Today's Message Index:
----------------------
1. 09:05 AM - Re: Kitfox-List Digest: 2 Msgs - 06/11/10 (Ed Gray)
2. 11:12 AM - Re: Re: wood ribs on tailfeathers on a Kitfox 4 (Clint Bazzill)
3. 01:42 PM - Re: Re: wood ribs on tailfeathers on a Kitfox 4 (Lowell Fitt)
Message 1
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| Subject: | RE: Kitfox-List Digest: 2 Msgs - 06/11/10 |
My suggestion for tailfeather ribs is one-eighth inch plywood, even Luan
will do. Use stiffeners, or even better glue an 3/8 inch wide capstrip to
the perimeter. That will serve as a stiffener and makes a nicer looking
cover job. Best material for capstrip is 3mm plywood available from ACS or
hobby shops.
Ed Gray, K2, 582 and K4 Classic building. Dallas
-----Original Message-----
From: owner-kitfox-list-server@matronics.com
[mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Kitfox-List
Digest Server
Sent: Saturday, June 12, 2010 1:59 AM
Subject: Kitfox-List Digest: 2 Msgs - 06/11/10
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Kitfox-List Digest Archive
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Total Messages Posted Fri 06/11/10: 2
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Today's Message Index:
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1. 04:47 AM - Re: wood ribs on tailfeathers on a Kitfox 4 (egp8111)
2. 11:38 AM - Re: Re: wood ribs on tailfeathers on a Kitfox 4 (Lowell
Fitt)
________________________________ Message 1
_____________________________________
Time: 04:47:38 AM PST US
Subject: Kitfox-List: Re: wood ribs on tailfeathers on a Kitfox 4
From: "egp8111" <egp8111@AOL.COM>
the KFIII manual calls for wood stiffeners in the HS but they are not
airfoil shape.
Does anyone have the template for the airfoil ribs on the HS and elevator
that they could post ? What material is used to make them, the plans are
not
specific on this. thanks
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=300923#300923
________________________________ Message 2
_____________________________________
Time: 11:38:21 AM PST US
From: "Lowell Fitt" <lcfitt@sbcglobal.net>
Subject: Re: Kitfox-List: Re: wood ribs on tailfeathers on a Kitfox 4
Being experimental, I suppose you could use about anything. I used 1/4"
urathane foam with light weight glass laminated on each side. I think the
factory uses birch plywood 1/4" thick. I doubt the airfoil is critical,
meaning engineered. I think what I would use in similar circumstances is
1/8" plywood with a half inch stiffener hysoled to the side, making a "T"
with the top of the tee being the rib. Use a fillet on the hysol.
If you want to send your address - off list, direct - I have a partial set
of ribs you can have for postage.
Lowell
--------------------------------------------------
From: "egp8111" <egp8111@aol.com>
Sent: Friday, June 11, 2010 4:46 AM
Subject: Kitfox-List: Re: wood ribs on tailfeathers on a Kitfox 4
>
> the KFIII manual calls for wood stiffeners in the HS but they are not
> airfoil shape. Does anyone have the template for the airfoil ribs on the
> HS and elevator that they could post ? What material is used to make
> them, the plans are not specific on this. thanks
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=300923#300923
>
>
>
Message 2
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| Subject: | Re: wood ribs on tailfeathers on a Kitfox 4 |
Actually Kitfox uses 3mm 5 ply aircraft birch plywood. .118 inch thick.
Clint
> From: lcfitt@sbcglobal.net
> To: kitfox-list@matronics.com
> Subject: Re: Kitfox-List: Re: wood ribs on tailfeathers on a Kitfox 4
> Date: Fri=2C 11 Jun 2010 11:04:48 -0700
>
>
> Being experimental=2C I suppose you could use about anything. I used 1/4
"
> urathane foam with light weight glass laminated on each side. I think th
e
> factory uses birch plywood 1/4" thick. I doubt the airfoil is critical
=2C
> meaning engineered. I think what I would use in similar circumstances is
> 1/8" plywood with a half inch stiffener hysoled to the side=2C making a "
T"
> with the top of the tee being the rib. Use a fillet on the hysol.
>
> If you want to send your address - off list=2C direct - I have a partial
set
> of ribs you can have for postage.
>
> Lowell
>
> --------------------------------------------------
> From: "egp8111" <egp8111@aol.com>
> Sent: Friday=2C June 11=2C 2010 4:46 AM
> To: <kitfox-list@matronics.com>
> Subject: Kitfox-List: Re: wood ribs on tailfeathers on a Kitfox 4
>
> >
> > the KFIII manual calls for wood stiffeners in the HS but they are not
> > airfoil shape. Does anyone have the template for the airfoil ribs on t
he
> > HS and elevator that they could post ? What material is used to make
> > them=2C the plans are not specific on this. thanks
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=300923#300923
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
===========
===========
===========
===========
>
>
>
Message 3
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| Subject: | Re: wood ribs on tailfeathers on a Kitfox 4 |
Hi Clint,
The ribs from the 1992 kit I am building had quarter inch ribs or the mm
equivalent, They went into the mail this morning. It wouldn't surprise
me that the newer models had the thinner ribs. I recall in the day that
some builders were complaining about warpage and the idea to blue in a
stiffener.
Lowell
From: Clint Bazzill
Sent: Saturday, June 12, 2010 11:09 AM
Subject: RE: Kitfox-List: Re: wood ribs on tailfeathers on a Kitfox 4
Actually Kitfox uses 3mm 5 ply aircraft birch plywood. .118 inch thick.
Clint
> From: lcfitt@sbcglobal.net
> To: kitfox-list@matronics.com
> Subject: Re: Kitfox-List: Re: wood ribs on tailfeathers on a Kitfox 4
> Date: Fri, 11 Jun 2010 11:04:48 -0700
>
<lcfitt@sbcglobal.net>
>
> Being experimental, I suppose you could use about anything. I used
1/4"
> urathane foam with light weight glass laminated on each side. I think
the
> factory uses birch plywood 1/4" thick. I doubt the airfoil is
critical,
> meaning engineered. I think what I would use in similar circumstances
is
> 1/8" plywood with a half inch stiffener hysoled to the side, making a
"T"
> with the top of the tee being the rib. Use a fillet on the hysol.
>
> If you want to send your address - off list, direct - I have a partial
set
> of ribs you can have for postage.
>
> Lowell
>
> --------------------------------------------------
> From: "egp8111" <egp8111@aol.com>
> Sent: Friday, June 11, 2010 4:46 AM
> To: <kitfox-list@matronics.com>
> Subject: Kitfox-List: Re: wood ribs on tailfeathers on a Kitfox 4
>
> >
> > the KFIII manual calls for wood stiffeners in the HS but they are
not
> > airfoil shape. Does anyone have the template for the airfoil ribs on
the
> > HS and elevator that they could post ? What material is used to make
> > them, the plans are not specific on this. thanks
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=300923#300923
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>========
>
>
>
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