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Joined:
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31-Dec-1969
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Started On : 26-Sep-2006 at 12:30:03 AM, #Views : 6111
Topic Subject : Re: hanging |
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That's right, pictureframe wire is not as good as they claim. I found it
rusts easily so was not compatible with damp plaster. You could use the
galvanized wire I like with your inserts if you can twist it securely. But
embedding loops of the wire in the last coat always seemed safe to me.
Dan
--
http://www.archicast.com/Lifecast-index1.html
> From: aliforum@lifecasting.org
> Date: Mon, 25 Sep 2006 23:51:36 -0400
> To: archicast@earthlink.net
> Subject: Re: hanging( Message No. 1174)
>
> -----------------Amazon.com ALI Sponsor -------->
>
> Three life casting DVDs available. Hands & Feet
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> -------------------------------------------------------->
>
> Hello Dan Spector
>
>
> Post Date : Monday 25th of September 2006 11:51:33 PM
> Posted by : "Ray Hope" ray@bimmortal.com
>
> Re: hanging:--
> I use a different method again. Not sure if I got it from a video or came up
> with it myself.
>
> I generally use hydrocal reinforced with glass fibre chopped strand mat.
> Sometimes I will use resin and glass into a silicon mould. I use the same
> hanging method for both.
>
> Essentiallt I use plastic masionary inserts with coated metal screws to embed
> in the casting and later attach heavy duty picture frame wire to the screws.
> Typically I embed the screws and inserts between the second and third layers.
> The first Hydrocal layer is a thin one (approximatly 1kg of Hydrocal for a
> hips to neck torso). After the second layer of hydrocal (approximatly 2kg of
> Hydrocal for a hips to neck torso) has been applied, I screw the coated metal
> screws into the plastic masonary inserts and pick good locations to push them
> into the setting hydrocal. For a female torso the hydrocal natually pools in
> the breasts, so that is a good place. Make sure the screws and insert protrude
> enough to allow for the next layer and to still be accessable enough to attach
> the wire.
>
> The third and final layer is when the glass fibre chopped strand mat (CSM) is
> used with the hydrocal. I pour and spread a little into the mould then dip the
> CSM into the wet Hydrocal and layup into the mould, taking care not to cover
> the screws, but to make sure there is enough hygrocal and glass to hold them
> in very firmly.
>
> I use different screw sizes depending on the size of the cast. Typically I
> would use a 4 or 6 gauge screw about 15 to 20 mm long. With this attachment
> method it is not going to come out without damaging the cast.
>
> The wire is attached by wraping it around the screws, behind the protrouding
> head, then twisting around its self.
>
> The only problem I have had was when the wire broke on one of my castings. The
> wire was rated to 12kg and the cast was only about 5kg, so I was not
> impressed.
>
> Regards
> Ray Hope
> www.bimmortal.com
>
> ALI is an international organization whose members are engaged in the art and
> creative industries. Its purpose is to promote the art of life casting, create
> public awareness of this unique art form, provide its members with forums to
> exchange information, resources to enhance their effectiveness and advance
> opportunities for their artistic success.
>
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