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cornish wood burner

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Everything posted by cornish wood burner

  1. Best piece of advice I can give to anyone erecting a tunnel, is do not underestimate the importance of longitudinal strength. Presumably most would go for a single span as their first but multi spans are almost as easy, they just have a gutter down the middle supported by posts. When buying you have a choice of fixings and hoop shapes and sizes. It depends on the use required.Trenching works well with the sloping sided shapes, especially if you have a digger of some kind. A tunnel with upright sides makes good use of floor space and gives the chance of good side ventilation. Most aluminium clips are very quick to use but many can cut the polythene if not used correctly. Your chosen supplier will advise on which systems he can supply. Wooden battens are reliable and easy to use, but again practice makes perfect. Its all simple stuff and I'm sure plenty of advice would be given through this forum.
  2. Providing you have enough help then the wind can actually help a little. Always pull into the wind and it will lift the poly over the hoops. Our nursery is on a very windy site so very few still days unfortunately. Over 30 sheets to maintain so we have to take our chance when we can. Best to cover at the end of the summer if possible. One less summers UV means virtually another years life from the sheet. We use scaffold tressles to batten the ends. I definitely would not advise unrolling first as that just increases the risk of damage. If you are not pulling into the wind a batten or long handled brush may be needed to lift the leading edge over the hoops.
  3. Perhaps I should set up as a tunnel erector advisor. Nice little retirement job. Seriously though it is really quite easy if you go about it the right way. We work on a max wind speed of 12mph for small and 8mph for a large one which I would class as 40 to 50 metres long. Less wind means less pulling so as still as possible.
  4. Working for a nursery we've done a few. (Hundred) First put a pole through the roll then rest the pole on something like stacks of pallets so it can unroll freely. With a person either side of the tunnel, pull the poly along the length. Batten one end then tension at the other. Tighter the better. Next work along the sides evenly tensioning from side to side. If you are digging in the poly, dig your trench about 200mm deep, put a little earth over the poly,lift,flap to tension from side to side. Increase the fill, turn poly back towards the tunnel then fill completely. Tunnel structure is very important and it must be able to take tension along the tunnel length.
  5. Never had modern stuff like a 995. We did all ours with a T20 two furrow and a DB 950 with a 3 or 4 furrow. We also had another 950 with almost a ton of concrete on the back for a loader tractor.
  6. And no chain brake if you go as far back as I do. One thing that focused your mind was the severe consequences if you made a mistake.
  7. I doubt it very much. If you could get the tungsten carbide brazed on I expect it would be too brittle or would not adhere good enough. I don't know the steel used in chipper anvils but I suspect its a closely guarded secret. Must be hard but also tough enough to withstand the shock loads. Even if you could find a hard enough hard face material I expect it would put too much stress into the steel even with a padding layer. Distortion problems and stress cracks might result in an unexpected close look at some of your blades and anvil. Never worth the risk of something shattering.
  8. Enquire about Newton estate between Pillaton and Callington while you are on the phone. I think they were cutting a year ago so might be too late but worth asking. Must have been a delay on my first reply. Thought it had gone.
  9. Ask if they are cutting at Newton estate between Pillaton and Callington if that's closer. I think they were a year ago.
  10. I would explain the law to her that it is legal to prune up to the boundary but not beyond. Also that you must be offered the arising but can refuse them as is normal. Mention that she should tell the pruner as well. She might not know these things so an easy first step without falling out.
  11. A latch will drop out with a power cut as logrod says but also any safety devices fitted should do the same when a safety issue requires it. Again think very carefully about this as all will be bypassed.
  12. Makes sense. The safety devices/switches I was thinking of might have been activated if a guard was removed. A lot of machines have these and are in series with the stop start circuit. If you have these it would have been a simple job to link them out to see if one had failed. Good luck.
  13. Mick Depending how things are wired and what you have on your machine, if you have a stop /emergency stop it might not work with your switch. The start button latches a circuit then the stop breaks it. Might be worth checking out any safety devices that are on the machine as they could well be on the same circuit and causing your original problem. If you go with your switch check out what works and what doesn't before you have to rely on it.
  14. I think you might be on shaky ground if he has a picture like that. It shows you are on the wrong side of the roundabout going against the arrow.
  15. Would that be an arrow under your truck?
  16. You seem to think that is safe but personally I would never leave it like that. Exposed terminal screws, a falling object (perhaps you or one of your kids) pulling wires out, your kids or their friends meddling are all risks that could be avoided. I presume you know RCDs do not last for ever and need regular testing. We have had one fail recently and would not trip.
  17. Certainly fused whatever the voltage and certainly swinging in the breeze. So easy for someone to put their fingers behind. No children around I trust. I hope there is an RCD protecting the workshop.
  18. If thats a12 volt switch running 240 I don't think I would employ you as an electrician. Good luck with that. Don't touch it with wet hands. On second thoughts don't touch it at all.
  19. Don't go Hitachi Steve. One of our clan had one but it didn't last long. Not like they used to be unfortunately. One thing with li ion batteries as Stubby said they have almost full power until they need a charge. However do not be tempted to put in that extra screw as the battery recovers a little. Worst thing you can do to a lithium ion battery apparently.
  20. Thanks Barrie. Usefull info. Never had trouble with starting, only real problem was pickup on a small strimmer. I think it needed a good 1/4 turn.
  21. I think aspen is definitely worth using for low use or in a hedgetrimmer where the fumes are in your face, but when you praise it be fair guys. I have found problems when switching from pump fuel to aspen which I put down to carb tuning. I think it was just 1/8 or 1/4 of turn of a mixture screw when I changed from one to the other. Can't remember which way now but some of my machines seemed unaffected while one would hardly run. Might be of use to know if carbs are generally adjusted richer or weaker ?
  22. Glad someone can spell Erbauer. I should have been able to as we have had a few. Only bought the first, the rest were under guarantee. Screwfix are very good to deal with though.
  23. Nowhere near as aggressive as wasps. There was a hornets nest in the house I grew up in. Never got stung but they certainly look the business.

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