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Safety matters including stall and AOA warning units

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grahamsingleton(at)btinte
Guest

Posted: Tue Aug 05, 2008 1:07 am Post subject: Safety matters including stall and AOA warning units

Mark

(imho of course) If your SmartASS was couple to AoA it would be even 

better because it would keep you on the correct speed. AoA is 

predictive, ASI is "postdictive " if you see what I mean

Graham



Mark Burton wrote:

 	  Quote: 	
		   



 Folks,



 Although it is neither an AOA system or a stall warner, my SmartASS unit (www.smartavionics.com) will help the 



 The point I am making is that once you are used to using it, taking in and reacting to the information presented by the SmartASS becomes so easy it's almost subliminal. From a flight safety point of view, I believe that is good because it frees up some valuable pilot mental effort and allows the pilot to concentrate more on lookout/spatial awareness.



 Mark

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Mark Burton

Joined: 10 Jan 2006
Posts: 74

Posted: Tue Aug 05, 2008 1:44 am Post subject: Re: Safety matters including stall and AOA warning units

Hi Graham,



From what I read, good AOA information is the ultimate indicator of 

how the wing is doing with respect to airspeed/loading, etc. and, therefore,

is the perfect source of information for not only stall warning but also

maximising aircraft performance.



The problem I have with existing AOA products is the user interface. I won't explain again my thoughts on that, I have expounded them enough already.



As for your suggestion that ASI is "postdictive", I understand what you are saying but when you add G to the equation, you have a (near) 

instantaneous detection of gusts/hamfistedness, etc.  The SmartASS (Mk2) 

is no slower to react than an AOA system.



So, I am not going to make a AOA instrument because:



a - I have no experience in that field.



b - there is already enough AOA systems on the market and I couldn't 

hope to compete with those mature products (even though, I believe

they all could be improved in terms of their UI).



c - for approach stall/spin avoidance, the airspeed+G system provides

adequate protection and doesn't require any extra hardware (no ports

or vanes) apart from the SmartASS box itself.



Cheers,



Mark

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