Scratch - Graduator to Killer Keller Modification

Manufacturer: Scratch
Product Type: Modification
Reviews
  • Estes Graduator to Killer Keller By Brett Keller

    (by Brett Keller) Brief: The "Keller" , now the "Killer Keller" began as a LOC/Precision Graduator and has evolved into a completely different rocket. Construction: 3 2.6" body tubes 2 tube couplers bulkhead 38mm motor mount 2 centering rings 4 fiberglassed plywood fins 2 launch lugs LOC nose cone 24 or 36" parachute ...

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