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andypugh

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andypugh last won the day on June 1 2018

andypugh had the most liked content!

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About andypugh

  • Rank
    Warrant Officer 1st Class

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  • Location
    Essex
  • Interests
    Solid tyres and pre-1920
  • Occupation
    Diesel engine development

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  1. Aye, I know. My Ner-a-Car has one, which is what prompted the question.
  2. Is that an artfully aged age-related plate? If so, it's well done.
  3. I had a motorcycle with a centrifugal oil cleaner, it looks like your cranks has the same feature, but rather by accident. I suspect that the build-up would never block the oilways, but would only collect in the blind bores under centrifugal force.
  4. I am surprised you are not suggesting machining from solid with some extreme thread cutting on a Myford :-)
  5. I have always found Lee Spring to be helpful. They advertise that they make custom springs. I got a wave spring from them, they insisted on sending a sample, and when I pointed out that I would only ever need one, they said that was fine. I assume from what you say that you have tried putting your parameters in their spring finder? https://www.leespring.co.uk/uk_compression_spec.asp?springType=C&subType=H&forWhat=Search You could consider buying oversize and grinding down on a mandrel.
  6. I would have no qualms putting that back in to service. Not that I am any kind of expert. But, what fraction of the bearing surface is missing? 2%?
  7. Probably post WW1, but I just saw this on a Youtube video: https://youtu.be/MbIlBZmZ4Xs?t=333
  8. Cast iron crank-case? I was surprised by that, so far I have only seen (or noticed the material of) Aluminium (Dennis, for example) or Bronze (FIAT) crank-cases of that period.
  9. It seems likely that it could be made, though one might expect it to decompose again (200C, again according to Wikipedia) https://en.wikipedia.org/wiki/Phosgene And that would lead to the emission of CO and Cl, neither of which are particularly good for you either. Though all three gasses probably beat being on fire.
  10. I think it's worse than that, the gas created is Phosgene. Though Wikipedia suggests that the direct toxicity (to the liver) is just as bad, and it's an ozone-depleting gas too.
  11. All authentic features of a WW1 truck 🙂
  12. My own opinion (and it is worth exactly what you paid for it) would be that if you have the early pistons then they should be kept precisely because of that. I doubt that oil consumption is a significant expense in the context in which you will be operating the vehicle.
  13. I think that it is normal for the ring lands to taper a few thou (in steps). The area above the top ring runs a lot hotter than the skirt.
  14. I am guessing it is too complete and not enough of a challenge for your team?
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