Today's Message Index:
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1. 07:00 AM - Re: Rocket-List Digest: 1 Msgs - 05/24/08 (Frazier, Vincent A)
2. 05:39 PM - Re: Re: Rocket-List Digest: 1 Msgs - 05/24/08 (Rob Ray)
Message 1
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| Subject: | RE: Rocket-List Digest: 1 Msgs - 05/24/08 |
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@insightbb.com>
Subject: Re: Rocket-List: 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
----- Original Message -----
From: Tom Martin
To: rocket-list@matronics.com
Sent: Thursday, May 22, 2008 7:38 AM
Subject: RE: Rocket-List: Cockpit cooling
Jim
I pick up my pilot air from a hole in the leading edge.
There is room to get an opening in the faring between the wing and the
fuselage. The air goes through a hole in the fuse and the hose then
goes up the back of the #2 bulkhead. There is lots of cool fresh air
from this location.
Tom Martin
Message 2
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| Subject: | Re: RE: Rocket-List Digest: 1 Msgs - 05/24/08 |
--- On Sun, 5/25/08, Frazier, Vincent A <VFrazier@usi.edu> wrote:
> From: Frazier, Vincent A <VFrazier@usi.edu>
> Subject: Rocket-List: RE: Rocket-List Digest: 1 Msgs - 05/24/08
> To: rocket-list@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@insightbb.com>
> Subject: Re: Rocket-List: 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
> ----- Original Message -----
> From: Tom Martin
> To: rocket-list@matronics.com
> Sent: Thursday, May 22, 2008 7:38 AM
> Subject: RE:
jim, I haven't had Vinces problem on my HR2. My AE buddy stressed location was
critical in getting large vlumes of cool air, which I do.
RR
>
> Jim
>
> I pick up my pilot air from a hole in the
> leading edge.
> There is room to get an opening in the faring between the
> wing and the
> fuselage. The air goes through a hole in the fuse and the
> hose then
> goes up the back of the #2 bulkhead. There is lots of cool
> fresh air
> from this location.
>
>
>
> Tom Martin
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