World Library  
Flag as Inappropriate
Email this Article

RD-8 (rocket engine)

Article Id: WHEBN0004330864
Reproduction Date:

Title: RD-8 (rocket engine)  
Author: World Heritage Encyclopedia
Language: English
Subject: Zenit-3F, Zenit-3SLB, Rocket engines, Spaceflight, R-39M
Collection:
Publisher: World Heritage Encyclopedia
Publication
Date:
 

RD-8 (rocket engine)

RD-8 (РД-8)
Country of origin USSR/Russia
Manufacturer Yuzhnoye Design Bureau
Application Upper stage vernier
Status Operational
Liquid-fuel engine
Propellant LOX / rocket grade kerosene
Performance
Thrust (vac.) 78.5 kilonewtons (17,600 lbf)[1]
Chamber pressure 7.8 megapascals (1,130 psi)[1]
Isp (vac.) 342 seconds (3.35 km/s)
Dimensions
Dry weight 380 kilograms (840 lb)
Used in
Zenit-2, Zenit-3SL upper stage


The RD-8 engine was developed by Yuzhnoye Design Bureau for the second stage of the Zenit rocket. It has four hinged chambers and a single turbopump unit. The fuel pair is LOX/kerosene. Vacuum thrust is 78.5 kN and its specific impulse in vacuum is 342 seconds (3.35 km/s).[2]

The engine was designed for long service life (up to 4000 seconds), high reliability, and is the first smaller upper stage engine to use the staged combustion cycle.[2]

References

  1. ^ a b RD-8 rocket engine
  2. ^ a b Yuzhnoye SDO - RD-8 Engine
This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and USA.gov, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for USA.gov and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
 
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
 
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.
 


Copyright © World Library Foundation. All rights reserved. eBooks from Project Gutenberg are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.