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john stones 1 - Moderator

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Posts posted by john stones 1 - Moderator

  1. During the early days of HK and the likes, the term cheap Chinese stuff got thrown in a lot, my take was, there's some truth in that and a fair slice of brand snobbery, not so nowadays by the vast majority of us modellers, in fact many of us will get the hump if folk rubbish our gear and go out our way to sing it's praises, been a happy buyer of Eastern produced products a long while as have many, many others. It is there for all to see on this very platform.

    Also I see no great uproar Konrad, just comments from some engaging in your thread.

  2. The pilots the most important thing flying wise, 2 stroke or 4 stroke, how it flys is up to you, same goes for the noise level. 2 strokes are a valuable tool in a modellers armoury, 4 strokes ? I wouldn't put anyone off wanting to own and use them, beautiful things.

  3. 2 strokes only screams around the sky if the pilot asks it, propped and flown sympathetically they ain't that offensive really, some of you should get out more, or show less one shoefits all.

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  4. Grew up in a mining village and worked there in my early years, watched telly a bit at one time as well, much is made of extraction damage these days, will it ever be on a scale that coal and oil, iron ore etc were ? Doubt it would get anywhere near myself. Armthorpe, Doncaster and most of the other pit villages in my neck of the woods had slag heaps that dwarfed the villages in size, all grassed over now, full of wildlife and a great place to walk the dog. Tarrifs ? Same stuff, different day.

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  5. 24 minutes ago, Engine Doctor said:

    I dont know if the Stihl is the same but a friend had a F/S strimmer some years ago and it lost power . Turned out to be a melted camshaft as the cams were a kind of plastic yes plastic and had worn down badly . I would of thought that a brand like Stihl were better than that but worth a check.

    Think it's likely a simple issue ED, just my lack of confidence regarding valves holding me back, strimmers done a lot of work, never any quality issues with their tools myself.

  6. 1 minute ago, Tim Flyer said:

    Worth checking valve clearance. Maybe there is carbon build up on exhaust valve. There are a number of good helpful videos on u tube on that model. 

     

    Was my thinking Tim.

  7. Exhausts been off, it's a known problem area Brian, no issue with it, mixture I feel is ok, plug colour suggest so, but worth a try, it's also got noisier, or I'm using more throttle coz of loss of grunt.

  8. This is the tool in question (picture of). https://www.worldofpower.co.uk/stihl-fs-90-28-4cc-4-mix-petrol-brushcutter.html

    No video or audio am useless at tech stuff, I have my suspicions of what's amiss, I've done carb and replaced plumbing/plug/filter as a routine to do thing.

    Valves and gaps and such I am out my comfort zone, strimmers best workhorse I've ever used and I think it's something simplish, still starts and runs well but lost grunt.

  9. Strimmer engine not a model, starts and runs, but down on power and as throttles increased it pops ? full throttle and best way I can describe it is crackling. Plumbing/plug/filter/fuel all good. I have an idea what's wrong, but input from others who know more would be a help.

  10. Sounds like a substitute/fake tubing Steve, used Tygon on my petrol gardening tools and models trouble free, have a look on web for known UK sellers under petrol tools ?

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