Hooray, at last:
http://www.caa.co.uk/docs/33/ORS4_691.pdf
Duncan McF.
----- Original Message -----
From: "Rob Housman" <rob@hyperion-ef.com>
Sent: Monday, July 14, 2008 5:51 PM
Subject: RE: Europa-List: Re: Reenforcement of baggage bays
>
> D's approach HAS TO BE BETTER than doing it by the book.
>
> Sorry to tell you this Rick, but if you think the layup you just did was
> "difficult" you have no idea what lies ahead. Were Mother Theresa to
> attempt these layups, even she would probably be tempted to utter a few
> words she had never spoken before.
>
>
> Best regards,
>
> Rob Housman
> Irvine, CA
> Europa XS Tri-Gear
> A070
> Airframe complete
>
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com] On Behalf Of D Wysong
> Sent: Sunday, July 13, 2008 1:11 PM
> To: europa-list@matronics.com
> Subject: Europa-List: Re: Reenforcement of baggage bays
>
>
>> I just did one ply and it was the most difficult lay up so far. There
> are no
>> measuremnts given and the cloth folds onto its self while I tried to do
> the lay
>> up.
>>
>> It seems the there should be a better way of doing this lay-up. Has
> somebody
>> come up with a good method? I looked at all the pictures, but they only
> show
>> the finished product.
>
> Hello Rick,
>
> A trick I use on hard-to-reach spots (LongEZ /canard builder) is to
> make "poor man's prepreg" with the BID. It might work well for you.
>
> First, make a pattern for the layup using a piece of drop cloth
> plastic. I use 2 mil plastic for my patterns but have seen folks use
> 4 mil. You can cram the plastic sheet into nooks/crannies and then
> mark any creases with a Sharpie. Trim the excess with a pair of
> scissors and you end up with a "paperdoll" pattern for your BID cloth.
>
> Next, rough cut the BID cloth about 2" oversize relative to your
> "paperdoll" pattern. Also, cut two more pieces of drop cloth plastic
> a tad bit bigger than the BID.
>
> Write "OUT" with your Sharpie marker one one of the big plastic sheets
> and trace the "paperdoll" onto it. Place this piece face-down (i.e. -
> with the "OUT" facing out) and lay your first BID ply on top at a 45
> relative to the pattern. Wet out the first BID ply thoroughly and
> follow it with the second BID ply. Once your plies are wet, put the
> other sheet of plastic onto the top of the pile, making a sandwich of
> wet BID between two sheets of drop cloth.
>
> Use a squeegee (or Bondo spreader, thick postcard, tongue depressor,
> rolling pin, etc.) to gently chase any air or excess epoxy to the
> edges. Don't pull too much resin out but do your best to get rid of
> any air bubbles. Using a hair dryer to gently warm the resin will get
> it to flow better in cool weather.
>
> Once you finish chasing air bubbles out, turn the whole sandwich over
> so you can see your "OUT" plus the "paperdoll" pattern outline. Trim
> the BID sandwich along the pattern lines with scissors, turn the
> sandwich over again ("OUT" side down), and peel the top sheet of
> plastic off of the sandwich.
>
> Transfer the whole stack (BID, BID, "OUT" plastic) into the tunnel and
> position/stipple/squeegee the layup in place. The plastic will help
> keep the BID from folding back onto itself AND will keep you from
> getting covered in epoxy. Once the BID is where you want it, peel the
> "OUT" plastic off and stipple any stubborn spots. Add peel ply to the
> edges if you want.
>
> Good luck!
>
> D
>
>
>
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