Questions tagged [proton-m]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
6
votes
0answers
175 views

Why Russian rockets do not employ a true Range Safety Officer (RSO) destruct system?

In contrast to US & ESA programs, Russians do not employ true RSO destruct system. If rocket loses control, ground officers can send manual shut down command but they never destroy rocket in air ...
1
vote
2answers
355 views

What is the latest GSO capacity for the Russian heavy launch-vehicle Proton-M?

Proton started with Proton-K (Proton-Zond) to Proton-M and has now grown to major phases 1-4 and enhanced Block-Dm and Briz-M. What is the latest geostationary orbit (GSO) capacity? I could not find ...
6
votes
1answer
1k views

Why do Proton rockets use two types of main engines in its second stage?

The second stage of Proton (8K-82K) rocket has two types of main engines (RD-0210 and RD-0211). Does someone knows why?
5
votes
1answer
786 views

What happened during ILS Proton M / Mexsat 1 launch?

It seems that some "abnormal situation" (нештатная ситуация) happened about a minute before Briz-M upper stage ignition, possibly during third stage separation of the International Launch Services' ...