lakeroadster
When in doubt... build hell-for-stout!
I saw a post earlier today by @Vonskii about a design by Bob Dinsmore in the Estes September 1976 Design of the Month contest.
This design is similar, but with a "slant". The plan is to make the entire ring fin with the support fins and BT-50H as a 8" long single unit. Then put that on my chop saw and slice out the individual ring fin units with the saw set at a (30 degree ??) miter. Then the individual ring fin sub-assembly's will slide over a C-50 to make the individual stages.
The Sustainer has (1) ring fin,
the 2nd Stage has (2) ring fins,
and the 3rd Stage Booster has (3) fins.
The sustainer has a rear eject spool design, and a the rocket has an 11" long payload bay.
This design is similar, but with a "slant". The plan is to make the entire ring fin with the support fins and BT-50H as a 8" long single unit. Then put that on my chop saw and slice out the individual ring fin units with the saw set at a (30 degree ??) miter. Then the individual ring fin sub-assembly's will slide over a C-50 to make the individual stages.
The Sustainer has (1) ring fin,
the 2nd Stage has (2) ring fins,
and the 3rd Stage Booster has (3) fins.
The sustainer has a rear eject spool design, and a the rocket has an 11" long payload bay.
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