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Stall strips DA20

Old 11th Nov 2012, 00:22
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Join Date: Apr 2011
Location: Brussels
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Stall strips DA20

Hi all,

I have a question regarding the stall strips of the DA20.

If my sources are correct, their primary use is to encourage the stall where they are mounted.

Besides this, they also create a buffet near the stall which can be felt through the control colums.

Now my question is, why are they mounted close to the wingtip on the DA20 rather than wingroot ? Wouldn't it be preferable, to enhance the stall characteristics of the aircraft to have them mounted close to the wingroot ?

Best regards,

Julien
JulienD is offline  
Old 11th Nov 2012, 08:30
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Join Date: Nov 2007
Location: Melbourne
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Hello Julien

Try posting on the Diamond Aviators Website.

Lots of useful Diamond information there DIAMOND AVIATORS NET, the forum for Aviators of Diamond Aircraft DA20, DA40 and DA42

Good luck

JERR
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Old 11th Nov 2012, 09:37
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Join Date: Aug 2007
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They may be towards the wingtip to induce a wing drop for training purposes. Some aircraft are inherently stable during a stall.
Dick Smyth is offline  
Old 11th Nov 2012, 09:45
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Thanks Jerr for the link. Great forum !
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Old 11th Nov 2012, 10:32
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Is the DA20 a T tail? Maybe it's to ensure a wing drop at the stall rather than having the tail "blanketed" at higher angles of attack with the possibility of loss of elevator control.
Harry Cooper is offline  
Old 12th Nov 2012, 07:21
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Join Date: Jun 2001
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Hi Julien,

Having instructed in Diamond aircraft for years, I think they are in that location for three purposes. They offer some buffet over the aileron for pilot's stall indicator purposes. They guarantee aileron effectiveness right up to the stall by converting a laminar boundary layer into a turbulent boundary layer. They modify the spin characteristics of the aircraft to make it still a good spinner, but consistent and safely so.

Cheers, O8

Last edited by Oktas8; 12th Nov 2012 at 07:22.
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Old 12th Nov 2012, 07:29
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Join Date: Jul 2007
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The real DA 20

The real DA - 20 was the Falcon 20, a delight to fly.

Tmb
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Old 13th Nov 2012, 09:26
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Thank you for the information Oktas8.
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