On the pros and cons of using plywood vs. composite skins here's a couple of
interesting posts. The first is an excerpt by Ron Scott in a piece in the
Winter 2000 SAA
magazine. ( www.sportaviation.org ) Of course prices have gone up since the
article was written.
ALTERNATE MATERIALS
Ron Sco
Re: > I dont feel that plywood is a good choice.
Hi everyone... from Mattoon, IL. I am a newbee to the KRNet as of a couple of
days ago. This will be my first post.
I would really be afraid to use sandwiched foam for plywood. If you think
about it, when you hang 150+ lbs on the firewal
with the longerons and the other vertical. I will still have
to do my design and annalists on this with it compared to plywood (AS&S).
Justin
- Original Message -
From:
To:
Sent: Sunday, July 13, 2003 10:45 AM
Subject: KR>Plywood vs composite skins
>
> Re: > I dont f
There is absolutely no reason for building a "Composite Fuselage" version of
the KR and including the 5/8" square spruce used to constructed the KR
fuselage sides/top/bottom. In a composite fuselage, except for a top
longeron (running from firewall to TE of wing), the 5/8" square spruce would
be n
Netters;
I would like to respond to the statement made regarding plywood. "If
you think about it, when you hang 150+ lbs on the firewall, the fuselage sides
between the engine and the landing gear take a lot of stress. The top
longerons are being stretched (tension), and the bottom ones
Hi all,
I know, some time ago here was discussed this question. But there were talking
about sides skins to be laminated. For me here is clear, I will do as Eduardo
Barros from Argentina.
I would like to ask your opinion about composite sheet which is used
for Printed Circuit B
RE: But I have this PCB sheet in 2mm thickness, it has about 10 layers of
laminated fibers which is pressed together and cooked. Compared with plywood
it is much stronger,
Alex,
I am sure that it is strong, but I am concerned that it would be brittle
and under stress could crack. I would not
Thanks Dan,
I have to say it is not brittle, as about gluing, before it should be sanded,
as ordinary Fiberglas. In fact it is a Fiberglas, just difference is in that
the fiberglass layers are pressed and cooked at high temperature vs ours wing
skins are not pressed and normally cure at room te
19, 2003 1:05 PM
To: kr...@mylist.net
Subject: Re: KR>plywood vs composite skins
RE: But I have this PCB sheet in 2mm thickness, it has about 10 layers of
laminated fibers which is pressed together and cooked. Compared with plywood
it is much stronger,
I am very familiar with printed circuit boards and most of the ones I
have seen are a little light on the glass and heavy on the epoxy, but
there are a zillion different kinds.
Alexander Birca (MD/RMD) wrote:
> Hi all,
>I know, some time ago here was discussed this question. But there we
ot;'KR builders and pilots'"
Sent: Tuesday, August 19, 2003 7:20 AM
Subject: RE: KR>plywood vs composite skins
>
> Thanks Dan,
> I have to say it is not brittle, as about gluing, before it should be
sanded, as ordinary Fiberglas. In fact it is a Fiberglas, just diffe
Thanks Eduardo, good info.
BR,
Alex Birca
Moldova
-Original Message-
From: Eduardo M. Iglesias [mailto:emigles...@cpenet.com.ar]
Sent: Wednesday, August 20, 2003 6:08 AM
To: KR builders and pilots
Subject: Re: KR>plywood vs composite skins
Dan, Alex.
Eduardo Barros put 3 layers
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