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Jonathan Kay

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Everything posted by Jonathan Kay

  1. Jonathan Kay
    More than 9.6V Jonathan
  2. Jonathan Kay
    I should have thought of that... the importance of being Ernst! Jonathan
  3. Jonathan Kay
    What's the voltage on cranking? Jonathan
  4. Jonathan Kay
    You can do it without that assumption from the shift in colour... ... where do megayears come into it? Jonathan
  5. Jonathan Kay
    Composition of "Easy Start" and an alternative version. Jonathan
  6. Jonathan Kay
    There's a single 1/4" Nyloc nut in Pack 30R011A "Rear suspension DeDion Cars (Metric)". Jonathan
  7. Jonathan Kay
    Quoting Mort: I'm a bit confused though because my Seven is red. Maybe it was something to do with Dopler shift.Excellent. Would someone like to estimate the relative velocity? Jonathan
  8. Jonathan Kay
    Have you tried Charles' incredibly useful guide to fastener packs? Jonathan
  9. Jonathan Kay
    Have you found two very useful resources: The Club FAQs Alcester Racing 7s? Jonathan PS: Still think it sounds like a folk duo
  10. Jonathan Kay
    Flash points: Ethylene glycol: 111°C Propylene glycol: 130°C Both are NFPA Flammability class 1 Jonathan
  11. Jonathan Kay
    Why are the temperature readings rounded to 5°C? Jonathan
  12. Jonathan Kay
    Quoting CaterBram Jnr: A normal run at Curb's starting with water at 80 & oil at 90 will see the oil peak at around the 115 mark over the finish line with water around 90.Thanks for the follow-up data. What was the ambient temperature on the two days? How are you measuring the temperatures? Jonathan
  13. Jonathan Kay
    Imagine a pocket of air in a compartment above the fluid that's flowing from the pipe to the exit through the nipple. See also cooling systems. Jonathan
  14. Jonathan Kay
    Think of the warming-up phase and the steady state as being two different things. Here's a thought experiment that might help. You could always slow the warming of the oil by bolting on another well-insulated reservoir of oil. But that wouldn't affect anything in the steady state. Jonathan Edited by - Jonathan Kay on 3 Apr 2013 15:24:07
  15. Jonathan Kay
    That's great, Ed. I still need a few more to be able buy the next batch of 25. Jonathan
  16. Jonathan Kay
    The sun is shining: We should be making hay. Just order a few more And they'll soon be on their way. Jonathan
  17. Jonathan Kay
    Nearest marine store. Online: MarineStore £24.99 eBay £21.99 but I don't know why it's 292i rather than 292 Jonathan
  18. Jonathan Kay
    That's where I'd seen the PVR metal bracket at £26! It's only £14 in Andy's linked page. Jonathan
  19. Jonathan Kay
    Thanks. My predictions: 1 They make two types of products, one which is based on propylene glycol and one which is based on a mixture of ethylene glycol and propylene glycol. Both have very low water content. 2 + Corrosion inhibitor 3 + Something like fomepizole to decrease the toxicity of the ethylene glycol 4 + Wetting agent. Jonathan
  20. Jonathan Kay
    Yes. I was wondering whether they were adding fomepizole. That's used clinically to slow the metabolism of both ethanol and ethylene glycol. We don't yet know whether that's a better approach than giving ethanol. Jonathan
  21. Jonathan Kay
    Thanks, Tim. That's for "NPG+" and says Ethylene glycol 66 to 70% Propylene glycol Water <0.10% Proprietary corrosion inhibitor package <2% But the current Evans FAQs include:Is Evans Waterless Coolant toxic? A. No, Evans Waterless Coolants contain Evans patented DeTox™ additive and has been classified as Non-Toxic by an EPA certified laboratory. However as with all chemicals, do not consume. Keep away from children. Avoid contact with eyes and skin. Rinse hands and eyes with water after incedental contact. That non-toxicity isn't compatible with anything containing 66% ethylene gycol. Jonathan
  22. Jonathan Kay
    You could ask Ratrace in Potters Bar. Jonathan
  23. Jonathan Kay
    *arrowup* *arrowup*Me too. Presumably it's because of commercial confidentiality. I hoped I'd be able to find it from the safety sheets but I can't. Would only take about an hour on a GC or TMS to analyse... Jonathan
  24. Jonathan Kay
    Quoting Mad Hatter: It is not Propylene Glycol.That is the safe coolant that is water based. Evans Coolant is not water based.Propylene glycol isn't water-based. You can mix it with water to make a useful engine coolant with good antifreeze performance. Jonathan
  25. Jonathan Kay
    Quoting Nigel Fox: I don't think it's propylene glycol. According to the info posted by MereCat it's specific heat capacity is around half that of water so wouldn't have the benefits, also it's boiling point and freezing points don't match.Evans quote a working range of -40°C to 180°C and a boiling point at 1 atmosphere of 180°C. The melting point and boiling points of propylene glycol are about -59C and 188.2°C. Am I looking at a different Evans product from the one we're discussing? Jonathan
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