Recent content by malc9141

  1. M

    Combined dry sump and pressure delivery pump, UK

    Thank you. I also found QED motors but I think its Burton I'm after!
  2. M

    Combined dry sump and pressure delivery pump, UK

    Hi guys I saw on Google a pump like the usual Ford gerotor (eg old Cortina etc) type. But it had four orifices for scavenging oil (to tank) and also supplying oil to the filter. I can no longer find it and want to have another look. Anyone know who makes this? Thanx. (Might be wrong page here...
  3. M

    Towards a two-stroke turbodiesel aero engine

    I've put some stuff about supercharging on a blog at malcolmcochran.wordpress.com if anyones interested.:amuse:
  4. M

    Towards a two-stroke turbodiesel aero engine

    Re post 92. Doesn't help. Of course I know about other two stroke diesels. The first diesels were two-strokes. Of interest, maybe, what won WW1? Not the usual answer. It was Henry Ricardo's tank which simply made trench warfare out of date at a stroke. Powered by his two-stroke. Do you know the...
  5. M

    Towards a two-stroke turbodiesel aero engine

    Well, sincere thanks for that. I didn't know this for certain but our plan is exactly that. Wilksch, with whom I was involved, has some engines flying but they suffer from weight because of a high cylinder block. The Jumo engine was very efficient but very complex. It had two cranks, needing...
  6. M

    Towards a two-stroke turbodiesel aero engine

    Just re-capping. I took a Petter AC1 single cylinder engine base and designed a completely different head to operate the rig as a Two-stroke. Indeed it looked a bit like a VW Golf set-up, but it was designed entirely from first principles. The reason for the two-stroke idea is three-fold: 1)...
  7. M

    Diesel Fuel Filter

    Renault Clio diesel, 2002, fuel filter housing has four nozzles. Two have green spots, there's a red and a white. I think the fuel exits from the central white nozzle. It comesfrom the tank into the filter at either green one. Surplus fuel returns to the tank from the red one. The...
  8. M

    Towards a two-stroke turbodiesel aero engine

    Well, fair comment. But it is a recognised way of making a "big" compressor avoid getting stuffed when it can't provide forward flow. In a nutshell, I thought if a portion of the air is fed back to the sealed intake plenum (wait for clarification!), it would add to intake energy and get an extra...
  9. M

    Towards a two-stroke turbodiesel aero engine

    Thanks. Some diesel experts said I'd be lucky even to get it running. It's been as hard as I expected. Things that seemed impossible were relatively easy, things I assumed would work were not. I have had a journey with numerous very steep learning curves, ranging from elementary thermodynamics...
  10. M

    Towards a two-stroke turbodiesel aero engine

    I am working with a bypass of air to increase flow - hoping to get more pressure This is not helping as I 'd hoped. :blink:
  11. M

    Towards a two-stroke turbodiesel aero engine

    Well, thank you. Thermodynamically, it is a great mystery that with a centrifugal supercharger (which is in place) the air density (that I need) is proportional to air pressure, but air pressure is determined by air flow. Not the other way round. This is strange. You'd think you'd get pressure...
  12. M

    Towards a two-stroke turbodiesel aero engine

    The saga continues. But it doesn't look good in a real sense ; I mean I wanted this really to be up-scaleable, not a joke in a shed. yet 1) We began to test ignition. We have 5 tiny injection holes in the injector, arranged very precisely at 72 deg, pointing down at 20 deg. We aim them...
  13. M

    Two stroke diesel: Build a simple ECU ??? Do-able, or not?

    My note above was for Grizbear. And then I lost it and re-wrote it. (We're getting mixed up). Malc
  14. M

    Two stroke diesel: Build a simple ECU ??? Do-able, or not?

    Hi Wayne It's too much detail to swallow but: malcolmcochran.wordpress.com/2010/06/30/electronic-circuit-for-a-delphi-direct-fuel-injection-system/ Malc
  15. M

    Two stroke diesel: Build a simple ECU ??? Do-able, or not?

    Thanks, that's most helpful. You might know that the First World War (1914-18) was won, not by the usual stories, but because Henry Ricardo invented a steel tank and a two-stroke CI engine to power it (The Tank) which ended trench warfare instantly and allowed advances at last. Ricardo...

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