openspaceman
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Everything posted by openspaceman
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I agree and had been waiting for it for three years since Hans mentioned it in passing at a Stihl do. Even single point injection on cars was a step forward but then they had lambda sensors in the exhaust.
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I am aware that I was watching a Dolmar rather than the new Stihl, it was blue . I've played with reed valves in bike engines so understand that but Stihl still indirectly inject into the crankcase, presumably to allow mixing as well as lubrication, it saves the complication of a separate oil tank and injection as well as only requiring low pressure plus much longer dwell for the injection.. However it does nothing to prevent carry over of fuel air mix into the exhaust which is why 2t engines are less economical as well as being dirtier. I don't know whether the chief contribution to their pollution is the fact they have a total loss lubrication or the loss of unburned fuel.
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It's interesting to see the stratified charge system. I still can't quite figure out the advantage of this Stihl indirect injection into the crankcase other than mixture control, it doesn't seem to do anything better than stratified charge for pollution.
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I suppose it depends on the tracking motors currently fitted, I cannot see it being a retrofit to an existing single speed motor as the valve is built into the motor block.
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Out Hinowa based tracked chipper had two speeds by cutting out half the pistons, thus doubling the speed from the same flow but also halving the torque. Control was by a pilot valve in the track motor.
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Failing finding a direct replacement as per spuddog's suggestion: Is it a single or tandem variable displacement piston pump? Is it belt driven? If so they are relatively expensive but Parkers PV16 series pumps will do the same job, hydraulic fittings will be different and you will probably need an outrigger bearing.
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It still can, try revving a diesel and then switching off whilst simultaneously spraying WD40 into the intake.
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I've never experienced it myself. Detroit diesels had a spring loaded butterfly in the manifold, you pulled the pin and air was cut off, just for this purpose, I suppose it was in case the blower seals failed. Stalling in gear wasn't an option due to the torque converter
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David H will know better but I think it is the results of tyloses with suberin forming in reaction to an injury, basically to compartmentalise the injury, maybe from a boring insect or a woodpecker going after it or even a Utility Arborist. It blocks the affected vessels to prevent any infection travelling up or down.
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Yes this is true of a covenant, the person who benefits from the covenant must have adjoining land. Even then they would have to prove a loss if the tree were removed. It may be another sort of charge on the land though or even a simple contract between vendor and buyer.
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"The Towing Pintle is suitable for normal on-road usage as it can be locked in a fixed position when necessary." but no approval number as you say
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No but it is implied. Anyone going to ask? I had one on my 101 but apart from pulling lorries out of sites it wasn't used. Does type approval has to be in addition to CE mark in order to place it on the market?
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The brazing is like a shear pin, it protects the more expensive bits. On the rail work it was a fairly regular occurrence because hedgecutters were used instead of brush cutters to avoid flinging bits about, so they were cutting stuff above their design capabilities. I did wonder about making a jig to reflow the braze but decided the effort was not woth it compared with a genuine replacement clutch drum.
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How should I treat these yew slices?
openspaceman replied to Steve Bullman's topic in Woodcraft Forum
Hell I hadn't considered costing it, I thought it was something you'd enjoy doing. Anyway at the rate you're going you'll be a billionaire by my age -
http://www.bradleydoublelock.co.uk/products/gb/dixon-bate-jaws/23-dixon-bate-35t-universal-coup-.html
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NR tend not to be proactive. The significant thing is if the work involves anyone or anything being "on or near the line", which for most purposes can be taken as 3metres from the nearest running rail. Next is whether the work can be all done without going onto NR land (trepass on rail land is criminal rather than civil offence). Then there are normal proximity rules (two tree length for straight felling, proximity of conductors). If you cannot satisfy these then you need to contact the off track manager. If the tree is dead and obviously a high risk to the rail then if it disrupted the trains I think the owner would be visited with large costs for his or her negligence.
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How should I treat these yew slices?
openspaceman replied to Steve Bullman's topic in Woodcraft Forum
No need to be defeatist, I cut some douglas first thinnings into coasters off an early job with the Holder and hydratongs around 1979 and still have them somewhere, they didn't split and the bark stayed on. Mind I don't think you'd get away with it with some hardwoods. -
What ploughing?
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Hascombe north of Markwick?
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short of immersing it in oil nothing I can think of. Are you sure it's not just the oil level is low? When the pump sucks its like water going down a bath plug hole, it forms a vortex and air can get drawn down. If it's a aluminium gear motor the chances are if the seal is leaking the bush is warn and they are not replaceable.
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Sucking air past the pump shaft seal?
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If trailers worry you how about E-types and other classics not requiring MOTs from next year? I think it's driven by accident statistics, these vehicles are not involved in as many but I did expect commercially used trailers to need an inspection. Of course if you get pulled over or have an accident if the trailer is not found to be roadworthy...
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yes but I don't think the requirement was different then, in fact a chain may be used instead of a breakaway cable on braked trailers up to 1500kg but I don't know why this is allowed. I've never tried to see how well the trailer brakes work dynamically but, as Stubby says, if they are adjusted properly they should pull up in a straight line and the gas strut should apply enough force to apply the brakes to 80% of the mass of the vehicle. So a 1 tonne trailer should be slowing by a force of 800kg if the grip of the tyres allow. Given force time distance equals 1/2mv^2 the required stopping distance can be calculated. IME trailer brakes tend to be not well serviced.
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The charity I was working for had me working with them. Foreman used the day as opportunity to shag girlfriend and crew took it out on my chipper by throwing a brick through it.
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Unbraked trailers are supposed to have a safety chain, or were unless it has changed. Braked trailers have the breakaway cable and should not also be chained to the vehicle.
