Riaz Haq's Comments

Comment Wall (28 comments)

At 12:26pm on April 3, 2010, Syed Dayab Hussain said…
Sir Riaz,
you must be doing something for our exhibition.kindly give us a reply in support of this event, as 16 days are left and we have to do arrangements.
At 1:47pm on April 26, 2010, Ameer Alam said…
I am in the process of collecting information. This is an 18 year old program and has been through several design cycles and test iterations. Failure seems to be due to loss of control and therefore I am trying out find out more about their actuator design and the gimbal system. The second stage cryogenic engine (RL-10) for Delta IV launch vehicles, on which I worked uses an electromechanical actuators.
Another theory is the failure of the cryogenic stage to ignite. ISRO is yet to put out a meaningful statement; it will take them a while to analyze the telemetry. Ignition system for the final stage is designed for multiple ignitions and is very robust.
Cryogenic engines have high Isp (450) and use low temperature materials (-250 degC) @ 45000 rpm. India has been buying Russian cryogenic engines for their geosynchronous launches; failure puts their GSLV launch vehicle at least three years behind (and not one year as they are claiming). Also the Chandrayaan-2 mission will be forced to use a non-Indian launch vehicle because it weighs at least 75% more than Chandrayaan-1 and cannot be launched using the PSLV.
I will write an article as soon I can deduct a possible meaningful conclusion.
At 10:34am on October 11, 2010, Aslam Shaukat said…
Alhamdolillah, Everything is fine. It really has been decades since we talked last time.
I see you are Masha-Allah very active on this network. Its good to see pictures of Salman Qureshi and Quresh Diwan in your group photos. I Worked with Quresh Diwan on the same Nuclear Project WPPPS Unit 2 in Washington State in 1983 and visited his family too.
At 8:03pm on April 1, 2012, Munib said…

Thanks for the response .

I had been in contact with Mr. Jawed Saeedi a couple of months back regd my Final Year Project , but there seems to be a change of email address from his end . He hasn't replied since then . Can you help me getting linked up with him again .


At 8:15pm on April 1, 2012, Munib said…

I have dropped them a mail . Lets hope for the best and thanks for the help.

At 1:13am on April 4, 2013, Muhammad Hassan Aziz said…

Dear Sir,

I am Industrial & Manufacturing Engineering Graduate of NED UET, batch 2007-08. I want to take some professional+educational knowledge regarding job/study abroad. I am available at m.hassan.aziz@hotmail.com. I will be thankful if you could give some of your precious time to me.


Muhammad Hassan Aziz

At 8:04am on September 23, 2013, shamim uddin said…

Dear Riaz

I am NED graduate of 1972-73 batch and I have class fellow in your management panel  1-Arif Gafur 2-Farid Durrani, 3- Idris Khotari...i need their email adress or let them contact me  Also can you create NEDIANS 1972-73 Mechanical Group in web site.

Regards..SHAMIM UDDIN, shamimuddinbashir@hotmail.com

At 11:05am on May 25, 2017, Farrukh nawaz said…

Very nice sir. You are working great in blogging

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