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website problem???

 
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william(at)gbta.net
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PostPosted: Wed Feb 01, 2006 8:59 pm    Post subject: website problem??? Reply with quote

I'm trying to go to Safeair1's website and I keep getting an error message when I get there.  Anybody else experiencing this???
 
I'm also curious if anybody flying with the Safeair1 static ports could give some feedback on their performance.  Are they accurate???  I know that it looks like a pretty nice kit and user friendly with the quick disconnects but I've been reading in the archives how the flush static kits don't seem to be as accurate as the "dome-type" that Vans offers.
 
Any hints/suggestions???
 
Bill Britton
RV-10 Tailcone


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armywrights(at)adelphia.n
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PostPosted: Fri Feb 03, 2006 9:29 pm    Post subject: website problem??? Reply with quote

Bill,
 
Short answer: I believe that theoretically flush kits should be more accurate
 
If you dig through an aerodynamics manual, you’ll find that as the airplane travels through the air, there is (obviously) a relative wind that travels in the opposite direction, and is even more aligned with the fuselage in trimmed (coordinated) flight.  As this relative wind flows around the airframe, there is a boundary layer that is a certain thickness -- it may be in millimeters or larger or smaller – that lies just off the airframe itself.  If something sticks out far enough from the airframe, it protrudes through this boundary layer and into the slipstream, giving you parasitic drag.  At a minimum you’ll be affecting the laminar flow of the air around the protrusion.  However, if something protrudes slightly from the airframe and not into the slipstream, it enjoys a fairly calm environment, which is why static ports are along the sides of the airframe in most instances.  The “opposite” of the static port is, as you know, the ram air port, or pitot tube.  Vans apparently has done enough research to feel comfortable that their dome-type static ports don’t break the boundary layer into the slipstream.  If it did I’m sure that some kind of a vacuum effect would occur through the static system because then there would be a higher pressure in the static lines than the flow of air over the static port.
 
Rest of short answer:  I just riveted on my safeair static ports tonight.  I didn’t have any issues with their website 2 weeks ago.  I would like to see who out there has a resource for inline drains for the pitot/static system.
 
Rob
#392
Riveting tailcone
 

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Bill and Tami Britton
Sent: Wednesday, February 01, 2006 10:56 PM
To: RV10-list(at)matronics.com
Subject: website problem???

 
I'm trying to go to Safeair1's website and I keep getting an error message when I get there.  Anybody else experiencing this???

 

I'm also curious if anybody flying with the Safeair1 static ports could give some feedback on their performance.  Are they accurate???  I know that it looks like a pretty nice kit and user friendly with the quick disconnects but I've been reading in the archives how the flush static kits don't seem to be as accurate as the "dome-type" that Vans offers.

 

Any hints/suggestions???

 

Bill Britton

RV-10 Tailcone


- The Matronics RV10-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:

http://www.matronics.com/Navigator?RV10-List
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