Thread: Discussion Scratcho
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Old May 27, 2012, 07:01 PM
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AvB
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Australia, QLD, Woody Point
Joined Nov 2006
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This one shows some of the process of building the lastest light Scratcho. It's using a unique method ... molding the skins, then bonding (epoxy and vac bagging) half-cores into the skins; and hot wire cutting them flush with the flanges ... then putting in a spar and aileron stiffeners, plus Ampreg round the edges ... to give a perfect combination of a molded shape with the durability benefits of a tough blue foam core and Ampreg behind the edges.

Teflon coated glass and other clips of light Scratcho moulding (12 min 42 sec)



And this one shows that wing just out of the mold, and a few issues:

Light half-core molded Scratcho wing just out of mould. (6 min 31 sec)



And this one shows the maiden flights and some DSing at Bandicoot a couple of days ago:

Last day of flying at Bandicoot Ridge - 26 May 2012 (21 min 56 sec)
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