Today's Message Index:
----------------------
1. 05:28 AM - Treetop RV4... (rob ray)
2. 07:54 AM - Re: RV4 ventilation (Brian Vickers)
3. 11:43 AM - Re: RV4 ventilation (James Baldwin)
4. 12:04 PM - Re: RV4 ventilation (Brian Vickers)
Message 1
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--> RV4-List message posted by: rob ray <smokyray@yahoo.com>
A friend sent me this...enjoy...
RR
http://www.youtube.com/watch?v=ij1qWr99qLE
__________________________________________________
Message 2
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--> RV4-List message posted by: "Brian Vickers" <brianvic@msn.com>
Thanks for your response. Yesterday I ordered the Vetterman pop-out vents.
Like Larry the Cable TV Repairman says, "Time to get er' done!" Thanks
again. By the way, I just viewed that tree top video. That is a University
of Washington Husky emblem/logo on the back of his hat. I suspect he was
flying along one of the many rivers here in Washington. Interesting.
Sincerely, Brian Vickers
-----Original Message-----
From: owner-rv4-list-server@matronics.com
[mailto:owner-rv4-list-server@matronics.com] On Behalf Of rob ray
Sent: Tuesday, May 30, 2006 1:32 PM
Subject: RE: RV4-List: RV4 ventilation
--> RV4-List message posted by: rob ray <smokyray@yahoo.com>
Brian,
All of the previous suggestions work, I have one of each! Over the years
I have tried everything including bypassing my heat muff and running baffle
air into the cockpit. Works fine above 5K but hot down low. Here is what
worked and improved what I had...
An aeronautical engineer looked at my airplane and told me the two
lowest pressure and highest pressure areas, the canopy rail and right in
front of the leading edge of the wing being very low. The bottom of the rear
part of the cowl cheek, fuselage sides above the landing gear and under the
wing, being very high. So, I installed and really like two of Larry
Vettermans pop-out round vents, one right above the throttle quadrant and
the other in front of the back seat on the fuselage 8" below the canopy
rail. I also have three NACA scoops, one on the front lower left fuselage
which like Warren's works well. I also installed two on the canopy rail
before I knew better. One thing that helped both of them was placing VG's in
front of them, 50% improvement in airflow. Hey, I live where it is hot
year-round!
However, the absolute best modification was drilling holes around my
baggage door bulkhead to allow the air to draft out the rear fuselage.
"Sucking the air out" of the cockpit is not a new idea, look at Christen
Eagles. They have reverse NACA scoops. Rear seat passengers tell me they can
lay their hands over the holes and feel the suction at cruise speed.
The aft part of the canopy is very high pressure and a rear facing vent
on the lower part of the back of the canopy fairing on one RV4 reported very
good airflow into the cockpit. He said he got the idea off a T-18. He had a
choke cable to open and close the small door.
Another simple fix to summer heat is to use the RV4's superior
performance and fly above 5K if you go anywhere.
For some great ideas of the canopy taxi position hold-back devices, go to
Doug Reeves website
http://www.vansairforce.com/community/showthread.php?t=7769&page=1&pp=10
You will find alot of great pictures of canopy taxi positions
installations (including mine)...
Good Luck!
RR
"Moore, Warren" <Warren.Moore@tidelandsoil.com> wrote:
--> RV4-List message posted by: "Moore, Warren"
Brian, I put a naca vent (from Van's) on the right side of the fuse. as far
forward as possible and just under the cowl cheek. ran a scat tube to the
lower right side of the instrument panel to an alum. vent....it works just
ok. Also installed a naca vent on the underside of the the right wing,
(like on the RV8's) to a scat tube, to a large 3" vent mounted just forward
of the rear stick, for the rear passenger.....works great! also put a tee
in the rear vent scat tube and ran a 1-1/4 in scat tube to the front seat
(thur the wing spar where the plans show a routing for rear seat heat (I
have no rear seat heat). to a small vent mounted down low by the fuel
selector. When flying solo, I can reach back, close the rear seat vent and
open the front one full, just works great! Still get a lot of air in front
and back when both are open.
I working now on a way to hold my canopy open about 3 inches for
taxi....don't care how many vents you have, on ground its just hot under a
bubble canopy.
Warren Moore
rv4 n223wm, 35 hrs.
