Foam
Core Creation – two options, hot wire cut or sand from a blank
Hot Wire Option
a.
Cut cores for each side using template or CNC cutter

b.
Prepare root faces to perfect match

c.
Glue halves together with 3M77

d.
Trim to planform shape
e.
Weigh the cores and record.

f.
Sand faces to remove all burn kerf (bright shiny bits,
surface should
become even dull colour.
This removes about 20-25% of the weight)
g.
Sand tip curve and shape
h.
Blow dust off (50 PSI Minimum) or wash dust off and dry.
i.
Weigh the cores and record.

Sand from Blank Option
a.
Cut Blank
b.
Sand for days….. OK so I've never done it this way J
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Preparation