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    Rotovator Magneto

    I've been given an ancient rotovator - no identifying markson it whatsoever. It's a 4 stroke and it all seems in good condition, not seized etc, but there is no spark and a resistance test on the magneto the shows it is kaput, although it does seem to throw some voltage out 3 or 4 volts maybe. I...
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    Generator earthing to house earth.

    Afternoon. An odd query. I can't find it discussed anywhere. If it's lashing down outside, I need the generator at home under cover in a shed, albeit with the door open. The shed has a wired socket from the house circuit, so could I connect the earth stud on the generator, via a 3 core...
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    Dangerous circuit board?

    Hi everyone. I had you chap around - a qualified electrician - to sort a plug socket in the kitchen. He works for a big electrical company but does his own work out of hours as well. When he finished the job and went to turn the power back on at the he told me that the circuit board was...
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    Scottish Frost Line - Foundation Size?

    Hi everyone, I can't find the answer to this anywhere! Does anyone know what depth the Frost Line is in the Scottish Borders? Elevation approx 300m. We are building a single storey concrete block/natural stone faced storage building and need to decide on the foundation depth and width...
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    Diode Help!

    I have just bought an old T1200 lawn tractor (I knowm it's not really a car). While cleaning it I found a dry solder on the simple circuit board on a diode. The diode is between the 'battery charging' LED and the battery. Now, the battery charging light glows faintly when they key is...
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    Transformer for 240v to 110v - but the Watts?

    I'm bracing myself for an obvious answer here! What would happen to the input Watts needed for a 1600 Watt power tool which ran on 110v if you used a 240v (230) to 110v transformer? Would it reduce to 800 watts? or double to 3200 or stay the same? I have a 230v 900w generator but can't...
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    Concrete block compressive strength

    Hello all, I'm building an outhouse, 24ftx12ftx8ft tall, with a pitched roof made of 8x2rafters and 3/4 ply. I'm using concrete blocks for the walls, but I note there are different strength ratings for the ones available. What would be the minimum strength rating I should use? The...
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    How long would these last ?

    hi Due to some pretty major site levelling and frost heave issues I'm in a tizzy about the foundations for my workshop. I am thinking about sinking some wooden piers/pilings into the ground 2-3 feet. and using them as a support. How does using pressure treated 4x4 timber posts...
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    12v Winch Amps

    Hi I'm looking at getting a cheap 12v portable winch. I have seen one - which is not a massively powerful one - that is advertised as drawing 25 amps at 12v. I wanted to run it from my generator which can put out 8.3 amps at 12v. I know these are designed to run from car batteries...
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    Some EPDM Questions

    Hi All I am gradually moving to wards using EPDM for my workshop roof. It's a flat roof (with a slight run-off pitch to it). Does anyone know : 1. How heavy would a single sheet of EPDM 10mx5m be. Could two of us get it up onto the roof and would it fold up small enough to go in the...
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    Which timber size for tie and rafters?

    Hi, I'm building a shed/workshop out in the wilds, and want to use single roof type construction with no ridge board. I will use 18mm ply to cover the roof. Anything overly complex will be a major headache as there is no access for machinery and it all has to be made and fitted by hand...
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    18mm Ply - will this work for me?

    Hello We are building storage/workshop affair in a forest, 12' x 30'. It's pretty wet up there. I'm working out my design and want to use 18mm T&G exterior ply for the base. The joists are going to be 16" OC 2x6, on 2x6 sills. The plywood is going on top of the joists. BUT - I can't...
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