-----Original Message-----
From: Brian Vickers [mailto:brianvic@msn.com]
Sent: Monday, May 29, 2006 10:27 AM
Subject: RV4-List: RV4 ventilation
--> RV4-List message posted by: "Brian Vickers"
Hi all,
I am procrastinating over installation of cockpit ventilation. I walk the
rows of completed RV4's at fly-ins, etc. and see many different
configurations for getting air into the cockpit. Everything from holes in
the wing root fairings, NACA inlets placed nearly everywhere, to pop-outs.
Does anyone out there have a system that has worked well for them? I'm also
interested in designs and inlet locations that don't work. I am building a
very simple, light weight manual bird. Thanks for your help in advance.
Very sincerely,
Brian N. Vickers, MAI
RPA
Real Property Analysis, LLC
P.O. Box 11790
Bainbridge Island, WA 98110
Ph 206-780-9814
Fx 206-842-2496
---------------------------------
Blab-away for as little as 1/min. Make PC-to-Phone Calls using Yahoo!
Messenger with Voice.
Message 3
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| Subject: | Re: RV4 ventilation |
--> RV4-List message posted by: James Baldwin <jamesbaldwin@dc.rr.com>
Brian -
Where did you order the vents from? Thx. JBB
Brian Vickers wrote:
> --> RV4-List message posted by: "Brian Vickers" <brianvic@msn.com>
>
> Thanks for your response. Yesterday I ordered the Vetterman pop-out vents.
> Like Larry the Cable TV Repairman says, "Time to get er' done!" Thanks
> again. By the way, I just viewed that tree top video. That is a University
> of Washington Husky emblem/logo on the back of his hat. I suspect he was
> flying along one of the many rivers here in Washington. Interesting.
>
> Sincerely, Brian Vickers
> -----Original Message-----
> From: owner-rv4-list-server@matronics.com
> [mailto:owner-rv4-list-server@matronics.com] On Behalf Of rob ray
> Sent: Tuesday, May 30, 2006 1:32 PM
> To: rv4-list@matronics.com
> Subject: RE: RV4-List: RV4 ventilation
>
> --> RV4-List message posted by: rob ray <smokyray@yahoo.com>
>
> Brian,
>
> All of the previous suggestions work, I have one of each! Over the years
> I have tried everything including bypassing my heat muff and running baffle
> air into the cockpit. Works fine above 5K but hot down low. Here is what
> worked and improved what I had...
> An aeronautical engineer looked at my airplane and told me the two
> lowest pressure and highest pressure areas, the canopy rail and right in
> front of the leading edge of the wing being very low. The bottom of the rear
> part of the cowl cheek, fuselage sides above the landing gear and under the
> wing, being very high. So, I installed and really like two of Larry
> Vettermans pop-out round vents, one right above the throttle quadrant and
> the other in front of the back seat on the fuselage 8" below the canopy
> rail. I also have three NACA scoops, one on the front lower left fuselage
> which like Warren's works well. I also installed two on the canopy rail
> before I knew better. One thing that helped both of them was placing VG's in
> front of them, 50% improvement in airflow. Hey, I live where it is hot
> year-round!
> However, the absolute best modification was drilling holes around my
> baggage door bulkhead to allow the air to draft out the rear fuselage.
> "Sucking the air out" of the cockpit is not a new idea, look at Christen
> Eagles. They have reverse NACA scoops. Rear seat passengers tell me they can
> lay their hands over the holes and feel the suction at cruise speed.
> The aft part of the canopy is very high pressure and a rear facing vent
> on the lower part of the back of the canopy fairing on one RV4 reported very
> good airflow into the cockpit. He said he got the idea off a T-18. He had a
> choke cable to open and close the small door.
> Another simple fix to summer heat is to use the RV4's superior
> performance and fly above 5K if you go anywhere.
>
> For some great ideas of the canopy taxi position hold-back devices, go to
> Doug Reeves website
> http://www.vansairforce.com/community/showthread.php?t=7769&page=1&pp=10
> You will find alot of great pictures of canopy taxi positions
> installations (including mine)...
>
> Good Luck!
