Today's Message Index:
----------------------
1. 06:47 AM - Comp Air 7 Crash in Angleton, Texas (Joseph Kintz)
2. 09:35 AM - Re: narrow head rivet gun? ()
3. 09:46 AM - bending leading edge skin ()
4. 10:34 AM - Re: bending leading edge skin (Weston, Jim)
5. 10:35 AM - Re: bending leading edge skin (HINDE,FRANK (HP-Corvallis,ex1))
6. 11:16 AM - Re: bending leading edge skin (Michel Therrien)
7. 12:38 PM - Re: bending leading edge skin (Scott Laughlin)
8. 12:50 PM - Re: bending leading edge skin (David Barth)
Message 1
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| Subject: | Comp Air 7 Crash in Angleton, Texas |
--> Zenith-List message posted by: Joseph Kintz <kintzjd@rocketmail.com>
The following excerpts are from this morning's edition of The Facts newspaper
of Brazoria County, Texas:
"Stephen Naypaver, 63, was killed instantly when his experimental plane
exploded after nose diving into the ground at the Brazoria County Airport, just
south of the Dow hanger. Louis Jones, director of aviation at the airport,
said Naypaver's landing looked routine until the last moments of the 10- to
15-minute flight. 'He made perfectly normal call-ins,' Jones said. 'All of a
sudden he leveled off, pitched to the left and went straight down.' Naypaver
was a former flight instructor and was constantly working on the plane, Jones
said...The plane was a Comp Air 7, which is sold as a kit by Aerocomp, based in
Merritt, Fla...The NTSB has no record of one of the planes crashing...Naypaver,
who bought the plane used about a year ago, was an experienced pilot...
Stephen Young, president of Aerocomp, quoted an 'experienced pilot' at the
Brazoria County Airport as saying Naypaver had extended the fuel tanks further
down the wings, and one tank was empty. 'When you go ahead and have that one
tank full and one tank empty, you have very poor control,' Young said. 'You
don't do a landing with that severe imbalance.'...Some people had told (Jones)
Naypaver was running one tank dry so that he could work on it...
The plane was a high-performance turbine plane with a propellor engine designed
to fly at high altitudes. (Jones) said the plane was landing straight upwind,
heading south, and he said he didn't think the stiff breeze was a contributing
factor. 'He had recently come back from Las Vegas in the same airplane,' Jones
said. 'He looked perfectly normal on landing. He was steady.'"
__________________________________
Message 2
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| Subject: | Re: narrow head rivet gun? |
--> Zenith-List message posted by: <PAULROD36@msn.com>
Yes, about two or three issues back of the EXPERIMENTER, someone had the
same problem, He took a short (I think 1/4") length of about 1/4" or so
bolt, drilled it, then ground a fairly sharp taper on one face. He inserted
the rivet into the work, slipped the spacer on the stem, and then applied
the gun.
----- Original Message -----
From: <CLOJAN@aol.com>
Subject: Zenith-List: narrow head rivet gun?
> --> Zenith-List message posted by: CLOJAN@aol.com
>
> Hello folks: I ran into a little problem when riveting the lower longerons
to
> the cabin floor. The head of the rivet gun seems to be too wide to fit
> straight on the rivet due to the L angle of the longeron. The rivet line
is smack
> dab in the middle of the L but I will have to angle the head of the gun to
set
> the rivet. I am sure one of you smart Zenith builders have solved this
problem.
> Ideas? Thanks, Jack Russell
>
>
Message 3
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| Subject: | bending leading edge skin |
--> Zenith-List message posted by: <PAULROD36@msn.com>
I need a little input------ While drilling and clecoing the leading edge on my
601XL, I overlapped the top of the main spar by just a little too much, leaving
just a little too little at the overlap of the bottom of the main spar.. Ergo,
fabricate a new skin. Does anybody have a suggestion as to making the bend
in the new skin? I don't think I need the full 90 degree bend, just enough to
get a nice curve when I strap it down and drill and cleco.
Paul Rodriguez
601XL, still doing wings
Message 4
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| Subject: | bending leading edge skin |
--> Zenith-List message posted by: "Weston, Jim" <Jim.Weston@delta.com>
Somewhere I learned that you use a piece of PVC pipe. I think that I may have
seen it in my old set of original plans for the 601HDS. For the HDS, a piece
of pipe about 4 inch in diameter is about right. Just pick the right size for
the XL wing radius. It doesn't have to be bent to a perfect fit. Just a decent
radius start that will then be pulled into place by the cargo straps.
Hope this helps,
Jim Weston
McDonough, Ga.
-----Original Message-----
From: PAULROD36@msn.com [mailto:PAULROD36@msn.com]
Subject: Zenith-List: bending leading edge skin
--> Zenith-List message posted by: <PAULROD36@msn.com>
I need a little input------ While drilling and clecoing the leading edge on my
601XL, I overlapped the top of the main spar by just a little too much, leaving
just a little too little at the overlap of the bottom of the main spar.. Ergo,
fabricate a new skin. Does anybody have a suggestion as to making the bend
in the new skin? I don't think I need the full 90 degree bend, just enough to
get a nice curve when I strap it down and drill and cleco.
