Marginal Wood Fern – Dryopteris marginalis

by | Dec 9, 2023 | Ferns, NE Native Ferns

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RS-56 (Rocket System-56) was an American liquid-fueled rocket engine, developed by Rocketdyne. RS-56 was derived from the RS-27 rocket engine,[1] which itself is derived from the Rocketdyne H-1 rocket engine used in the Saturn I and Saturn IB. Two variants of this engine were built, both for use on the Atlas II rocket series. The first, RS-56-OBA, was a booster engine, while the RS-56-OSA was designed for use as a sustainer and produced lower thrust but at a higher specific impulse.[2][3]

References

  1. ^ "Atlas IIA(S) Data Sheet". Space Launch Report. Retrieved 9 January 2016.
  2. ^ "RS-56-OSA". Astronautix. Archived from the original on 9 February 2014. Retrieved 8 January 2016.
  3. ^ "RS-56-OBA". Astronautix. Archived from the original on 9 February 2014. Retrieved 8 January 2016.
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