James Hanks

#-Link-Snipped-# so I have been thinking about this concept and nozzle problem and I think I found reasonable solution.Bottom of these tin cans are ussualy stronger to withstand potential pressure...

#-Link-Snipped-#  but I have few ideas which I will try... thanks for replying and trying to help. I will come back with outcome for sure

#-Link-Snipped-# actually I m just not sure how to make that nozzle by myself... I know that it should be like that but its kind of problem for me right now......

#-Link-Snipped-# #-Link-Snipped-#  so I have few bad drawings of my rocket concept here they are... any opinion is good

@kaustubh_Katdare its just in pure planing process... so I cant show you any pics, i can try to draw it so you can kinda understand the concept. But that will...

@ramani_Aswath and I forgot its meant to be very cheap rocket

Sorry, forgot to add details... its only small testing rocket, solid fuel, time of combustion is around 30 seconds... the material was meant to be a can from energy drink,...

Hi fellow engineers, I m looking for a foam to fill space between outer wall and inner wall of a homemade rocket. I need something that will not damage or...