Quote from: Artyom. on 07/18/2013 09:52 am"... The space rocket's failed launch was due to an error during installation of three yaw-axis angular rate sensors on the Proton-M rocket ..."Could someone please explain what is the presumed relation between a reversed yaw rate input signalandthe accelerated roll visible in videos ?
"... The space rocket's failed launch was due to an error during installation of three yaw-axis angular rate sensors on the Proton-M rocket ..."
This is just morbid curiosity on my part but have any pictures of the impact site been released?
This would be interesting if it was translated to English...
Quote from: Satori on 07/18/2013 08:37 pmThis would be interesting if it was translated to English...Yes, anyone care to provide a 41-minute transcript in English?
The installation process requires considerable skill of the worker, who has to access the installation site via half-a-meter hatch on the rocket.
Yes, maybe Roscosmos could do that taking into account that thos launcher is used for commercial purposes by ILS.
I think that since some people expect the Proton to retire soon after the crash, I agree with them. But when it comes to the launch window for the Nauka MLM module, I think a Soyuz 2-1b or an Angara rocket, if it's operational, can do the job.
DUS angular velocity sensor - ДУС датчик угловой скоростиangular rate sensor inside the unit PV-301 ПВ=301
"The number of launches is limited by the capacity of the station fueling Briz-M upper stages of Proton-M rockets. The station can fuel only one upper stage per month," he said.
Quote from: 360-180 on 07/19/2013 10:40 amDUS angular velocity sensor - ДУС датчик угловой скоростиangular rate sensor inside the unit PV-301 ПВ=301This picture is interesting. It seems that DUS type is TsE99-6SA. Probably close to the TsE99-1EA which is used on Fregat upper stage.http://www.kosmonavtika.com/lanceurs/fregat/tech/fregat/fregat.html (figure E3)
Engine trust angle profile