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Brett

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Brett last won the day on February 9 2015

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About Brett

  • Rank
    Well-known member
  • Birthday 24/06/1974

More Information

  • Aircraft
    Sonex
  • Location
    Geraldton
  • Country
    Australia
  1. Ok I will,, I really wanted to keep it simple though. Fixed fitch and standard spinner to avoid unnecessary cowling work.
  2. Well picked up with the fuel flow per rpm 🙂 -I have yet to fit a return flow sender so fuel flow is not reading correctly -The current (amp) sensor is also not fitted so defaults to that number. -Running the recommended Sensenich fixed pitched prop,, (has too much pitch) -Airspeed indicator was calibrated during my initial 40 hours test period and deemed to be within tolerances and also by flying the square and recording numbers and so on at all different heights etc etc. I have only just started to do the new testing required for phase 1 ,,, I will revisit it but as nothing has been changed in regard to instruments or airframe besides engine so I doubt it’s reading incorrectly. It’s definitely a bit faster with this engine over the Aerovee turbo but not by lots. What I’m mostly worried about is the temp rising when waiting on the hold point or something like that... I need some form of better airflow on the ground. This is why why we have the test period to get the bugs sorted.
  3. Well that’s somewhat reassuring,,, I was thinking mine were overly high. Still very early days in my test flights though. Problem is if I ground run even for relatively short times it just continues to rise rather rapidly,,, in the air though temps come down.
  4. I’ve read the Rotax manual and know the max temps and so on but I’m chasing actual in field CHT temps. At what point would you start to think the engine is getting on the warm side? I’ve just installed a 912 and only have 2.1 flight hours on the (second hand) engine. I’ve only ever flown Rotax’s before mainly in Tecnam’s where they run nice and cool. What temps do people usually see in flight and climb? Thanks 🙂
  5. Brett

    Brett

  6. Exhaust is all made and done.. Thanks for the reply however... ?
  7. Found some... $100 for all the bends.. $50 for the tube... Thanks for responding though ?
  8. Does anyone know of a place to source 30mm pipe, bends and elbows in stainless suitable for an exhaust system? I’m not sure if Rotax uses 304 or 316 either. I have a complete system already however it doesn’t fit my airframe so I need extra pipe and bends so on to weld a suitable system together. -Brett
  9. That is the plan to temporarily fit a sensor to the exhaust but assumed someone may know off the top of their head... I'm sure I wouldn't be the first to try this.
  10. Does anybody know if the exhaust temps are still high enough after a turbocharger to be vaible for a smoke system? Obviously injecting oil into the exhaust before the turbo you have back pressure plus other issues also.
  11. Add about $200 to that us$ price to get one in Australia through
  12. Sonex cowls dont leave much play room.
  13. Well Unfortunately I cant fit the balance master into.my cowling without major modifications and that will make it look stupid also... well, back to the drawing board. Static balancing and throw in a dynamic one after that.
  14. I've been in Contact with Danny, he did mention a figure it will balance to but it alludes me atm.... its a reasonable amount though I felt. I'm going to measure my cowl up this weekend to see if it will shoehorn in there..
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