REFLECTOR: VG for naca scoop.

[Ron Brown]

I have done something similar - mine are made of 1/2" aluminum, placed about 2" in front of the ramp.  I didn't see a 20 degree improvement but I did see about 10 or so.  Perhaps I need to move mine a bit further forward.

Ronnie
  ----- Original Message ----- 
  From: Laurence Coen 
  To: Velocity Aircraft Owners and Builders list 
  Sent: Wednesday, March 19, 2008 1:03 PM
  Subject: Re: REFLECTOR: VG for naca scoop.


  Jim,

  I have a standard Elite with a Franklin engine.  When I first started flying, I had marginal oil cooling.  I installed two VG's about 4" ahead of my oil cooler inlet. I made them out of 3/4" aluminum angle, 1" in length.  They are angled nose in about 10 deg. and spaced 1.5" apart.  This lowered my oil temperature 20 deg.

  Larry Coen
  N136LC
    ----- Original Message ----- 
    From: Jim & Sharon Beck 
    To: Velocity Aircraft Owners and Builders list 
    Sent: Tuesday, March 18, 2008 3:55 PM
    Subject: REFLECTOR: VG for naca scoop.


    Can anyone tell me how far ahead of the oil cooler scoop to place the vgs to increase flow, also I want to put some ahead of my cabin ventilator on the bottom of the pan as I'm not getting much flow out of the vents in the back seat.
    Any thoughts would be appreciated.
    \Thanks
    Jim  
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