"A batch of six engines is built for the four-engine second stage of the Proton, with the other two subjected to extended testing and then analysis."So the four actual flight engines are not tested? This is the same system that worked so well on the N-1.
http://www.russianspaceweb.com/proton_2017.html#0324
Did I understand correctly that no proton launches are expected during 2017?
Planned launch date for EchoStar XXI:first half of June (6.-15.06.2017)previous Proton launch 9.06.2016...
Quote from: Alter Sachse on 05/18/2017 05:40 pmPlanned launch date for EchoStar XXI:first half of June (6.-15.06.2017)previous Proton launch 9.06.2016... I feel you, Alter Sachse. It's a shame that Roscosmos keeps delaying EchoStar 21 for whatever reason.
Two tenders have been issued from Khrunichev for the procurement of 14Д14М engines from the manufacturer Proton-PM. These are used on the 1st stage of the Proton-M rocket.QuoteИзготовление и поставка двигателей 14Д14Мhttp://www.zakupki.gov.ru/223/purchase/public/purchase/info/common-info.html?noticeId=2405699http://www.zakupki.gov.ru/223/purchase/public/purchase/info/common-info.html?noticeId=2405815Each is for four sets of six engines.These are to be used to fulfil the following requirements:-Two sets for rockets ordered under contract №ЕП/1/03/З/2360/2014 dated 19th November 2014 (a military contract);One set for the launch of Nauka, previous rocket given to Yahsat-1B;One set for the launch of Elektro-L №3;Four sets for commercial launches.QuoteЕП/1/03/З/2360/2014 от 19.11.2014г. (одно изделие);Контракт МЛМ (возврат за ЯхСат 1Б) (одно изделие);100-С033/13/422 от 14.12.2013г. (одно изделие);Коммерческих запусков в кодшчестве двух изделий.
Изготовление и поставка двигателей 14Д14М
ЕП/1/03/З/2360/2014 от 19.11.2014г. (одно изделие);Контракт МЛМ (возврат за ЯхСат 1Б) (одно изделие);100-С033/13/422 от 14.12.2013г. (одно изделие);Коммерческих запусков в кодшчестве двух изделий.
Quote from: Alter Sachse on 10/16/2016 09:20 amProton launches 2007-20162007 72008 102009 102010 122011 92012 112013 102014 82015 82016 3 (+1 planned) I correct:2016 3
Proton launches 2007-20162007 72008 102009 102010 122011 92012 112013 102014 82015 82016 3 (+1 planned)
A strange picture found in the movie "Krasnyi Kosmos"...https://www.youtube.com/watch?v=xRV9OAwYsB0?t=15m43s