has two batteries with split charge anyway.

Ours were bought for that, I used one pruning 3 80mm branches from around a light suspended from harness (Silky pole saw was too messy and awkward at full stretch) and thought it brilliant. My criticism was I found at full stretch in the rain my finger kept slipping off the trigger. As we needed a quick start with heavy rain forecast I broke the rules and used it for some early pruning before the 8:00 deadline for starting engines, again I was impressed, used 2 batteries down to 1 green led on the two jobs.

That's not bad, I've just weighed one of my 262s cw 18" laminated bar and full of fuel and oil, 10.1 kg. I'll try again when I have cleaned it.

The smoke is blue because it is an aerosol (colloidal suspension of solids in a gas), Particles of Incomplete Combustion finely dispersed in the exhaust such that they interfere with the light and appear blue in reflection. They are normally black soot based particles. This is similar to why a a similar suspension of oils in a liquid (i.e. milk an emulsion) is white.

Yes, I don't think procera ever sets a viable seed, it was a clone and that was it's downfall. I saw elms in Boston Common Massachusetts which were labelled procera but the leaves were way too large. I still would like to know what it is, I saw similar in Edinburgh just below Calton hill by Regent's gardens.

Looks much the same as the Prinz debarker, used to debark elm sawlogs before sending them off site. A similar tool was developed to removed decayed wood from cavities in the days we'd drain them prior to dolloping on arbrex.

My wife grew a couple from seed collected in Brighton, the leaves and bud look like procera rather than wych elm. One has rooted through its pot and is 15 ft tall now, I'll have to find a home for it or cut it soon.

Here are two I have a complete saw with seized piston but fixing these must be easier than a complete engine swap. Delayed by the feel of warm winter sun on my face, listening to bugle and remembering an uncle I never met.

Pellets are £260/tonne for me now after years of using up free ones, so now out of the question. When we imported pellet boilers they were only available for commercial use as they were plumbed into pressurised systems. I know building regs recently changed to accommodate smaller flues for pellet stoves but do they now allow balanced flues and sealed systems for domestic use? I still have most of a Kunzel 25 and a envirofire 15 which were taken out of premises if anyone wants to experiment.

I bought 7dayshop LED Modelling Light for DSLR, Video and Camcorder Uses - 135 x LED Model - 7DAYSHOP.COM with 2 rechargeable Lion cells (36 quid), charges off usb in car and can have 6AA cells. Seems to have about the same light as a 40W bulb. I haven't run the first charge down yet so don't know the duration. It's a bit plasticky

Thanks, I've used helicoils quite a bit, from spark plugs in cars to exhaust studs in saws but this time the whole side of the threaded section has broken out on one side.

Any ideas on how to repair two of the screw threads which hold the plastic cylinder cover/air filter housing to the body. I broke them out a very long time ago, have tried araldite to hold a threaded piece in without much success. I have an acquaintance who is an ace TIG welder but I think it is mag alloy and doubt it's weldable.

Be careful using the lowest ratio with a big load, the crown wheel in one of the rear axle reduction (portal) hubs will break a tooth, guess how I know?

IIRC that charger requires 330W so even if it's 100% efficient it will draw 27 Amps at 12V, more than a cigar socket will stand and you'd need the engine running.

In your dreams Jon, I wouldn't trust any of the fancy testing procedures any more than I trust manufacturers car fuel consumption figures. You need to monitor air flow and flue gas exit temperatures to get a real handle on stove efficiency.

At home 4.164p/kWh and 26p/day At work 2.7p/kWh and 180p/day Wood cut by hand and split by axe is a luxury good. I make your 1800kWh stack to be 450kg air dry, how long does that take to cut and split and what hourly rate on marginal costings for time and equipment? I guess you can get a bulk load of what was known as G30 chip with 40% mc for £25/tonne and similar for softwood cord both of which can be burned directly in a suitable device. So for the same weight of dry wood you get 1700kWh or <1.5p/kWh. Trouble is that the wood stove is not as efficient as the gas boiler, nor as controllable so room is often hotter than need be. Still I don't pay for my wood and only spend a couple of days gathering it off arb sites.