A suggestion I have for fiberglass is use the standard 5.85oz fiberglass,
then put a layer of deck cloth over it. The end result is a very smooth
peice with little sanding/filing. It also add's some little strength. It is
something liek 1.45oz.
Thats what I will be doin on my tail etc...
Justin
----- Original Message -----
From: "Mark Langford" <langf...@hiwaay.net>
To: "KR builders and pilots" <kr...@mylist.net>
Sent: Wednesday, May 07, 2003 8:26 AM
Subject: Re: KR>Fiberglass question
> Alex Birca wrote:
>
> >>the question is, what is the thickness and tensile strength of
fiberglass
> which is used for lay-up process.
> May I use one type (thickness or density?) of fiberglass or it should be
> different one in different area?
> Where I can read more detailed info about used fiberglass in KR
> construction.<<
>
> No problem, Alex. Fiberglass typically used for all KR construction is
5.85
> ounces per yard, 18 x 18 plain weave, .009" thick, with tensile strength
of
> 250 x 250 psi. I'm not an expert on stock KR construction, but I believe
> in most places only one layer is used, except on the wings where you end
up
> with two layers around and forward of the main spar, overlapping at the
> leading edge for a few inches to yield 4 layers at the leading edge. You
> probably end up with more than one layer on control surfaces as well. All
> of this is specified in the KR builder's manual. I don't know of any
place
> online where these details are given, but others are welcome to chime in
or
> correct any misinformation I've given (from memory)...
>
> Mark Langford, Huntsville, AL
> mailto:langf...@hiwaay.net
> see KR2S project N56ML at http://home.hiwaay.net/~langford
>
>
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