Pietenpol-List Digest Archive

Sun 04/20/08


Total Messages Posted: 6



Today's Message Index:
----------------------
 
     1. 07:03 AM - Yesterday was a good climbing day (walt evans)
     2. 08:20 AM - Re: Yesterday was a good climbing day (Gene & Tammy)
     3. 01:31 PM - Plywood leading edge (Brian Kraut)
     4. 02:35 PM - test (walt evans)
     5. 02:51 PM - Re: test (walt evans)
     6. 02:52 PM - Re: Plywood leading edge (Gardiner Mason)
 
 
 


Message 1


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    Time: 07:03:39 AM PST US
    From: "walt evans" <waltdak@verizon.net>
    Subject: Yesterday was a good climbing day
    Went up yesterday morning, and it climbed great. @55mpg climb, indicated 600/650 fpm. A-65/long fuselage. Walt Evans NX140DL "If you look for a reason not to,,,You'll find it"


    Message 2


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    Time: 08:20:28 AM PST US
    From: "Gene & Tammy" <zharvey@bellsouth.net>
    Subject: Re: Yesterday was a good climbing day
    Walt, What prop? Gene ----- Original Message ----- From: walt evans To: pietenpol-list@matronics.com Sent: Sunday, April 20, 2008 8:00 AM Subject: Pietenpol-List: Yesterday was a good climbing day Went up yesterday morning, and it climbed great. @55mpg climb, indicated 600/650 fpm. A-65/long fuselage. Walt Evans NX140DL "If you look for a reason not to,,,You'll find it" ------------------------------------------------------------------------- ----- Checked by AVG. 4/19/2008 11:31 AM


    Message 3


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    Time: 01:31:38 PM PST US
    From: "Brian Kraut" <brian.kraut@engalt.com>
    Subject: Plywood leading edge
    I am about ready to do the 1/16" plywood skin on my Sky Scout center section. I have the GN-1 airfoil which has a little bigger radius on the leading edge, but it still looks to me like a pretty small radius bend for 1/16" plywood. The GN-1 plans don't give a lot of details and I can't seem to locate my Piet plans right now. I am thinking two possible methods of doing this. The first one would be to do the spruce leading edge and form it for a 1/4" recess top and bottom to have separate plywood pieces that glue to it, but do not wrap all the way around the tight nose radius. The second method would be to form the leading edge to match the ribs and wrap a the plywood leading edge piece all the way around it. I think that I would need to soak the plywood and wrap it wet then let it dry and form to the shape to keep from breaking it. If I do this method I will add filler pieces on the top and bottom of the forward spar and make a leading edge that only covers halfway back on the spars then use separate pieces to go from there to the trailing edge. The second method seems to be the best plan, but I am not 100% sure if the ply will wrap around the leading edge without breaking even if it is soaked. Comments? If I recall correctly when plywood is used for the leading edge on the outboard wings it is something thinner than 1/16". Correct? Brian Kraut Engineering Alternatives, Inc. www.engalt.com


    Message 4


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    Time: 02:35:38 PM PST US
    From: "walt evans" <waltdak@verizon.net>
    Subject: test
    test do not archive Walt Evans NX140DL "If you look for a reason not to,,,You'll find it"


    Message 5


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    Time: 02:51:32 PM PST US
    From: "walt evans" <waltdak@verizon.net>
    Subject: Re: test
    Good,, I'm back. Must have pushed the wrong button . do not archive Walt Evans NX140DL "If you look for a reason not to,,,You'll find it" ----- Original Message ----- From: walt evans To: pietenpol-list@matronics.com Sent: Sunday, April 20, 2008 5:32 PM Subject: Pietenpol-List: test test do not archive Walt Evans NX140DL "If you look for a reason not to,,,You'll find it"


    Message 6


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    Time: 02:52:51 PM PST US
    From: "Gardiner Mason" <airlion@bellsouth.net>
    Subject: Re: Plywood leading edge
    Brian,on my pietenpol leading edge I did the bottom first and then the top. After the glue dried I then used filler to shape the leading edge. Gardiner Mason ----- Original Message ----- From: "Brian Kraut" <brian.kraut@engalt.com> Sent: Sunday, April 20, 2008 4:28 PM Subject: Pietenpol-List: Plywood leading edge > <brian.kraut@engalt.com> > > I am about ready to do the 1/16" plywood skin on my Sky Scout center > section. I have the GN-1 airfoil which has a little bigger radius on the > leading edge, but it still looks to me like a pretty small radius bend for > 1/16" plywood. The GN-1 plans don't give a lot of details and I can't > seem > to locate my Piet plans right now. > > I am thinking two possible methods of doing this. The first one would be > to > do the spruce leading edge and form it for a 1/4" recess top and bottom to > have separate plywood pieces that glue to it, but do not wrap all the way > around the tight nose radius. > > The second method would be to form the leading edge to match the ribs and > wrap a the plywood leading edge piece all the way around it. I think that > I > would need to soak the plywood and wrap it wet then let it dry and form to > the shape to keep from breaking it. If I do this method I will add filler > pieces on the top and bottom of the forward spar and make a leading edge > that only covers halfway back on the spars then use separate pieces to go > from there to the trailing edge. > > The second method seems to be the best plan, but I am not 100% sure if the > ply will wrap around the leading edge without breaking even if it is > soaked. > Comments? > > If I recall correctly when plywood is used for the leading edge on the > outboard wings it is something thinner than 1/16". Correct? > > Brian Kraut > Engineering Alternatives, Inc. > www.engalt.com > > >




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