Richard Nakka's Epoch Rocket Engine
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[English] Here is Richard Nakka's Epoch rocket motor. Modeled after the specs and blueprints available in his website (view Source). This motor is composed of a thin-walled (20 gauge) seam-welded steel tubing, a Bulkhead and a deLaval Nozzle machined from low-carbon steel (AISI 1018) and 16 #6-32 x 1/4" screws, as well as 2 -129 O-rings. It uses a RNX propellent grain and delivers a total impulse of 455 N-sec. as well as specific impulse of 118 seconds. [PT-BR] Este é o motor de foguete Epoch de Richard Nakka. Ele foi modelado de acordo com o projeto disponível em seu website (ver Fonte). O motor tem como partes um tubo de aço de parede fina (20 gauge), bulkhead e tubeira deLaval usinadas em aço-carbono de baixa liga (AISI 1018), 16 parafusos #6-32 x 1/4" e 2 "O-rings" -129. Este motor comporta o uso de propelente RNX e entrega um total de 455 N-s. de impulso total, bem como 118 s. de impulso específico. Souce/Fonte: http://www.nakka-rocketry.net/epoch.html
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