Glasair-List Digest Archive

Tue 09/24/13


Total Messages Posted: 5



Today's Message Index:
----------------------
 
     1. 12:31 PM - On bottom stab VG's (mppalmer@aol.com)
     2. 12:51 PM - Re: On bottom stab VG's (Brian Beaird)
     3. 01:02 PM - Re: On bottom stab VG's (Brian Beaird)
     4. 04:28 PM - Pre Purchase Inspection and Training (cynamonb)
     5. 04:32 PM - Old Style Fuel Caps (cynamonb)
 
 
 


Message 1



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    Time: 12:31:53 PM PST US
    Subject: On bottom stab VG's
    From: mppalmer@aol.com
          
      The reason I put VG's on the bottom of the stab was to hold the nose gear o
      ff the ground longer after landing. I didn't like the way I would lose cont
      rol authority halfway thru the roll out and the nose would just drop. (A fl
      ight instructor thing.) I figured the air was probably separating at the hi
      nge line when the elevator was fully deflected up.
      
      I haven't taken the VG's off since I put them on, but my recollection was t
      hat they made an improvement and, like the other commenter here, I can keep
       the nose wheel off the ground well to the end of the roll out now. (But so
      me Glasair pilot with an RG told me at OSH he had tried them after my artic
      le and didn't notice any difference.)
      
      I recall starting at something like 4 inches from the hinge line and workin
      g my way forward an inch at a time until they seemed to "kick in." I stoppe
      d experimenting after that. 
      
      They are stuck on with hot glue and have stayed on thru ice.
      
      I don't see any reason why VG's on the bottom of the stab would improve sta
      ll speed. That would be a wing thing.
      
      Hope this helps,
      
      Mike Palmer <><
      
      


    Message 2

    

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    Time: 12:51:08 PM PST US
    Subject: Re: On bottom stab VG's
    From: Brian Beaird <bwbeaird@gmail.com>
          
      
      > On Sep 24, 2013, at 2:31 PM, mppalmer@aol.com wrote:
      > 
      > The reason I put VG's on the bottom of the stab was to hold the nose gear o
      ff the ground longer after landing. I didn't like the way I would lose contr
      ol authority halfway thru the roll out and the nose would just drop. (A flig
      ht instructor thing.) I figured the air was probably separating at the hinge
       line when the elevator was fully deflected up.
      > 
      > I haven't taken the VG's off since I put them on, but my recollection was t
      hat they made an improvement and, like the other commenter here, I can keep t
      he nose wheel off the ground well to the end of the roll out now. (But some G
      lasair pilot with an RG told me at OSH he had tried them after my article an
      d didn't notice any difference.)
      > 
      > I recall starting at something like 4 inches from the hinge line and worki
      ng my way forward an inch at a time until they seemed to "kick in." I stoppe
      d experimenting after that. 
      > 
      > They are stuck on with hot glue and have stayed on thru ice.
      > 
      > I don't see any reason why VG's on the bottom of the stab would improve st
      all speed. That would be a wing thing.
      > 
      > Hope this helps,
      > 
      > Mike Palmer <><
      > 
      > 
      >  
      > 
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      > 
      


    Message 3

    

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    Time: 01:02:49 PM PST US
    Subject: Re: On bottom stab VG's
    From: Brian Beaird <bwbeaird@gmail.com>
          
      Mike
      Good point. Guess I mis-spoke when I called it a stall speed issue. What I m
      ean is I think the GI stab/elevator loses authority at a higher speed vs the
       GII stab would, and as a result the nose drops and the a/c descends, which p
      roduces a similar result as a stalled wing at touch down. 
      
      I've concluded keeping a little power on at touchdown helps break the descen
      t and maintain elevator authority...
      
      
      > On Sep 24, 2013, at 2:31 PM, mppalmer@aol.com wrote:
      > 
      > The reason I put VG's on the bottom of the stab was to hold the nose gear o
      ff the ground longer after landing. I didn't like the way I would lose contr
      ol authority halfway thru the roll out and the nose would just drop. (A flig
      ht instructor thing.) I figured the air was probably separating at the hinge
       line when the elevator was fully deflected up.
      > 
      > I haven't taken the VG's off since I put them on, but my recollection was t
      hat they made an improvement and, like the other commenter here, I can keep t
      he nose wheel off the ground well to the end of the roll out now. (But some G
      lasair pilot with an RG told me at OSH he had tried them after my article an
      d didn't notice any difference.)
      > 
      > I recall starting at something like 4 inches from the hinge line and worki
      ng my way forward an inch at a time until they seemed to "kick in." I stoppe
      d experimenting after that. 
      > 
      > They are stuck on with hot glue and have stayed on thru ice.
      > 
      > I don't see any reason why VG's on the bottom of the stab would improve st
      all speed. That would be a wing thing.
      > 
      > Hope this helps,
      > 
      > Mike Palmer <><
      > 
      > 
      >  
      > 
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      > 
      


    Message 4

    

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    Time: 04:28:46 PM PST US
    Subject: Pre Purchase Inspection and Training
    From: "cynamonb" <cynamonb@aol.com>
          
      
      I am the former owner of a Glasair 1RG. I have been 
      looking at a TD for sale in South Florida. Looking for 
      someone to do a pre-buy and someone who can 
      transition training in a TD.
      
      Thought I'd try here too!
      
      Thanks
      
      Bruce
      
      --------
      Bruce
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=409157#409157
      
      


    Message 5

    

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    Time: 04:32:56 PM PST US
    Subject: Old Style Fuel Caps
    From: "cynamonb" <cynamonb@aol.com>
          
      
      Anyone know where to get one?
      
      --------
      Bruce
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=409158#409158
      
      

    

    


    

    

    

    

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