REFLECTOR: Cooling

Tue Jun 24 10:23:46 CDT 2014

Anyone have experience with VGs on a 173RG with the older armpit scoops? If so please send a pic and explanation.

Appreciate it, Jeff

Thank you, Jeff
TEAM JEFF Real Estate

Jeff Findarle - Realtor, GRI
 PRES.-Wasatch Co Association of Realtors
Darin Heckel - Realtor                     AllStar Realty
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On Tuesday, June 17, 2014 10:41 PM, Velocity Aircraft Owners and Builders list <reflector at tvbf.org> wrote:

>
>
>That is the way I had them before ...... Thanks ....... I guess I will 
>install them the same way again.
>
>Ron
>On 6/17/2014 7:26 PM, Velocity Aircraft Owners and Builders list wrote:
>> If you can imagine which way the vortex is spinning, I believe you 
>> want to place it such that the vortex is captured by the side of the 
>> NACA.
>>
>> I.e., looking at it from the front, the VG to the left of the NACA 
>> centerline needs to angle to the left.
>> http://wiki.velocityoba.com/images/9/90/VV_naca2.jpg
>>
>> On 06/16/2014 11:53 AM, Velocity Aircraft Owners and Builders list wrote:
>>> Like you just got my plane painted. I had VG 8" in front of the nacas 
>>> when in primer and had no cooling
>>> issues. Now that I have paint on it and have not reinstalled the VG's 
>>> yet the temps are a little higher about
>>> 20 Degs. I will be installing the VGs back on to see if it returns to 
>>> my normal temps. MY question
>>> is similar   which is better for installation of VG's with them 
>>> pointing into the wind >    or pointing the direction of the wind    
>>> <    .  Does it make a difference ?
>>>
>>> Ron
>>> On 6/16/2014 11:03 AM, Velocity Aircraft Owners and Builders list wrote:
>>>> Painted 444DX.  I will post pictures when I get some good ones and 
>>>> also send
>>>> them to VOBA.  But smooth paint has changed the airflow around the 
>>>> fuselage
>>>> and I now have cooling issues.  I have the NACA scoops on the top 
>>>> and an IO
>>>> 360 in an SEFG.  Before I painted it, the surface was rough primer.  
>>>> I had
>>>> mild cooling issues before and put some 1.5" scoops at the rear of NACA
>>>> ducts and they seemed to have helped a little, but they were ugly 
>>>> (to me).
>>>> So, with no duct extensions I am overheating on climb out and even 
>>>> cruise
>>>> with the cg forward.
>>>>
>>>> Two questions: 1) I want to try vortex generators.  I already have 
>>>> them on
>>>> the wing and canard, so why not.  I thumbed through the Reflector 
>>>> for the
>>>> last two years and could not find where to place them.  Any ideas?  
>>>> Also, is
>>>> there an easy way to search Reflector other than month to month as I 
>>>> have
>>>> been doing?
>>>>
>>>> 2) In talking to Alan  Shaw (yes I did find him, thanks to those who 
>>>> helped
>>>> on that) and he suggested adding tabs near the root of the prop (3 
>>>> blades,
>>>> fixed pitch, Catto) to draw more air through.  Anyone tried that or 
>>>> have and
>>>> suggestions on size, angle, etc.)
>>>>
>>>> I have now flown over 25 Young Eagles.  They always clamor for rides 
>>>> my Velo
>>>> over the RVs.  Cant imagine why.
>>>>
>>>> PS. I suspect many of you are interested in antique cars. So you may 
>>>> want to
>>>> follow my progress in the Great Race as I navigate a 1932 Buick from 
>>>> Maine
>>>> to Florida, June 21 -29.  This will be my 5th participation in rally.
>>>> Follow my progress on http://www.greatrace.com/ as I get lost in 
>>>> Vermont or
>>>> Georgia.  The results will be posted daily.  I will be in car #61.  
>>>> If you
>>>> look on the site you will see what cities we stop in.  Note that 
>>>> lunch stops
>>>> are very brief, little time to be social, but evening stops are a 
>>>> concurs
>>>> event with much social time.  If I am going to be in a city near 
>>>> you, love
>>>> to meet you and show you the cars (there will be about 100 dating from
>>>> 1910).
>>>>
>>>>
>>>> David Ullman
>>>> N444DX
>>>> President EAA 292
>>>> 541-760-2338
>>>> david at davidullman.com
>>>>
>>>>
>>>>
>>>>
>>>>
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>
>>>
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>>
>> _______________________________________________
>> To change your email address, visit 
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>
>_______________________________________________
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>
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