Talk:Briz-M
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[edit] improvement over cryogenic propellants
The article currently says the Briz-M is an, "improvement over the previous Proton upper booster which used cryogenic propellants." This is true but misleading. It is an improvement because it makes the vehicle easier to launch (no topping off), and makes the stage easier to restart (hypergolics). But it doesn't provide a performance improvement over LH2/LOX, does it? (sdsds - talk) 23:26, 17 November 2007 (UTC)