>
> RR
>
> "Moore, Warren" <Warren.Moore@tidelandsoil.com> wrote:
> --> RV4-List message posted by: "Moore, Warren"
>
> Brian, I put a naca vent (from Van's) on the right side of the fuse. as far
> forward as possible and just under the cowl cheek. ran a scat tube to the
> lower right side of the instrument panel to an alum. vent....it works just
> ok. Also installed a naca vent on the underside of the the right wing,
> (like on the RV8's) to a scat tube, to a large 3" vent mounted just forward
> of the rear stick, for the rear passenger.....works great! also put a tee
> in the rear vent scat tube and ran a 1-1/4 in scat tube to the front seat
> (thur the wing spar where the plans show a routing for rear seat heat (I
> have no rear seat heat). to a small vent mounted down low by the fuel
> selector. When flying solo, I can reach back, close the rear seat vent and
> open the front one full, just works great! Still get a lot of air in front
> and back when both are open.
>
> I working now on a way to hold my canopy open about 3 inches for
> taxi....don't care how many vents you have, on ground its just hot under a
> bubble canopy.
>
> Warren Moore
> rv4 n223wm, 35 hrs.
>
> -----Original Message-----
> From: Brian Vickers [mailto:brianvic@msn.com]
> Sent: Monday, May 29, 2006 10:27 AM
> To: rv4-list@matronics.com
> Subject: RV4-List: RV4 ventilation
>
>
> --> RV4-List message posted by: "Brian Vickers"
>
>
> Hi all,
>
> I am procrastinating over installation of cockpit ventilation. I walk the
> rows of completed RV4's at fly-ins, etc. and see many different
> configurations for getting air into the cockpit. Everything from holes in
> the wing root fairings, NACA inlets placed nearly everywhere, to pop-outs.
> Does anyone out there have a system that has worked well for them? I'm also
> interested in designs and inlet locations that don't work. I am building a
> very simple, light weight manual bird. Thanks for your help in advance.
> Very sincerely,
>
>
> Brian N. Vickers, MAI
>
> RPA
>
> Real Property Analysis, LLC
>
> P.O. Box 11790
>
> Bainbridge Island, WA 98110
>
> Ph 206-780-9814
>
> Fx 206-842-2496
>
>
>
> ---------------------------------
> Blab-away for as little as 1/min. Make PC-to-Phone Calls using Yahoo!
> Messenger with Voice.
>
>
>
>
>
>
>
>
>
>
>
>
>
Message 4
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--> RV4-List message posted by: "Brian Vickers" <brianvic@msn.com>
Van's; see below the web address to the catalog page at the van's web-site.
It's in the catalog section: "Cockpit Heating and Ventilation Options."
Only $18.00 for two vents.
http://www.vansaircraft.com/cgi-bin/catalog.cgi?ident=1149101865-246-429&bro
wse=heatvent&product=10vent_kit
-----Original Message-----
From: owner-rv4-list-server@matronics.com
[mailto:owner-rv4-list-server@matronics.com] On Behalf Of James Baldwin
Sent: Wednesday, May 31, 2006 11:43 AM
Subject: Re: RV4-List: RV4 ventilation
--> RV4-List message posted by: James Baldwin <jamesbaldwin@dc.rr.com>
Brian -
Where did you order the vents from? Thx. JBB
Brian Vickers wrote:
> --> RV4-List message posted by: "Brian Vickers" <brianvic@msn.com>
>
> Thanks for your response. Yesterday I ordered the Vetterman pop-out
vents.
> Like Larry the Cable TV Repairman says, "Time to get er' done!" Thanks
> again. By the way, I just viewed that tree top video. That is a
University
> of Washington Husky emblem/logo on the back of his hat. I suspect he was
> flying along one of the many rivers here in Washington. Interesting.
>
> Sincerely, Brian Vickers
> -----Original Message-----
> From: owner-rv4-list-server@matronics.com
> [mailto:owner-rv4-list-server@matronics.com] On Behalf Of rob ray
> Sent: Tuesday, May 30, 2006 1:32 PM
> To: rv4-list@matronics.com
> Subject: RE: RV4-List: RV4 ventilation
>
> --> RV4-List message posted by: rob ray <smokyray@yahoo.com>
>
> Brian,
>
> All of the previous suggestions work, I have one of each! Over the
years
> I have tried everything including bypassing my heat muff and running
baffle
> air into the cockpit. Works fine above 5K but hot down low. Here is what
> worked and improved what I had...
