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On Jul 30, 8:46*am, "Ken Kochanski (KK)"
wrote: The performance claims look extremely good ... is this plausible ? http://www.dg-flugzeugbau.de/mandl-absaugung-e.html KK Thanks for posting this! Sounds plausible to me, but what do I know? I DO know that at 70 knots, opening the vent in my Speed Astir (AKA the 'Grob Solar Sauna) will drive the altimeter down 100' instantly, so there is positive pressure to deal with. I also know that I have a perfect spot to make an 'experimental' vent that is completely removable. Increasing airflow in the cabin is more important to me than the performance gain. |
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