This is the B-32M Spike I kit-bashed from the Estes STM-012 kit. I took some design cues from the Madcow AGM-33 Pike.
I like how it turned out - too bad it didn't stay shiny for long.
I've only flown it once, last July with a D12-5. How it got this lower fin damage I'll never know, probably a snap-back of the upper section. The hit was strange, a chunk taken out of of the lower fin, scratches and a dent in the tube. The fin right above it had no marks.
This missing chunk was larger than what could be filled with putty.
It's easier to plug in a rectangular piece of balsa.
The rough edges were squared up with a diamond file.
3/32" thick replacement balsa was set behind the area and the edges traced.
The new piece was cut out and sanded to fit, then glued in with yellow glue.
After the glue dried, a rounded leading edge was carved following the original fin.
The leading edge was matched and smoothed with 400 grit.
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