> An aeronautical engineer looked at my airplane and told me the two
> lowest pressure and highest pressure areas, the canopy rail and right in
> front of the leading edge of the wing being very low. The bottom of the
rear
> part of the cowl cheek, fuselage sides above the landing gear and under
the
> wing, being very high. So, I installed and really like two of Larry
> Vettermans pop-out round vents, one right above the throttle quadrant and
> the other in front of the back seat on the fuselage 8" below the canopy
> rail. I also have three NACA scoops, one on the front lower left fuselage
> which like Warren's works well. I also installed two on the canopy rail
> before I knew better. One thing that helped both of them was placing VG's
in
> front of them, 50% improvement in airflow. Hey, I live where it is hot
> year-round!
> However, the absolute best modification was drilling holes around my
> baggage door bulkhead to allow the air to draft out the rear fuselage.
> "Sucking the air out" of the cockpit is not a new idea, look at Christen
> Eagles. They have reverse NACA scoops. Rear seat passengers tell me they
can
> lay their hands over the holes and feel the suction at cruise speed.
> The aft part of the canopy is very high pressure and a rear facing
vent
> on the lower part of the back of the canopy fairing on one RV4 reported
very
> good airflow into the cockpit. He said he got the idea off a T-18. He had
a
> choke cable to open and close the small door.
> Another simple fix to summer heat is to use the RV4's superior
> performance and fly above 5K if you go anywhere.
>
> For some great ideas of the canopy taxi position hold-back devices, go
to
> Doug Reeves website
> http://www.vansairforce.com/community/showthread.php?t=7769&page=1&pp=10
> You will find alot of great pictures of canopy taxi positions
> installations (including mine)...
>
> Good Luck!
>
> RR
>
> "Moore, Warren" <Warren.Moore@tidelandsoil.com> wrote:
> --> RV4-List message posted by: "Moore, Warren"
>
> Brian, I put a naca vent (from Van's) on the right side of the fuse. as
far
> forward as possible and just under the cowl cheek. ran a scat tube to the
> lower right side of the instrument panel to an alum. vent....it works just
> ok. Also installed a naca vent on the underside of the the right wing,
> (like on the RV8's) to a scat tube, to a large 3" vent mounted just
forward
> of the rear stick, for the rear passenger.....works great! also put a tee
> in the rear vent scat tube and ran a 1-1/4 in scat tube to the front seat
> (thur the wing spar where the plans show a routing for rear seat heat (I
> have no rear seat heat). to a small vent mounted down low by the fuel
> selector. When flying solo, I can reach back, close the rear seat vent and
> open the front one full, just works great! Still get a lot of air in front
> and back when both are open.
>
> I working now on a way to hold my canopy open about 3 inches for
> taxi....don't care how many vents you have, on ground its just hot under a
> bubble canopy.
>
> Warren Moore
> rv4 n223wm, 35 hrs.
>
> -----Original Message-----
> From: Brian Vickers [mailto:brianvic@msn.com]
> Sent: Monday, May 29, 2006 10:27 AM
> To: rv4-list@matronics.com
> Subject: RV4-List: RV4 ventilation
>
>
> --> RV4-List message posted by: "Brian Vickers"
>
>
> Hi all,
>
> I am procrastinating over installation of cockpit ventilation. I walk the
> rows of completed RV4's at fly-ins, etc. and see many different
> configurations for getting air into the cockpit. Everything from holes in
> the wing root fairings, NACA inlets placed nearly everywhere, to pop-outs.
> Does anyone out there have a system that has worked well for them? I'm
also
> interested in designs and inlet locations that don't work. I am building a
> very simple, light weight manual bird. Thanks for your help in advance.
> Very sincerely,
>
>
> Brian N. Vickers, MAI
>
> RPA
>
> Real Property Analysis, LLC
>
> P.O. Box 11790
>
> Bainbridge Island, WA 98110
>
> Ph 206-780-9814
>
> Fx 206-842-2496
>
>
>
> ---------------------------------
> Blab-away for as little as 1/min. Make PC-to-Phone Calls using Yahoo!
> Messenger with Voice.
>
>
>
>
>
>
>
>
>
>
>
>
>
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