Today's Message Index:
----------------------
1. 05:42 AM - Re: Wing closure &aileron gap fairing (Pat Perry)
2. 05:55 AM - NACA vent in canopy skirt (Pat Perry)
3. 06:21 AM - Oil filter drain tool (Pat Perry)
4. 10:27 AM - Re: NACA vent in canopy skirt (2 at UT)
5. 11:21 AM - RV-4 NACA Air Vents (Gene Smith)
6. 11:36 AM - Cockpit Air Outlet? (LessDragProd@aol.com)
7. 12:21 PM - Air Outlets (Gene Smith)
8. 12:32 PM - Re: NACA vent in canopy skirt (Van Artsdalen, Scott)
9. 02:07 PM - Re: NACA vent in canopy skirt (Melvinke@aol.com)
Message 1
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Subject: | Re: Wing closure &aileron gap fairing |
--> RV4-List message posted by: "Pat Perry" <pperryrv@hotmail.com>
Pat,
If I remember right the sequence is something like:
1. the top skin is fit and clecoed into position
2. the gap fairing in positioned and drilled to the spar and skin
3. everything is disassembled and and prepared for riviting
4. the wing skin is rivited on
5. the fairing is riveted to the overhanging edge of the top skin by
sneaking a bucking bar between the faring and the spar from the bottom
6. the fairing is riveted to the spar
Pat Perry
Dallas, PA
RV-4 N154PK Flies great!
>From: PGLong@aol.com
>Reply-To: rv4-list@matronics.com
>To: rv4-list@matronics.com
>Subject: RV4-List: Wing closure &aileron gap fairing
>Date: Mon, 3 Mar 2003 20:19:24 EST
>
>--> RV4-List message posted by: PGLong@aol.com
>
>My wing has the lower skin riveted on. Instructions tell me to fit the
>aileron gap fairing with the top outboard skin clecoed in place and then to
>rivet it to the top skin. If I do this, how will I rivet the top skin on
>(when I get to that point) starting at rib sta. 61.25 and progressing
>outward. To do this you have to curl the skin and work outward. Question
>"how
>is the skin going to curl if you have the gap fairing riveted on trailing
>edge?" I must be missing something........
>
>Pat Long
>
>Bay City, Michigan
>Working on an RV-4
>
>Do not archive
>
>
Message 2
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Subject: | NACA vent in canopy skirt |
--> RV4-List message posted by: "Pat Perry" <pperryrv@hotmail.com>
I'm going to add some additional ventilation for the back seat of my -4. I
noticed the -4 on the EAA's web site Desktop Wall paper for march has 2 NACA
vents in the canopy skirt.
Does anyone on the list have a NACA vent installed in the canopy skirt just
behind the pilot? I'd like to find out how well this works. Any other good
suggestions for getting some air to the back? My wife will appreciate any
suggestions.
Pat Perry
Dallas, PA
RV-4 N154PK Flies great!
Message 3
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Subject: | Oil filter drain tool |
--> RV4-List message posted by: "Pat Perry" <pperryrv@hotmail.com>
I thought I'd share this simple parts list with everyone, this is tool for
draining the oil out of a filter before spinning it off and soaking
everything between your engine and firewall with oil. This is not an
original idea but my own cheap version of somthing I saw for sale for about
$50.
Parts:
(1) 4" C-clamp - make sure it's about 1/2" bigger than an oil filter
(1) 1/4" x 1.5" steel roll pin
(3')1/4" ID tubing
(1) hose clamps to fit 1/4" ID tube
(1) 1/4" ID rubber washer
To make:
1. grind a flat spot in the arch of the clamp behind the fixed pad of the
c-clamp to allow drilling a 15/64" hole through the clamp pad.
2. grind the roll pin end to a very sharp point at about a 30deg angle.
3. Hammer the roll pin point first through the hole in the clamp until the
point is about 1/4" through the pad.
4. Place the rubber washer over the sharp end of the roll pin
5. Clamp the 1/4" tube to the bottom of the roll pin.
I tried this out last weekend, it took about 20 minutes to make the thing
and it cost about $1 using an old c-clamp I had in the shop. It works
perfect, by clamping it to the back of the filter it drains the oil out
through the tube and keeps the oil off everything else.
Pat Perry
Dallas, PA
RV-4 N154PK Flies great!
Message 4
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Subject: | Re: NACA vent in canopy skirt |
--> RV4-List message posted by: "2 at UT" <tomrv8@gvtc.com>
Pat,
I have two naca vents in the canopy skirt on my -4. One near the front edge
of the canopy skirt for the pilot, and one just behind the pilot. Both are
on the right side skirt.
The one for the "pilot" doesn't provide any airflow at all. I never open
it. Might have something to do with the fact that the canopy skirt angles
toward the firwall just aft of the vent.
The vent for the passenger works very well, but is a little on the noisy
side when open.
