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geoffbeaumont last won the day on October 10 2017

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About geoffbeaumont

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    Back at the oars

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    Wellington, Somerset

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    Avoiding computers (I work in IT). Caving, hillwalking (no bobble hat), youth work and fixing Land Rovers. No time for any of those those, though - too busy fixing the shed of a house we bought...

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  1. If you’re after a camp mattress....

    We have an Outwell Dreamboat double self inflating mattress. Spendy (you can get them cheaper than that), and I don’t know if it will fit in the back of a Land Rover, but incredibly comfortable. I’d honestly say it’s better than our bed at home! It’s other down side is that it doesn’t pack down that small (it’s 12cm thick, so not likely to...).
  2. Venturing off road again.......

    Definitely not standard on lower end early P38s - the DT I had (i.e. lowest of the low) had no traction control at all.
  3. Range Rover Classic Seat Replacement

    But aren't likely to be an upgrade on the comfort front. Even from a knackered range rover seat....

    But... There's a very good chance the prop was removed because the viscous coupling in the centre diff is seized. So bolt the prop on and check - although I'm sure this is all done and dusted long ago.
  5. Potential purchase

    It's likely to have been on coils from the start - EAS was an option from '93 on, but I've only ever seen it on high spec V8s. Not saying you couldn't get it on a diesel - but I've never come across one.
  6. Do NFU still have a policy of only covering farm (or at least rural) based vehicles? I used to use them but then one year they told me they wouldn't be able to offer a policy when it came to renewal as the underwriter was pulling back from offering general motor insurance to their core market of agricultural users. The local office I used weren't at all happy as they were losing a lot of business because of it... That was a good few years back, though.
  7. Strictly speaking gas and vapour are not exactly the same thing, but for the purposes of this discussion it makes no difference - dictionary definition here if you care enough. Liquefied Petroleum Gas (LPG) - mostly propane - is actually a bit of a daft name, because once it's liquefied it isn't a gas any more.
  8. Gas and vapour are the same thing... If it's injected in the gaseous phase then there's no charge cooling happening. Propane (and hydrogen) are gases at ambient temperature and pressure. They're stored under pressure as liquids, but when released from the pressurised container they expand to gases again (it's this expansion, which requires a significant input of energy, which causes the cooling - fridges use exactly the same principle). If the propane is kept pressurised until injected into the inlet manifold or cylinder (liquid injection), then the expansion and hence cooling occurs there and you get charge cooling. If the expansion happens beforehand and then the propane is injected as a gas (the more common vapour/gas injection) then there's no charge cooling as the cooling happens at the vapouriser (and in fact you normally have to pump hot engine coolant around the vapouriser to prevent it freezing).
  9. The gas will have a cooling effect (which can be significant) if you're injecting it directly into the inlet manifold or cylinder as a liquid (that may be the case with these kits? Not sure). However, if it passes through a vapouriser and is then injected in gaseous form you lose that benefit entirely. Most LPG kits inject in gaseous phase (there are some that inject liquid LPG, though they're not popular in this country). Although if what you've been told about the fuel consumption of these kits is correct then the charge cooling from it will be negligible - you just aren't injecting enough LPG to get significant cooling.
  10. Your diesel will burn very nicely in pure oxygen too However, you'll need a hell of a lot of it and like the acetylene it'll burn seriously hot and probably destroy your engine... With LPG or hydrogen you're introducing another fuel, which either raises the combustion temperature or burns more evenly with the aim of achieving more complete combustion of the diesel. Which works - but it isn't a free lunch. You're adding complexity to the engine, and a dependency on an additional fuel source (if you're filling up with compressed gas) - which may be a trade off you're happy with. In the case of generating hydrogen from water on board you have to generate the energy to do this, and the basic physics involved at each stage means you finish up at a loss. Making hydrogen is very energy expensive - the main reason there's been little in the way of developing hydrogen fuelled vehicles (which are very clean) is that we haven't yet come up with an affordable and non-environmentally destructive way of generating the hydrogen, even at industrial scale.
  11. I suppose it could make the exhaust emissions cleaner (reduce particulates) - but it will increase fuel consumption, so total carbon emissions will increase, and whether there's a net gain in local air quality I wouldn't like to say (even if there's a lower percentage of particulates in the exhaust gases, you're producing more of them to do the same work - so there may be no reduction in the overall quantity of particulates produced).
  12. Fitting a Log Burner in a garage

    To be fair, even in a small town like I live in, in the wrong weather conditions you can get a lot of smoke at street level, especially early on when everyone is first lighting up their stoves (okay, some could still be open fires - but I don't know anyone round here who has an open fire). Our stove is a smokeless zone certified one, and with decent fuel it burns pretty cleanly - but, it will only do that once it's up to temperature, and if you burn rubbish you get unpleasant smoke (before last winter I got the chimney sweep in for the first time since installing it - couple of seasons of use, but nearly all decent, dry hardwood. He had a look and told me it wasn't worth sweeping. I burned a lot of rubbish wood last winter, and there was plenty to sweep this summer!). So, yes burning wood is a lot more renewable - but even with modern stoves it's not good for local air quality. Probably not a problem here most of the time, but anywhere with a high population density?
  13. Shelving

    That turns out to work very nicely - finishes up with the new bolt holes comfortably clear of existing ones. Only got as far as marking up tonight, though. Cheers! Should've thought of that myself.
  14. Forum Logo - Show off your graphic design skills

    Thanks all - we'll sort this out and get a poll up in the next few days
  15. Shelving

    Hmm...possibly, yes. I'll look at that.

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