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Vince Frazier
Joined: 10 Jan 2006
Posts: 132
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 Posted: Sun May 25, 2008 6:00 am Post subject: Rocket-List Digest: 1 Msgs - 05/24/08 |
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Jim,
I have pics of 2 wing root vent installations on my website, one is mine. I found that the air volume is fine, but the air is just as hot as what comes in my NACA vents.... about 10 degrees hotter than what comes from under the wing through that NACA vent.
I tried sealing the cowl seams to see if air leaked through them. No effect. Still hot. My opinion is that heated air is getting pulled out of the cooling inlets by those fat prop blades, or is otherwise simply spilling back out. All I know is that in the midwest heat and humidity, the cockpit cooling air taken from anywhere on my fuselage is too hot!
On a Rocket that I am working on now I have added another NACA scoop under the other wing and plan to route the air forward, possibly by running it behind the fuel tank or another route. Haven't decided yet. But unless something convinces me otherwise, there will be no fuselage inlets for cabin air.
Vince
. 08:04 PM - Re: Cockpit cooling (Jim Stone)
________________________________ Message 1 _____________________________________
Time: 08:04:41 PM PST US
From: "Jim Stone" <jrstone(at)insightbb.com>
Subject: Re: Cockpit cooling
Tom,
So the air comes in a hole, does the air flow into a duct at the hole or
after it comes thru the side of the fuselage? Just trying to picture
it. I like this idea more than installing NACAs on my new paint. Do
you have a pic or two?
Thanks,
Jim
---
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_________________
Vince Frazier
3965 Caborn Road
Mount Vernon, IN 47620
812-464-1839 work
812-985-7309 home
F-1H Rocket, N540VF
http://vincesrocket.com/ |
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smokyray(at)yahoo.com
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| Posted: Sun May 25, 2008 4:39 pm Post subject: Rocket-List Digest: 1 Msgs - 05/24/08 |
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--- On Sun, 5/25/08, Frazier, Vincent A <VFrazier(at)usi.edu> wrote:
[quote] From: Frazier, Vincent A <VFrazier(at)usi.edu>
Subject: RE: Rocket-List Digest: 1 Msgs - 05/24/08
To: rocket-list(at)matronics.com
Date: Sunday, May 25, 2008, 8:55 AM
Jim,
I have pics of 2 wing root vent installations on my
website, one is mine. I found that the air volume is fine,
but the air is just as hot as what comes in my NACA
vents.... about 10 degrees hotter than what comes from
under the wing through that NACA vent.
I tried sealing the cowl seams to see if air leaked through
them. No effect. Still hot. My opinion is that heated air
is getting pulled out of the cooling inlets by those fat
prop blades, or is otherwise simply spilling back out. All
I know is that in the midwest heat and humidity, the cockpit
cooling air taken from anywhere on my fuselage is too hot!
On a Rocket that I am working on now I have added another
NACA scoop under the other wing and plan to route the air
forward, possibly by running it behind the fuel tank or
another route. Haven't decided yet. But unless
something convinces me otherwise, there will be no fuselage
inlets for cabin air.
Vince
. 08:04 PM - Re: Cockpit cooling (Jim Stone)
________________________________ Message 1
_____________________________________
Time: 08:04:41 PM PST US
From: "Jim Stone" <jrstone(at)insightbb.com>
Subject: Re: Cockpit cooling
Tom,
So the air comes in a hole, does the air flow into a duct
at the hole or
after it comes thru the side of the fuselage? Just trying
to picture
it. I like this idea more than installing NACAs on my new
paint. Do
you have a pic or two?
Thanks,
Jim
---
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http://www.matronics.com/Navigator?Rocket-List |
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