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cornish wood burner

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Everything posted by cornish wood burner

  1. cornish wood burner
    I thought pleaching was layering.
  2. cornish wood burner
    Obviously opinions vary and mine must be in the minority here but I think a pollard is ugly. Worst thing anyone could do to a tree imo.
  3. cornish wood burner
    As Farmer Tom said its a rule of thumb. Not strictly true as depending on motor design starting current can be 10 times running current. It's just a useful average. When a motor starts it has virtually a short circuit through the windings, as it runs up the back emf opposes the incoming current which quickly drops to normal. This is why you probably have b rated breakers in your house but a motor needs slower acting c or even d rated breakers. A breaker size of 2 or 3 times running current normally does the job but do not over size as its job is to protect the cable not the motor as many think. Bigger gensets have more power, heavier windings, bigger breakers and more inertia to help cope with the high motor starting current.
  4. cornish wood burner
    Most of our works heating is underfloor but I use a slightly different system for timing. The office MUST reach a tropical temperature for long enough to warm chairs,cups and pens before occupation so it runs from midnight to just before end of play. The production staff are more forgiving so the concrete slab gets a couple of hours before start of work to melt the ice so all is well then. Best advice I can give to Mac and anyone installing biomass is make sure your heat store is big enough. It will give you much more flexibility to run the system as you want.
  5. cornish wood burner
    Looks like it may be a 2.2KW motor so more than 4KW generator. Go smaller and you risk pulling the voltage down which would risk damage to both machines
  6. cornish wood burner
    Motor starting current is about 3 times running current so go double your plate wattage.
  7. cornish wood burner
    Relief valve stuck open or seal broken up perhaps. Have you a reasonable flow but with little pressure? There should be a filter in the system somewhere so worth checking.
  8. cornish wood burner
    Have you tried just running the underfloor slightly over temperature by day and have a timer to turn it off by night. Depending on slab thickness it should retain a fair bit of heat for the morning. Probably not an ideal solution but if the morning and evening temperatures were bearable then no cost involved. I do something similar to this to reduce peak loads in the glasshouses.
  9. cornish wood burner
    Hi Mac If it helps a 2000ltr tank will hold 47KWhr of heat with a flow and return differential of 20 deg. If you need more info on recharge times with a certain boiler running set load for a certain time etc, or even system resilience running a smaller boiler than the peak heat load please let me know.
  10. cornish wood burner
    If that's red I'd like to know the supplier please
  11. cornish wood burner
    Just a word of warning about remote control of biomass boilers. It's best to control it in the flesh as it is difficult to see remotely what the fire is doing. We had damage done to ours when it was controlled from Austria. If I knew then what I know now I wouldn't have allowed it. Local is best and a visit is worth the extra if it is a setup issue.
  12. cornish wood burner
    Why not start with your own wood but buy a lorry load from your local cutter as soon as you can afford it from your sales. If you struggle to find a cutter then try euroforest or whoever is your local timber middle man. If you source small diameter cord it would make splitting easier and would be quicker to season as a bonus. If you have seen any timber lorries around your area make a note of them or try the Internet and give them a call. They would no doubt help you with some contacts. Stack your cord where the wind can blow through and ideally cover the top for best results.
  13. cornish wood burner
    Filled most of my saws strimmers and hedge cutter with aspen before the winter. Sub 35cc seemed to need a 1/4 turn of the L screw but my 40 to 60cc seemed fine as they were. I don't know wether that's the luck of the draw or a general trend. The only problem was with my MS211 which needed a tweak on the L then seemed fine, however I picked it up a few months later to finish a job rather than mix more petrol oil and it was down on power. Not had a look yet, might try a fraction on the H screw as a start.
  14. cornish wood burner
    Put washing powder in next time? Wash something a bit less dirty like normal work gear after to clean up the machine.
  15. cornish wood burner
    50 years ago I used swing the blower handle for a blacksmith. He used to make the horse shoes rather than buy them as is normally done now. Graduated to making the shoes and many other things for him. When he retired we took over his forge and used it as part of the workshop equipment. Over the years we used it to make many things and for a heat source to straighten many heavy pieces of steel when the oxy acetylene wasn't up to the job. It's amazing to see a big a piece of steel come out of a big coal fire glowing white hot. Over the years in my engineering career I have used welders lathes,mills grinders etc etc but none compare to the satisfaction of using the old coal forge. It seems to have a character that is missing with gas. If you ever get the chance to buy or build one imo it's well worth the extra bit of time to light it.
  16. cornish wood burner
    I too have tried spreading and drying G50 but only a thin layer seems to dry. Might be worth trying a deeper heap to generate a bit of heat and steam off the moisture. That seems to work in our shed to some degree if it is pushed around enough. Some years ago I did read of a trial (in Austria I believe )where they heaped and covered with a breathable membrane to lose the water
  17. cornish wood burner
    The tree surgeon chip I have seen is normally small as you say. If the boiler uses G30 it will be quite small and chances are the size will be ok providing no out of spec long pieces. Greenery it not good as biomass boilers have several pressure, temperature and O2 sensors sensing pipes etc which could get a tar coating when burning wet or green material. That said we have burnt wet and green material but our boilers will be much bigger with a bigger mass so resistant to a slug of wet material. We would mix with dry material anyway. Your engineer is right to be concerned but it depends on quantity of yours and their material.
  18. cornish wood burner
    Need to gear it down a bit more, a saw would run several times faster than a mower engine. I use a complete ride on to tow an arb style trailer for my firewood. Been known to drag a bigger twin wheel trailer on occasions Have a look at the picture in the maintenance section petrol how old is old. Barrie doesn't approve though
  19. cornish wood burner
    He will gain that sawdust. Consider 75 metres of timber gives 300 logs @250mm long In 3metre x 25 lengths needs 275 cuts In 2.5 metre x 30 lengths needs 270 cuts He will save those 5 cuts for the same number of logs so no cause to feel short changed
  20. cornish wood burner
    Thats exactly what we decided today. Diesel mulcher diff lock or even better 4wd The iseki range looks interesting with front decks and 4wd as choices. Presumably they mulch ok.
  21. cornish wood burner
    My lawn at home has never looked better since buying a mulcher so I totally agree with your comments Barrie. Personally I would never go back to a collector. I can see price is going to be an issue for the company so I expect compromises will need to be made.
  22. cornish wood burner
    Thanks for all the answers guys, much appreciated
  23. cornish wood burner
    Heat is exactly why a mains unit should be used whenever possible 12v Units are made smaller to be portable so are not so good at heat dissapation which is a result of compressing the air
  24. cornish wood burner
    12v dc and 230v ac obviously are totally different motors. You need an inverter or transformer/rectifier to change voltages depending on which way you go. Whether it is built in or separate it will be expensive. Why not get one of each? The AC would almost certainly have more output and the DC portable. The cost of the two would almost certainly be cheaper than a dual voltage machine even in the unlikely event you could find one.
  25. cornish wood burner
    Thanks David. Just had a look on gardenkits web site and there was a JD mulcher there.

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