Today's Message Index:
----------------------
1. 02:33 PM - TR4 move (Alfred Rosa)
2. 03:02 PM - Re: TR4 move (Owen Baker)
3. 03:12 PM - Fiberglass vs Carbon Fiber for my layup (Galin Hernandez)
4. 03:23 PM - Re: TR4 move (Tim Yoder)
5. 04:09 PM - Re: Fiberglass vs Carbon Fiber for my layup (Scott)
6. 04:16 PM - Re: Fiberglass vs Carbon Fiber for my layup (Alfred Rosa)
7. 05:18 PM - Re: Fiberglass vs Carbon Fiber for my layup (Galin Hernandez)
8. 05:45 PM - Re: TR4 move (Owen Baker)
Message 1
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I finally moved my TR4 project out of the garage and into a kit building
hangar at the local airport. Intend to finish any remaining glass work and
priming. Then advertise at Barnstormer's for 25k.
Message 2
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8/13/2015
Hello Al, Sounds like a plan. I hope that you get to see it fly some day
/ fly in it if that is your desire.
OC
PS: What is the black strip on the leading edge of the vertical
stabilizer?
PPS: I still have a faint lingering desire to start building something
again, but at the age of 83 this November I am stymied by the thought of
getting half way through a project and then realizing that I could never
finish it or see it finished. I reached 475.1 hours flown on my KIS TR-1
today.
=====================
From: Alfred Rosa
Sent: Thursday, August 13, 2015 5:32 PM
Subject: KIS-List: TR4 move
I finally moved my TR4 project out of the garage and into a kit building
hangar at the local airport. Intend to finish any remaining glass work
and priming. Then advertise at Barnstormer's for 25k.
Message 3
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Subject: | Fiberglass vs Carbon Fiber for my layup |
As I get ready to do the layups for the landing gear I was wondering about
using Carbon Fiber instead of Fiberglass. Let's say instead of 10 plies of
glass, use 5 plies of carbon. What would be the pros and cons of this idea?
Good idea or bad idea? What sayeth the list?
Message 4
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Sorry you can't finish it, hopefully you sell it ok.
Tim
_____
From: owner-kis-list-server@matronics.com
[mailto:owner-kis-list-server@matronics.com] On Behalf Of Alfred Rosa
Sent: Thursday, August 13, 2015 2:32 PM
Subject: KIS-List: TR4 move
I finally moved my TR4 project out of the garage and into a kit building
hangar at the local airport. Intend to finish any remaining glass work and
priming. Then advertise at Barnstormer's for 25k.
---
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Message 5
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Subject: | Re: Fiberglass vs Carbon Fiber for my layup |
I would stick with glass. It is difficult to tell if wet layup carbon fiber
is fully wetted out with epoxy. Also, sometimes the thickness of the layu
p has structural advantages. It is also difficult to get carbon to conform
to any kind of a corner.
Scott
Sent from my iPad
> On Aug 13, 2015, at 4:12 PM, Galin Hernandez <galinhdz@gmail.com> wrote:
>
> As I get ready to do the layups for the landing gear I was wondering about
using Carbon Fiber instead of Fiberglass. Let's say instead of 10 plies of g
lass, use 5 plies of carbon. What would be the pros and cons of this idea? G
ood idea or bad idea? What sayeth the list?
>
>
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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
Message 6
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Subject: | Re: Fiberglass vs Carbon Fiber for my layup |
I think 10 glass or 5 Carbon plies is pretty much a wash. If you really wan
t to beef it up use 10 plies of Carbon.
Sent from my iPhone
> On Aug 13, 2015, at 6:12 PM, Galin Hernandez <galinhdz@gmail.com> wrote:
>
> As I get ready to do the layups for the landing gear I was wondering about
using Carbon Fiber instead of Fiberglass. Let's say instead of 10 plies of g
lass, use 5 plies of carbon. What would be the pros and cons of this idea? G
ood idea or bad idea? What sayeth the list?
>
>
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
Message 7
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Subject: | Re: Fiberglass vs Carbon Fiber for my layup |
THANKS but I was wondering more along the lines of Carbon vs Glass, not the
actual number of plies. Assuming the strength will be the same (no beefing
up) what are the pros and cons of more plies of glass versus less plies of
carbon or does it really matter?
On Thu, Aug 13, 2015 at 7:16 PM, Alfred Rosa <fredorosa@gmail.com> wrote:
> I think 10 glass or 5 Carbon plies is pretty much a wash. If you really
> want to beef it up use 10 plies of Carbon.
>
> Sent from my iPhone
>
> On Aug 13, 2015, at 6:12 PM, Galin Hernandez <galinhdz@gmail.com> wrote:
>
> As I get ready to do the layups for the landing gear I was wondering about
> using Carbon Fiber instead of Fiberglass. Let's say instead of 10 plies of
> glass, use 5 plies of carbon. What would be the pros and cons of this idea?
> Good idea or bad idea? What sayeth the list?
>
>
> *
>
>
> *
>
>
Message 8
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|
8/13/2015
Hello Al, Thanks for the quick response.
I am stunned at the use of stainless steel for those leading edges. My
use of stainless steel on my KIS TR-1 was very limited, firewall facing
and a few other bits and pieces that I don=99t recall right now. I
found stainless very hard to work with and wonder how you were able to
fabricate, or have fabricated, those pieces, and how they are fastened
in place.
I wonder how the different flexural modulus of stainless steel and a
matrix of epoxy resin and fiberglass would affect the structural
integrity of the wing. See here:**
https://en.wikipedia.org/wiki/Flexural_modulus
OC
**PS: You do have some similar prior wing structures in that the leading
edge of the TKS versions of the Cirrus aircraft have titanium leading
edges with many, many tiny holes to weep the TKS fluid. See here:
http://cirrusaircraft.com/innovation/known-ice-protection/
https://wikiwings.wordpress.com/2014/02/21/cirrus-sr22-g3-tks-inadvertent
-ice-system/
====================
From: Alfred Rosa
Sent: Thursday, August 13, 2015 7:02 PM
Subject: Re: KIS-List: TR4 move
OC, that leading edge strip on the vertical stab is stainless steel
Which is reflecting shadow and looking black. The horizontal stab has
stainless leading edges also and the wings will have it too. Just a
esthetic thing to look cool and stand out from the rest.
Al
Sent from my iPhone
On Aug 13, 2015, at 6:01 PM, "Owen Baker " <bakerocb@cox.net> wrote:
8/13/2015
Hello Al, Sounds like a plan. I hope that you get to see it fly some
day / fly in it if that is your desire.
OC
PS: What is the black strip on the leading edge of the vertical
stabilizer?
PPS: I still have a faint lingering desire to start building something
again, but at the age of 83 this November I am stymied by the thought of
getting half way through a project and then realizing that I could never
finish it or see it finished. I reached 475.1 hours flown on my KIS TR-1
today.
=====================
From: Alfred Rosa
Sent: Thursday, August 13, 2015 5:32 PM
To: kisbuilders
Subject: KIS-List: TR4 move
I finally moved my TR4 project out of the garage and into a kit
building hangar at the local airport. Intend to finish any remaining
glass work and priming. Then advertise at Barnstormer's for 25k.
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