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Iranian Space program

BREAKING (unconfirmed): Iran's Channel 4 state TV just said that Iran is working on 2 new SLVs: "Sarir" SLV with a uniform 2.4 metre (!) diameter. "Soroush" SLV with 4 metre (!) diameter, for sending satellites into GEO. It also mentioned that the Safir SLV would be retired.



No mention of the Sepehr?:o:



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Very high launch rate for 2020.

Iran confirmed to also be preparing the launch a second satellite, this time with a Safir-1 rocket, seemingly the Nahid-1 satellite!

1073507d23403a089e24b1120df9f6c7ef9a3d5f.jpg

http://archive.is/Zzupa/1073507d23403a089e24b1120df9f6c7ef9a3d5f.jpg ; https://archive.is/Zzupa/e97cf968bf57f448f618f8d39b8dd4230151be96/scr.png ; https://pbs.twimg.com/card_img/1221859300164812800/liL0nqKi?format=jpg&name=small
1. Nahid-1 satellite launch preparation. 26 JAN 2020

EDRI7XSWkAE9xj3.jpg

http://web.archive.org/web/20190831130359/https://pbs.twimg.com/media/EDRI7XSWkAE9xj3.jpg ; https://archive.fo/StvI3/be084c6e1683ec64d8b1bc5de42b0d2b7118ed74.jpg
2. Nahid-1 satellite.



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ae4ffdaeb02c2ea160fb33e41686a846f36755ca.gif

:cool::smokin:8-)
55abcc242354c9c1c73538db5d8c7b984de5ca52.gif
 
BREAKING (unconfirmed): Iran's Channel 4 state TV just said that Iran is working on 2 new SLVs: "Sarir" SLV with a uniform 2.4 metre (!) diameter. "Soroush" SLV with 4 metre (!) diameter, for sending satellites into GEO. It also mentioned that the Safir SLV would be retired.




So we know that this big baby isnt a sat engine
spaceengine.jpg
 
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Who said this engine is from Iran? That is just a stock picture of a rocket engine.

I have it from there



really really big big news for Iran missile power with the new Arash space engines which until last year (2019) only was built by US alone but now Iran ( by successfully testing its first Arash engine in 2019 ) is the second power to build that kind of engines.



Iran achieves knowledge of building space engines: ISRC head



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He said the new achievement includes the design and development of various versions of “Arash space engine” the first sample of which was tested successfully late 2019.


“Arash space engine will be put in the orbital transfer system to help thrust satellites from the low orbit into the high orbit.”



https://en.mehrnews.com/news/154663/Iran-achieves-knowledge-of-building-space-engines-ISRC-head
 
I have it from there

It's not an Iranian engine, it's just a stock photo. These moronic journalists always create confusion by posting different pictures with news. It's not the first time.

It's the RS-25 engine that was used on the Space Shuttle

Yes, it's a stock photo of the RD-25.
 
It's not an Iranian engine, it's just a stock photo. These moronic journalists always create confusion by posting different pictures with news. It's not the first time.



Yes, it's a stock photo of the RD-25.

Well, maybe next we will see a Metagrav drive pictured as a pear....
 
So a Vega-like, even larger SLV is coming for satellites.

Simorgh evolution to Sarir could have following background: Iran needs a liquid fuel missile for its potential manned program. A liquid fuel SLV can be shut down if a problem occurs, is lower on vibration and most importantly: After 20 years work and production of the original Shahab-3 engine, it may now have reached such reliability levels that it can be safely used in a manned program.
We don't know about the second stage engine but those motors would also need to be very reliable and so much of higher performance that the payload is increased sufficiently to allow for a lightweight single astronaut capsule.
Second stage efficiency defines much of the possible payload and the increase from Simorgh to Sarir would have to be significant.
So best would be the RD-217 the North Koreans use, sure but it could retain the Simorgh first stage engines due to reliability issues. But then it would also need a very high performance second stage that is very reliable too. So I guess the second stage may be a RD-217 variant that is deemed as reliable enough if it is just a single engine and not a cluster of four that must all work flawlessly like in the first stage.
At this point the 9m longer length of the Sarir must be taken into consideration and its uniform diameter: The weight increase is likely to be more than the Simorgh stage-1 cluster can accelerate fast enough. If thats the case, new engines in RD-217 class are needed. Plus at that volume increase even a 3-stage solution becomes a possibility, which would again increase lift capability.

To all of this economy considerations may be made: Those high production numbers of the Shahab-3/Ghadr engine, makes it very competitive.

My speculation on the Sarir:
~100t vehicle weight
~160t lift-off thrust (4 Ghadr cluster)
~40t second stage thrust (Khorramshahr engine optimized for vacuum operation)
~15t third stage thrust (8 instead of 4-cluster Simorgh second stage engine)
~1,5t payload to LEO

In that configuration, proven engines with high serial production numbers that are not too expensive would be employed. Ultimate goal would be to safely deliver a single-man astronaut capsule into LEO.
Heavy equipment haul would be done by the new solid SLV, while liquid only for astronaut transit.
 
No mention of the Sepehr?:o:



___________________________________



Very high launch rate for 2020.

Iran confirmed to also be preparing the launch a second satellite, this time with a Safir-1 rocket, seemingly the Nahid-1 satellite!

1073507d23403a089e24b1120df9f6c7ef9a3d5f.jpg

http://archive.is/Zzupa/1073507d23403a089e24b1120df9f6c7ef9a3d5f.jpg ; https://archive.is/Zzupa/e97cf968bf57f448f618f8d39b8dd4230151be96/scr.png ; https://pbs.twimg.com/card_img/1221859300164812800/liL0nqKi?format=jpg&name=small
1. Nahid-1 satellite launch preparation. 26 JAN 2020

EDRI7XSWkAE9xj3.jpg

http://web.archive.org/web/20190831130359/https://pbs.twimg.com/media/EDRI7XSWkAE9xj3.jpg ; https://archive.fo/StvI3/be084c6e1683ec64d8b1bc5de42b0d2b7118ed74.jpg
2. Nahid-1 satellite.



hsa_thumb.gif


6e323515d66ee30841cae4a9a7318d3b72b3e685.gif

ae4ffdaeb02c2ea160fb33e41686a846f36755ca.gif

:cool::smokin:8-)
55abcc242354c9c1c73538db5d8c7b984de5ca52.gif



something to know is Iran always changes the name of the projects and missiles the new "Soroush" SLV could very well be the long awaited Qaem SLV only with different name.
 

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