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Peter

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Everything posted by Peter

  1. That explains the empire, but what about the World Cup?
  2. looks good matty!
  3. Just think though, without them cockroaches would have taken over the world!
  4. Surely no-one would be callous enough to be that?
  5. True, wonder why they dont make a Vent ST? Anyway most employers dont really know or care whether their employees should wear 397s or 12492s.
  6. Justin, if the buckle is the only difference between the vertex and the ST, could you stock the yellow buckles for groundworkers? I think peakless helmets for groundies who work with climbers are every bit as useful as peakless helmets for climbers.
  7. The Vertex ST, easily distinguished by its yellow buckle on the chinstrap.
  8. Nope, custom paint jobs
  9. Ah right, thanks. So the climbers helmet will protect me all the way down the tree, bouncing off branches left and right, then it will catch on the very last stub and strangle me within inches of the ground.......
  10. Peter

    Hitchclimber

    A short hitch system with a slack tender is easier to adjust under load, works more smoothly, and you can remove slack with one hand. A piece of hitch cord is also much cheaper than a spliced split tail, so you dont feel bad about binning it when its worn out. Once you have relearned the body thrust technique to suit a short hitch, it is easier on your body too.
  11. Whats the difference between the aq and the tc? Or have I missed something?
  12. Your dealer should sort it out for you, the actual work is done by the manufactorer.
  13. When will you have a fitting for sordin muffs?
  14. Peter

    Hitchclimber

    How do you find the icetail as a hitch cord? I have a footlock strop in it, but have never got around to trying it anywhere else.
  15. I means i can reach into your computer from here, collect up all your bank details, personal information, and passwords, put them in a large bag marked SWAG, and use them to pay for my next holiday. If I wanted to. See, us Lancastrians dont need roads or canals to invade Yorkshire these days!
  16. Can this thing go any faster? I'm afraid we shant make Wimbledon by noonfall!
  17. I tried a few experiments in my house, the main problem is the volume of air you need to move to make it work. A natural convection system would work, but it would need big ducts, and a definite send and return system for hot and cool air. I cut a hole in the floor above the logburner, and one on the opposite side of the room to allow cool air to re-circulate, but the size of the opening required made it a little impractical for most normal homes. The cat loved it though! Getting the warm air across the house on the same level is more tricky. Warm air collects at the top of rooms, and gets trapped by the walls over doors. You can put in vents over the tops of doors of course, but I dont think they would be sufficient. A system using a fan to push the air around the building would be the most effective I think, but it would obviously need building in.
  18. Is that one of your overworked groundies in your avatar pic?

  19. Any chance of a pic? Sounds interesting! I had a look at one of my 5 tonne ratchet straps today, the 5 tonnes is MBS, the SWL as a load tie down is 2.5 tonnes, but in a rigging situation you should apply a greater safety factor. In short, it wont be up to the job, but you already know that! Chain ratchet could work, but why not use the right tool for the job and get a sling?
  20. If it was fitted by a plumber it will almost certainly be an open system and will not require a pressure relief valve.
  21. Ah, this was on a closed system, like you have with a modern combi boiler, and I always ran it on quite a low pressure, just under 1 bar, with an expansion vessel to iron out the hot/cold fluctuations. I think the key is to have plenty of radiator as a heatsink in the system so it never gets too hot, and always run the circulation pump fairly high so heat doesnt build up in the back burner. Probably makes the log burner less efficient though. If I ever want to heat a whole house with a log burner again, I will be looking into warm air circulation rather than a radiator system.
  22. Supposed to. I did the first 2 metres in copper, then onto the plastic. Once the circulation pump was working it ran fine. To blow a hole in plastic pipe you need a fair pressure and about 120 degrees C, which is a tad warmer than i like my radiators!
  23. I always find the lowering part of the exercise a bit jerky on the winch drum with the grcs. The ratcheting drum of the Hobbs is a far superior animal for this particular job, you can whip all the slack out as the piece goes over, just as you say, but letting the piece run and bringing it to a controlled stop is much much easier.
  24. You can run a pressurised system with a safety valve or a traditional open system off a backboiler. The safety valve is fairly important though, I have a couple of sections of speedfit pipe with big holes in them to prove it!
  25. Nice work. Digital delay is a bitch! The first flying top is the most dramatic, but also the least likely to be captured for posterity!

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