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Red flare rocket with parachute


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#1 Pirotex

Pirotex

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Posted 31 March 2015 - 11:59 AM

Red flare rocket with parachute

Rocket based on 25 mm sorbitol nozzleless engine

 

Parachute:

- Diameter- 550 mm 

- Central hole in parachute - 15 mm

Flare (I.D 20 mm):

- Total long 100 mm

- Delay composition 20 mm. BP 50/40/10

- Ignition composition after delay 5 mm. Mixed BP with flare comp. 50:50

- Flare composition long 55 mm

- Flare mass 102 g.

Flare composition:

Sr(NO3)2 - 60%

Mg - 30%

PVC - 10%

+2% mineral oil

Total in flare - 40-45g.

 

Photos:

7024354m.jpg7057122m.jpg7061218m.jpg7058146m.jpg7047906m.jpg7048930m.jpg7046882m.jpg7052002m.jpg

 

VIDEO: https://www.youtube....h?v=TV_Lgf-i4zg


Edited by Pirotex, 31 March 2015 - 12:02 PM.


#2 skid68

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Posted 31 March 2015 - 04:14 PM

Very cool. I'm looking to make something similar, but with a strobe pot. What material are you using for your parachutes?



#3 Pirotex

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Posted 31 March 2015 - 11:05 PM

skid68, polyester with cotton mix

Tests:

https://www.youtube....h?v=WJI-yuoUnCs

https://www.youtube....h?v=TgGCmdByqog

https://www.youtube....h?v=BSX4P1pJ5_0

 

at7jXC6pgiU.jpg


Edited by Pirotex, 31 March 2015 - 11:09 PM.


#4 skid68

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Posted 01 April 2015 - 08:59 AM

Nice, thanks for the details.
Did you sew the strings/ropes to the chute, or just glue them? Have you had any problems with it catching fire being partly polyester?






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