Paul Rodriguez
601XL, still doing wings
Message 5
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| Subject: | bending leading edge skin |
--> Zenith-List message posted by: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com>
I think you will find that you can put a LOT of force on the straps without
the wing collapsing... I think you can just pull it up with the straps and
be fine.
Frank
601 HDS startus 292 hours (with modified valve guides)
-----Original Message-----
From: PAULROD36@msn.com [mailto:PAULROD36@msn.com]
Subject: Zenith-List: bending leading edge skin
--> Zenith-List message posted by: <PAULROD36@msn.com>
I need a little input------ While drilling and clecoing the leading edge on
my 601XL, I overlapped the top of the main spar by just a little too much,
leaving just a little too little at the overlap of the bottom of the main
spar.. Ergo, fabricate a new skin. Does anybody have a suggestion as to
making the bend in the new skin? I don't think I need the full 90 degree
bend, just enough to get a nice curve when I strap it down and drill and
cleco.
Paul Rodriguez
601XL, still doing wings
advertising on the Matronics Forums.
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Message 6
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| Subject: | Re: bending leading edge skin |
--> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com>
I built a press to bend the HD skin. See abiyt 2/3rd
down the following page for details of press, tube and
die size.
http://mthobby.pcperfect.com/ch601/chowings2.htm
The information is also on my tools page:
http://mthobby.pcperfect.com/ch601/chtools.htm
--- PAULROD36@msn.com wrote:
> ...Ergo, fabricate a new
> skin. Does anybody have a suggestion as to making
> the bend in the new skin?
=====
----------------------------
Michel Therrien CH601-HD
http://mthobby.pcperfect.com/ch601
http://www.zenithair.com/bldrlist/profiles/mthobby
http://pages.infinit.net/mthobby
__________________________________
Message 7
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| Subject: | bending leading edge skin |
--> Zenith-List message posted by: "Scott Laughlin" <cookwithgas@hotmail.com>
Jim:
If you decide to re-make the part, just remember the number one rule in
plans-building:
make the part a little over-sized, then trim to fit.
Good luck,
Scott Laughlin
www.cooknwithgas.com
601XL Plans-Building,
Tail Done, Wings Started
----Original Message Follows----
From: "Weston, Jim" <Jim.Weston@delta.com>
Subject: RE: Zenith-List: bending leading edge skin
--> Zenith-List message posted by: "Weston, Jim" <Jim.Weston@delta.com>
Somewhere I learned that you use a piece of PVC pipe. I think that I may
have seen it in my old set of original plans for the 601HDS. For the HDS, a
piece of pipe about 4 inch in diameter is about right. Just pick the right
size for the XL wing radius. It doesn't have to be bent to a perfect fit.
Just a decent radius start that will then be pulled into place by the cargo
straps.
Hope this helps,
Jim Weston
McDonough, Ga.
-----Original Message-----
From: PAULROD36@msn.com [mailto:PAULROD36@msn.com]
Subject: Zenith-List: bending leading edge skin
--> Zenith-List message posted by: <PAULROD36@msn.com>
I need a little input------ While drilling and clecoing the leading edge on
my 601XL, I overlapped the top of the main spar by just a little too much,
leaving just a little too little at the overlap of the bottom of the main
spar.. Ergo, fabricate a new skin. Does anybody have a suggestion as to
making the bend in the new skin? I don't think I need the full 90 degree
bend, just enough to get a nice curve when I strap it down and drill and
cleco.
Paul Rodriguez
601XL, still doing wings
Message 8
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| Subject: | Re: bending leading edge skin |
--> Zenith-List message posted by: David Barth <davids601xl@yahoo.com>
Does anybody have a suggestion as to making
> the bend in the new skin? I don't think I need the
> full 90 degree bend, just enough to get a nice curve
> when I strap it down and drill and cleco.
> Paul Rodriguez
> 601XL, still doing wings
>
Hi Paul
One of the most innovative and simple do-it-yourself
solutions I have heard for this is to tape a sheet of
heavy plastic along the ends and edges of the aluminum
sheet (precurved a little) and then insert your vacuum
hose through through the plastic and suck the air out.
A vaccuum brake so to speak. You will have to guide
the process somewhat I am sure.
I haven't done this yet but have heard from another
builder that it works quite well. It is one of the
solutions I will be looking into later in the summer.
Good luck and please let us know how you eventually
tackle this problem. That nose skin is quite a
different beast from the HD or HDS nose skin.
=====
David Barth
601 XL Plansbuilder
Currently making parts.
Stab, elevator and Rudder waiting for skins. Flaps and ailerons ready for inspection.
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