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Wed 14 June 2006

Dad continued with the FAB (in between other things) and made a new support plate.
The center location we ended up with a circular hole rather than a shaped one - makes no difference to the throttle body inlet. More tweaking of the alignment and height of the front needed.
I was still on the plenum diffusers. A small amount of clay to finish the outer edges and then release wax which went on well for a finished surface.
Then using PoP again, a negative mould was mixed.
I was quite generous with the edge build up and also added two dividers to split the mould.
Getting the mould to release was tricky (and not bending the metal ring), I just took it slowly and work everything through.
The result is pretty good, not completely smooth but fine for the exterior of the diffuser.
Once everything had dried off a little, the negative mould was drilled for the cleco locations and the AL ring protected with electric tape (to help the release process).
Then multiple triangles of 6oz glass + resin was added, plus some strips for the round forward edge.
The edges were held down with cleco and the layout left to start curing.
Carl Morgan