A friend with a -4 retrofitted an under the wing naca vent ala RV-8, and it
works very well.
Tom
N153TK
1,002 hours
----- Original Message -----
From: "Pat Perry" <pperryrv@hotmail.com>
Subject: RV4-List: NACA vent in canopy skirt
> --> RV4-List message posted by: "Pat Perry" <pperryrv@hotmail.com>
>
>
> I'm going to add some additional ventilation for the back seat of my -4.
I
> noticed the -4 on the EAA's web site Desktop Wall paper for march has 2
NACA
> vents in the canopy skirt.
>
> Does anyone on the list have a NACA vent installed in the canopy skirt
just
> behind the pilot? I'd like to find out how well this works. Any other
good
> suggestions for getting some air to the back? My wife will appreciate any
> suggestions.
>
>
> Pat Perry
> Dallas, PA
> RV-4 N154PK Flies great!
>
>
Message 5
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Subject: | RV-4 NACA Air Vents |
--> RV4-List message posted by: "Gene Smith" <esmith6@satx.rr.com>
Pat Perry,
I have two NACA vents on my -4 installed like tomrv8@gvtc.com has on his -4...I
get plenty of air flow through the forward one, but it was mostly going toward
the rear occupant, so I took a very thin piece of sheet metal and shaped it
very nicely and curved it so that it deflected the air on me up front...I wedged
this thin sheet between the plastic scoop and the skirt and no fasteners were
required at all. It surprised me that it stays there (it is a tight squeeze!)......if
necessary, I suppose you could use some kind of "stickum" to hold it
in place............Hope this helps.........CHEERS!!!!!............Gene Smith.
Message 6
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Subject: | Cockpit Air Outlet? |
--> RV4-List message posted by: LessDragProd@aol.com
Hi All,
I've read quite a bit about the air inlets.
Where is the air outlet located?
To have air "flow", it normally requires an inlet AND an outlet.
Jim Ayers
RV-3 N47RV
PS I know I don't have an air outlet "designed into" my RV-3.
Is it expected to just happen?
Message 7
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--> RV4-List message posted by: "Gene Smith" <esmith6@satx.rr.com>
Yes, Jim Ayers you are correct......My canopy on the -4 is not that tight, and
I purposely have not used weather stripping, caulking and etc. because of what
Van said in the RVator about the smoke in the cockpit the first time he did an
airshow after installing a smoke generator in the -4...I have always been concerned
about carbon monoxide entering the cockpit, so I live with the built-in
ventilation, but the exhaust system is checked for cracks every time the cowl
comes off, and the bottom of the fuselage, and the firewall are totally sealed
and checked often...............CHEERS!!!!!........................Gene Smith.
Message 8
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Subject: | NACA vent in canopy skirt |
--> RV4-List message posted by: "Van Artsdalen, Scott" <svanarts@unionsafe.com>
I have mine mounted on my forward fuselage just under the cheek cowlings on
either side. Makes for pretty decent airflow.
--
Scott VanArtsdalen
Network Manager
Union Safe Deposit Bank
209-946-5116
-----Original Message-----
From: 2 at UT [mailto:tomrv8@gvtc.com]
Subject: Re: RV4-List: NACA vent in canopy skirt
--> RV4-List message posted by: "2 at UT" <tomrv8@gvtc.com>
Pat,
I have two naca vents in the canopy skirt on my -4. One near the front edge
of the canopy skirt for the pilot, and one just behind the pilot. Both are
on the right side skirt.
The one for the "pilot" doesn't provide any airflow at all. I never open
it. Might have something to do with the fact that the canopy skirt angles
toward the firwall just aft of the vent.
The vent for the passenger works very well, but is a little on the noisy
side when open.
A friend with a -4 retrofitted an under the wing naca vent ala RV-8, and it
works very well.
Tom
N153TK
1,002 hours
----- Original Message -----
From: "Pat Perry" <pperryrv@hotmail.com>
Subject: RV4-List: NACA vent in canopy skirt
> --> RV4-List message posted by: "Pat Perry" <pperryrv@hotmail.com>
>
>
> I'm going to add some additional ventilation for the back seat of my -4.
I
> noticed the -4 on the EAA's web site Desktop Wall paper for march has 2
NACA
> vents in the canopy skirt.
>
> Does anyone on the list have a NACA vent installed in the canopy skirt
just
> behind the pilot? I'd like to find out how well this works. Any other
good
> suggestions for getting some air to the back? My wife will appreciate any
> suggestions.
>
>
> Pat Perry
> Dallas, PA
> RV-4 N154PK Flies great!
>
>
Message 9
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Subject: | Re: NACA vent in canopy skirt |
--> RV4-List message posted by: Melvinke@aol.com
I have tried NACA scoops on the canopy skirt, both front and back. Total
failure in each case -- no air entry to speak of. They do work well, however,
if placed in the lower wing skin.
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