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Could you give me advice about the shape of the parachute? Which one gives us the closest results? l just know hexagonal or round shape.

Thank you for your response Steve :) Probably, our chute shape would be hexagonal. Hakan Demir

Hey folks! l am a student freshman level at university. l am planning to build HPR and have a problem. l want to use Dacron polyester material for my parachute. l am not sure whether Cd is correct on openrocket software or not. As Nasa resources, ıt would be 1.75. But as openrocket software ...

Thank you very much your great answer. It really helped me. I am a student at freshman level at university and ı interesed in rockets. What do you think about my thrust to weight ratio ? Some people say “ it would be at least 5:1 and same people say 8:1. I would like to learn your opinion. The...

Thank you so much. I fixed it but ı want to learn what is aim of this section ? If l change zero second , what is it mean ?

Hey folks! I am getting this warning message in my simulation . I am not sure what l need to change to fix this. Could give me advise ? Here is some information about my rocket. My drogue chute diameter is 180cm Number of lines : 6 Line lenght :65 Main parachute Diameter 250cm Number...

[Hey guys, I am hakan and study at university as a mechanical engineer. Next year we are planning to attend HPR competition in Turkey. We have to do parachute system by non-pyro( which is called CO2 enjection charge ) we must not use any exploded system. That’s why we are going to use non-pyro...