Atlas V, Delta IV get new RL10 valve
A modified hydrogen valve design less susceptible to freezing up in extremely cold temperatures will be fitted into Pratt & Whitney RL10 upper-stage engines in Atlas V and Delta IV launchers to prevent a recurrence of the early engine shutdown that took place June 15 during the launch of two...
Subscription Required
This content requires a subscription to one of the Aviation Week Intelligence Network (AWIN) bundles.
Schedule a demo today to find out how you can access this content and similar content related to your area of the global aviation industry.
Already an AWIN subscriber? Login
Did you know? Aviation Week has won top honors multiple times in the Jesse H. Neal National Business Journalism Awards, the business-to-business media equivalent of the Pulitzer Prizes.