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  1. Markproa

    Cheapest solution for Mode C Transponder and ADS-B?

    Meanwhile, here in Australia, we can use SkyEcho2 https://www.uavionix.com.au/skyecho2/
  2. Markproa

    Raptor Composite Aircraft

    Can you cite that again, as a diesel flyer I'd like to read that? M
  3. Markproa

    Lowest cost AHRS EFIS/6 pack replacement?

    I keep hearing about tablets overheating and it is always in reference to iPads. I have never had any of my android tablets overheat. Is it it just an iPad thing?
  4. Markproa

    Spar cap material

    I I too can vouch for Colan, a very professional mob who I've been using for 20 years including quite a few large multihull yachts and a number carbon masts. Many of those masts are free-standing (no standing rigging) up to 17m (55'). And they're all still standing!
  5. Markproa

    Lowest cost AHRS EFIS/6 pack replacement?

    What's the beef with MGL? I have ordered an MGL Vega fuel totaliser guage so I'm interested.
  6. Markproa

    Variable geometry turbo

    I was thinking about getting some advice from these guys
  7. Markproa

    Variable geometry turbo

    I have a lever next to my throttle lever which was I originally intended for pitch trim (now controlled with a servo). I have arranged it to have plenty of control swing with very little movement at the cable and a tension spring at the turbo to remove any slop in the cable and a breakage will...
  8. Markproa

    Variable geometry turbo

    Thanks everyone, all very helpful. Today I installed a control cable to my turbo and intend to do a whole load of ground testing. I suspect I'll be finding an ideal "set" position for take-off that will do for most flying however it will be interesting to experiment with increased boost at...
  9. Markproa

    Push-Pull control tube fabrication

    If it was a yacht we would epoxy (with flock) a nut or two into the end with maybe a rivet into the plug to prevent it loosening. Not sure if that is acceptable in an ultralight. Mark
  10. Markproa

    Variable geometry turbo

    If there is one thing I've learnt about diesels over the last couple of days it is to forget everything I know about petrol engines. Thanks Bilski and PMD, you have increased my understanding 100 fold, along with a load of other reading I've done. I also received a reply from Serge. He says at...
  11. Markproa

    Variable geometry turbo

    Set and forget sounds good: I don't have any experience with turbo diesels* and I'd want to know that locking the turbo vanes without a wastegate won't risk an over-boost situation. I've got more than enough HP with this engine so not scrounging for the last ounce: I'm more interested in...
  12. Markproa

    Variable geometry turbo

    The engine is in a Gazaile 2 designed by Serge Pennec who also designed the Dieselis you mention. Goal-Economical/fastish 135knot cruise. Around 95HP 3800rpm PSRU- tooth belt 1.66 reduction (same as Dieselis) Torque limiting device: Flexible rubber coupling Fixed pitch - coolant limitations-none...
  13. Markproa

    Variable geometry turbo

    My converted engine is a Peugeot 1600cc DV6 Turbo diesel. I have just realised the original turbo is variable geometry so hence no wastegate and the actuator electronically controlled. My problem is that I've done away with all the electronics and I'm running a mechanical distributor pump...
  14. Markproa

    Could I do this aviation job?

    No, not at all. The irony is that you seem to think you have her all worked out and are ready to put her in her place when, if she is a troll as you claim, you have jumped straight into her trolling net. Troll:........................"with the intent of provoking readers into displaying...
  15. Markproa

    Could I do this aviation job?

    Oh, the irony!
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