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Philip Welsch

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About Philip Welsch

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    Senior Crew Member

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  • Location
    Mimbres, NM
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    Male

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  1. Operating limitations for ELSA require notification as experimental on first call up to ATC.
  2. I use experimental Flight Design followed by N number on first call. Flight Design /N number on subsequent calls.
  3. Has the "keep alive" wire been cut? Dynon bulletin some time ago.
  4. Did you notice if the vg's allowed the nose (prop) to be lifted away from the runway at a lower speed than without. Would they be useful reducing prop damage on unimproved runway?
  5. Continuation: During reduced power descent fp returned and remained 4 - 5. Fuel flow during all of this remained normal (5.9 to 6.1 gph in climb and 4.7 to 5.1 cruise (5100 rpm). Never an indication of an engine issue except for the fp. Aircraft attitude changes nothing. The fuel pump has been discharging some small amount of oil during most flights. Brian Carpenter (Rainbow Aviation) indicated in SportAviation, Sept. 2018 oil leakage was an indication of fuel pump Garlock seal failure. Thie pump is two years old. I have a spare pump and that may be my next attempt to resolve the issue.
  6. I have been having a similar issue (2008 LS, 1100 hrs.). Cleaned VDO fp sender and fuel line to it - no change. Replaced sender - no change. Relocated sender - no change. Generally 5.0 to 3.2 psi to about 1500 agl then reduction to as low as 2.2 psi. Returns to 4.0 to 5.2 after a few minutes where it may remain for several hours. Yesterday there was a new trick. After an hour or so in cruise flight (4.0 - 5.2 psi) the fp began increasing eventually to 7.2. It varied from 4.5 to 7.2 for the next 20 minutes.
  7. If you get it back please post procedure. I lost mine after a "Master Reset" of the 496 - ten years ago. I could not get it back. No other issues between the Dynon and the 496.
  8. Interesting. My replacement floats from Lockwood (p/n 861188) weighed new 6.58, 6.57, 6.51 and 6.55 grams each out of the box.
  9. Replaced floats. Leakage stopped. Two of the removed floats weighed more than 7 grams (7.13 and 7.07). One of these was on each side. These floats weighed 6.5 and 6.6 grams in January. A fuel pressure reduction issue I've had for several months during full power climb (normal flow) apparently also went away. Test flight revealed normal pressure and flow, normal rpm and no roughness.
  10. Fuel draining from airbox drain tube with fuel selector on - engine off. No fuel in carb trays. Floats do not appear stuck. Any suggestions?
  11. Matco Mfg WHLW162L Technical Service Guide REV A 05/08/08, Mounting the Tire and Tube page 12, lines 7 - 11 below the NOTE box.
  12. It's in the Matco instruction manual. You run fishline between tube and inside of wheel with tube partially inflated and wheel halves not tight. You can get all the way around to the valve in both directions. Tighten wheel bolts some and do it again. Do this until wheel halves are too tight to allow fishline movement. Torque wheel bolts and fully inflate tube.
  13. I had similar problem here in New Mexico. Eight ply 400-6 tires, Desser "heavy duty tubes" and the Matco fishline method of tube installation solved it.
  14. I've used 4x600 8-ply from Desser for more than 7 years. I get at least 400 hours and lots of landings between changes. I worry more about the tube condition than the tire and my changes have been to resolve that worry. The 6-ply from Desser would not resist "goat head" punctures (common here on all runways - paved and unpaved) so I stopped using them. The original 4-ply SAVA tires were worthless.
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