REFLECTOR: Roof NACA's

Rene Dugas dugasd at bellsouth.net
Wed May 4 17:13:11 CDT 2005


I have 300 hrs with no cooling problems with NACA's made 1 inch wider
than recommended.  Usual Oil temps with two coolers is < 182 even with
10 thousand foot climbouts.
Rene'

-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Scott Derrick
Sent: Monday, May 02, 2005 7:56 PM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: Roof NACA's

Jorge,

many thanks...

Scott

Jorge Bujanda wrote:

> Scott,
> I don't know if yours is an XL or a Std but my kit is an XL and my 
> scoops were installed at the Service Center.  They are 21 1/4" NACA 
> centerline to centerline, or 10 5/8" NACA centerline to fuse
centerline.
> Hope this helps.
>
> Jorge Bujanda
> XL FG
> Palmdale, CA
>
>
>
> Scott Derrick wrote:
>
>> Maybe I wasn't clear about this.
>>
>> I didn't ask how to build the NACA's, I have them, I asked how far
apart
>> they should be..
>>
>> Scott
>>
>>  
>>
>>> FYI - I had similar questions about the roof NACA scoops a few weeks
>>> back. I called Velocity about two weeks ago and they sent me the
paper
>>> templates & instructions on how to build them... for FREE!  Now
that's
>>> good support!
>>>
>>> Joel Carruth
>>> Lockheed Martin
>>> JSF - Pilot System Software
>>> W: (817) 763-4337
>>> Fax: (817) 777-8378
>>> joel.l.carruth at lmco.com
>>>
>>> -----Original Message-----
>>> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org]
On
>>> Behalf Of michalk
>>> Sent: Monday, May 02, 2005 8:34 AM
>>> To: Velocity Aircraft Owners and Builders list
>>> Subject: Re: REFLECTOR: Roof NACA's
>>>
>>> This is a spreadsheet developed by a Reflectorite:
>>> http://www.tvbf.org/docs/nacascoop1.1.xls
>>>
>>> I don't remember who wrote it.  Someone pipe up for this credit.
>>>
>>> It will plot the layout of your NACA so that you can cut it out
>>> yourself.  Easy to make.
>>>
>>> KeithHallsten wrote:
>>>   
>>>
>>>> Scott,
>>>>
>>>> My kit came with the armpit scoops, but I made the top NACA scoops
>>>>     
>>>
>>> using
>>>   
>>>
>>>> dimensions provided by Velocity.  I don't have my notes on that at
>>>>     
>>>
>>> home, and
>>>   
>>>
>>>> won't be back to the hangar until Tuesday at the earliest, but the
>>>>     
>>>
>>> factory
>>>   
>>>
>>>> guys should be able to give you the
>>>>     
>>>
>>> fuselage-centerline-to-scoop-centerline
>>>   
>>>
>>>> measurement.  You will probably need to get the molded ducts
(runners)
>>>>     
>>>
>>> from
>>>   
>>>
>>>> the factory, anyway.
>>>>
>>>> Keith Hallsten
>>>>
>>>>
>>>> ----- Original Message -----
>>>> From: "Scott Derrick" <scott at tnstaafl.net>
>>>> To: "Velocity Aircraft Owners and Builders list"
<reflector at tvbf.org>
>>>> Sent: Sunday, May 01, 2005 7:42 PM
>>>> Subject: REFLECTOR: Roof NACA's
>>>>
>>>>
>>>>
>>>>     
>>>>
>>>>> Sorry folks I forgot to change the Subject line.
>>>>>
>>>>> Roof NACA's.
>>>>>
>>>>> I need to cut the holes in the roof to install the NACA's. My
plane
>>>>>       
>>>>
>>> was
>>>   
>>>
>>>>> a updraft, and the instructions say to cut out the pre-marked
holes
>>>>> which I don't have.
>>>>>
>>>>> Anybody know the spacing side to side, or center to center I
should
>>>>>       
>>>>
>>> use?
>>>   
>>>
>>>>> Scott
>>>>>
>>>>> _______________________________________________
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>>>>
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>>>>
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>>
>>
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>>
>>  
>>
>
>
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>
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