LYCOS RETRIEVER 
Proton: Payloads
built 636 days ago
The agreement for the launch of the DIRECTV 8 onboard the Proton rocket was announced on July 13, 2004. In preparation for launch, the rocket with its payload was rolled to the launch pad on May 18, 2005.
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Multiple payload fairings are available for the Proton. It is a two-piece, hinged, clamshell structure of monocoque composite sandwich construction. It does not incorporate separation rocket motors, and no pyro gases are released during operation.
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For the first time, a digital flight control system replaced traditional analog hardware onboard Proton. It allowed more efficient propellant consumption during the flight and, as a result, the delivery of bigger payloads into orbit.
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Payloads