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  #1  
Old 03-01-2021, 08:26 AM
brian257 brian257 is offline
 
Join Date: Jun 2013
Location: Jacksonville, FL
Posts: 148
Default NACA duct

I am searching for a NACA duct for a non-RV for cabin air. Looking at Spruce the ones they sell have horrible reviews about being made with cheap flimsy clear plastic. Looking at race car web sites seems they sell big ducts that won't fit and small ducts for cooling brakes that are too small.

Checked the Vans web site and they sell a VENT SV-1 which may be jsut what I am looking for, but I don't see dimensions and the price seems unbeliveably low at $6.25 when the others I look at cost much more.

https://shop.vansaircraft.com/cgi-bi...ion-components

Can anyone confirm roughly the size of this vent and is this the only NACA duct that Vans sells?
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  #2  
Old 03-01-2021, 08:34 AM
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wirejock wirejock is online now
 
Join Date: Oct 2005
Location: Estes Park, CO
Posts: 4,288
Default NACA

Quote:
Originally Posted by brian257 View Post
I am searching for a NACA duct for a non-RV for cabin air. Looking at Spruce the ones they sell have horrible reviews about being made with cheap flimsy clear plastic. Looking at race car web sites seems they sell big ducts that won't fit and small ducts for cooling brakes that are too small.

Checked the Vans web site and they sell a VENT SV-1 which may be jsut what I am looking for, but I don't see dimensions and the price seems unbeliveably low at $6.25 when the others I look at cost much more.

https://shop.vansaircraft.com/cgi-bi...ion-components

Can anyone confirm roughly the size of this vent and is this the only NACA duct that Vans sells?
Same part number as the two that I installed on my fuse.
Proseal and neodymium magnets.
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Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 01/01/2021, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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  #3  
Old 03-01-2021, 12:47 PM
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Larry DeCamp Larry DeCamp is offline
 
Join Date: Apr 2010
Location: Clinton, Indiana
Posts: 1,066
Default SV1 is a good part

installed two in my RV4 cheek cowls. They are solid, stable and glued to glass cheek cows with epoxy.
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Larry DeCamp
RV-3B flying w/7:1 0320 / carb / Pmags / Catto 3b / digital steam
RV-4 fastback w/ Superior roller 360/AFP/G3X/CPI/Catto3b
Clinton, IN
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  #4  
Old 03-02-2021, 07:44 AM
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Karetaker Karetaker is offline
 
Join Date: Aug 2017
Location: USA
Posts: 194
Default

Howdy Brian. The SV-1 is 8.5" long and 4" wide. The duct connection point is 2" OD. I believe these are the only ones Vans sells.
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Vans RV and Pietenpol Channel
https://www.youtube.com/channel/UCna...sOaZYjSWIGeXlQ

Last edited by Karetaker : 03-02-2021 at 07:48 AM.
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  #5  
Old 03-02-2021, 01:23 PM
brian257 brian257 is offline
 
Join Date: Jun 2013
Location: Jacksonville, FL
Posts: 148
Default

Thanks. I ordered a set today
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  #6  
Old 03-02-2021, 11:02 PM
Aero_Octaveus Aero_Octaveus is offline
 
Join Date: Aug 2014
Location: Edmonton, AB
Posts: 229
Default

If you wanna spend some $$ i believe bonehead composites sells carbon fiber NACA scoops
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RV-7A - Emp and Wings Done. Working on fuse

http://garetsrv.blogspot.ca/
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