Russian engines of the rocket “proton” was defective.
71 the engine of the carrier rocket “proton-M” was sent for review and rework.
This was reported by General Director of the manufacturer NPO “Energomash” Igor Arbuzov.
“With Protons it is a 71 engine, or substantially all of the groundwork for the second and third steps. Currently signed schedule, most of them will be held in 2017, but we understand that some part of the inevitable move to 2018. As for the engines for the Unions, it is necessary to provide the necessary groundwork for compliance with the schedule of delivery of new crew and cargo to the International space station,” – said the head of NPO Energomash.
The reason for sending back to the factory all engines was the use in brazing of engine components priju, did not meet the technical documentation.
“We expect that the first deliveries of engines with offset defects for carrier rockets “proton-M” will start in may,” – said Igor Arbuzov.
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