Rewards for July, 2025 have been released. These include: Document: “GETOL Technical Merits & Status,” General Dynamics/Convair, AD-VTOL-41, February, 1963. Report on Ground Effect Take off and Landing studies. Document: “Flying Cranes,” Sikorsky, 1959. Brochure describing and illustrating heavy lift helicopters built and projected. Document: “Nova and Post-Nova Propulsion Summary,” Rocketdyne presentation, 1962, describing extremely…
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