[FPSPACE] RD-8 engine - an accidental designator?
drwoods1 at earthlink.net
Wed Jan 31 16:07:48 EST 2007
Another request to forward a message
----- Original Message -----
*From:* Phil Clark <mailto:phillipclark at btinternet.com>
*To:* FPSPACE <mailto:fpspace at friends-partners.org>
*Sent:* Wednesday, January 31, 2007 8:12 PM
*Subject:* RD-8 engine - an accidental designator?
Way back in the middle of the 1990s I was discovering that the "RD-"
designators were being applied to rocket motors developed by the
Yuzhnoye bureau. I had found that the upper stage engines and the LK
lunar lander were using engines with the public RD-800 series designators.
Therefore, in a few papers and other publications I started to use the
designator "RD-8??" for the vernier engines which were used on the
second stage of the Zenit-2 vehicle: I knew that these were from
Yuzhnoye and therefore it was reasonable to assume that they too would
be assigned a public designator in the RD-800 series.
Soon afterwards a few sources started to quote this vernier engine
system as being the "RD-8?" - probably not realising that my use of two
question marks was to indicate two unknown digits, not the uncertainly
of the engine being the RD-8. Now, of course, all literature seems to
call these verniers the RD-8!!!!!
So, I would be fascinated to learn whether the verniers were designated
the RD-8 (which to me is very suspicious!) or whether the
mis-interpretations of my "RD-8??" have simply now become the "official"
designator of the engine system.
Any members here work for Yuzhnoye??
Phillip S Clark - Molniya Space Consultancy
Compiler/Publisher - Worldwide Satellite Launches
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