Quote from: William Graham on 11/17/2013 10:37 amQuote from: Haman10 on 11/15/2013 08:06 pmso the link between the sat and the command and control center is lost ====>launch failure .That wouldn't cause a rocket to explode on the launch pad, as seen with one of the recent Safir failures.I would add that the Nodong engine that powers the Safir first stage suffers from combustion instabilities. It is not a very reliable engine (which is why the Soviets discarded it in the first place). Further, if Iran is using homemade versions of the Nodong engine, I would expect the reliability to be worse than the Soviet/Russian built engines. Bottom line is that we should not be surprised to see so many failures of Nodong and Shahab-3 missiles, Safir and Unha launchers.
Quote from: Haman10 on 11/15/2013 08:06 pmso the link between the sat and the command and control center is lost ====>launch failure .That wouldn't cause a rocket to explode on the launch pad, as seen with one of the recent Safir failures.
so the link between the sat and the command and control center is lost ====>launch failure .
Quote from: Hooligan on 11/23/2013 01:48 pmQuote from: William Graham on 11/17/2013 10:37 amQuote from: Haman10 on 11/15/2013 08:06 pmso the link between the sat and the command and control center is lost ====>launch failure .That wouldn't cause a rocket to explode on the launch pad, as seen with one of the recent Safir failures.I would add that the Nodong engine that powers the Safir first stage suffers from combustion instabilities. It is not a very reliable engine (which is why the Soviets discarded it in the first place). Further, if Iran is using homemade versions of the Nodong engine, I would expect the reliability to be worse than the Soviet/Russian built engines. Bottom line is that we should not be surprised to see so many failures of Nodong and Shahab-3 missiles, Safir and Unha launchers.Here it is !new version ( 42 tons of thrust )combustion chamber + turbopump + ... upgradedwe had so many problems with the combustion chamber ... exploded in one of the missions !!!but now !after so many works ... tests ... etc we have a stable rocket engine ... with 42 tons of thrust !& this is not the end !!!we have another engine under development with 50 tons of thrust !
Quote from: Steven Pietrobon on 11/22/2013 06:59 amThanks Satori. New information is that Tadbir is to be launched by Safir-1B "in the coming days". Tadbir has * highly advanced navigation and photography facilities* equipped with devices that will check the effects of space on living organisms (this might be a radiation dosimeter)* made by the Space Research Laboratory of Tehran Science and Technology University* possible to capture images with higher precision compared to Navidmy friend in Egypt says that an arabic forum hints maybe a launch NET Monday 25 November 2013 at the earliest but he and I are questioning accuracy of that date.
Thanks Satori. New information is that Tadbir is to be launched by Safir-1B "in the coming days". Tadbir has * highly advanced navigation and photography facilities* equipped with devices that will check the effects of space on living organisms (this might be a radiation dosimeter)* made by the Space Research Laboratory of Tehran Science and Technology University* possible to capture images with higher precision compared to Navid
As i know ... the rocket preparing for blast-off ... 90% next week ...But the weather ... http://www.accuweather.com/en/ir/semnan/210904/weather-forecast/210904
Quote from: Soheil on 11/23/2013 05:21 pmAs i know ... the rocket preparing for blast-off ... 90% next week ...But the weather ... http://www.accuweather.com/en/ir/semnan/210904/weather-forecast/210904Soheil, you and the other posters who live in Iran or in the Region please try to keep us up to date if you find anything new in terms of new news.
Any NOTAMs in the area for tomorrow?
No launch in next 6 months ... because of politics ... I feel really insulted !
Surprise ...
Quote from: Soheil on 11/24/2013 02:27 pmNo launch in next 6 months ... because of politics ... I feel really insulted !It is because of this accordhttp://www.nytimes.com/2013/11/24/world/middleeast/talks-with-iran-on-nuclear-deal-hang-in-balance.html?hp&_r=0
Quote from: Yarrah on 11/24/2013 03:19 pmQuote from: Soheil on 11/24/2013 02:27 pmNo launch in next 6 months ... because of politics ... I feel really insulted !It is because of this accordhttp://www.nytimes.com/2013/11/24/world/middleeast/talks-with-iran-on-nuclear-deal-hang-in-balance.html?hp&_r=0I think this is the surprise.
Thanks Olaf. The relevant quotes are"Tehran is preparing to orbit two new home-made satellites by the end of the Iranian calendar year (March 20, 2014), a senior official in Iran's Space Agency (ISA) said."Tests are being conducted on the two satellites of Sharif and Tadbir before the launching process," Hamid Fazeli said."So, if these launchers go ahead as planned , it would seem that the Accord does not apply to satellite launches.
2014.02.03 - Sharif - Safir-1B - Semnan