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h&jeuropa
Joined: 07 Nov 2006
Posts: 645
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 Posted: Mon Mar 14, 2022 9:36 am Post subject: What did you do with your Europa this week, 3/14 3/21 |
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Starting thread for this week.
Forecast is for temps in the 50s this week so snow should be done and we can fly again. Looking forward to it!
Jim
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Area-51
Joined: 03 May 2021
Posts: 391
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| Posted: Wed Mar 16, 2022 8:42 am Post subject: Re: What did you do with your Europa this week, 3/14 3/21 |
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Went back into the digital world between helping clean up flood damage and waiting for flying conditions to improve.
Decided to see what wing root flares do in cruise config at 100kt and 0deg attitude; short answer, not a great deal... they look pretty and clean up the air flow. The gains in drag reduction are minor compared against standard factory config. If anything they probably reduce noise; smidgen of drag reduction and lift increase.
Remodelled the canopy slightly to match actuals closer; thought the sleeker rake would improve performance; surprised to see the data go the other way... and that may change again once an active spinning prop gets introduced into the solution.
So then both models went back into solution at 3deg attitude at 100kt; very different story than 0deg attitude above... the flares provided a drag reduction from 65kg to 45kg with reduced turbulence passing over the tail plane sufaces and lift increased from 675kg to 790kg... so it would appear wing root flares do indeed make a difference with increased attitude.
Excited to see what happens toward stall angle..
Lismore town and airfield still destroyed...
| | - The Matronics Europa-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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MikeP
Joined: 04 Sep 2016
Posts: 28
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| Posted: Wed Mar 16, 2022 10:28 am Post subject: Re: What did you do with your Europa this week, 3/14 3/21 |
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I have not flown for ages, due Wx and other issues.
Yesterday in what might be call good English Spring weather I spent much of an hour trying out how not to spin whilst practising higher bank gliding turns.
So if I have EFOT I need at least 600ft.
Will try again sometime.
Mike
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h&jeuropa
Joined: 07 Nov 2006
Posts: 645
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| Posted: Sat Mar 19, 2022 5:53 am Post subject: Re: What did you do with your Europa this week, 3/14 3/21 |
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Finally, the weather gods cooperated this week! We did a short flight one day to practice some landings on pavement. They went well.
Another day, we did an hour flight to Owosso, MI, then walked the path along the Shiawassee River to Corunna, MI where we enjoyed ice cream. Tail wind going and head wind returning. Our new dog Finn did really well with this adventure. He really likes to look out the window.
Jim & Heather
| | - The Matronics Europa-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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