Thank you for clarifying that--I never saw a Centuri Saturn V "in person." The original 1969 release Estes Saturn V (see: http://www.ninfinger.org/rockets/no...a/69est024.html ) had true-scale fins that I think were balsa. (The photograph of a less-than-expertly-built 1:100 scale Saturn V on page 9 of the "4-H Aerospace Program" booklet [see: http://www.ninfinger.org/rockets/nostalgia/4h9.html ] suggests this, although the model might have been the Centuri Saturn V [if it had balsa wood fins; the Centuri catalog citation says that it had "pre-shaped fins" http://www.ninfinger.org/rockets/no...a/69cenp16.html , which implies that its fins were balsa wood].)

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