Sorbitol & Potassium Nitrate Rocket Propellant Test #1
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Uploader Comments (BobD1001)
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Melting point: Sorbitol melts at a lower temperature than sucrose, so its safer.
Burn rate: Sorbitol burns slower than sucrose, which is good for large rockets.
Strength: Sorbitol is less prone to cracking and chipping than sucrose.
Pot life: Sorbitol hardens much slower than sucrose, so you don't have to work as fast.
Hygroscopicity: Sorbitol is slightly less hygroscopic than sucrose.
1 year ago 3
All Comments (15)
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Nice work, all I ever got from sorbitol was yucky artificial sweetness and diarrhea .
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Why use sorbitol over, for instance, sucrose. Any ideas?
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Nice vid Tomulud! ***** for showing me something new. i have no idea what sorbitol is though... but does this work better than black powder?
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ok.. (=
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health food stores probly stock it
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How do you get such a controlable ignition instead of it all going in flames at once? Please respond BobD1001
wcdfilms 1 year ago
@wcdfilms The grain of propellant just had a 3/8" core (if I remember correctly) and was cast into the PVC sleeve which it was tested in. ignition was inside of the core, which produces a stable burn rate, and it was just a well mixed propellant which always helps produce a stable burn rate.
BobD1001 1 year ago
Very nice, but nozzle erosion is HUGE! I suggest you to make better nozzle, so it can make much more pressure inside of the motor.
Tomulud 1 year ago
@Tomulud forgot to mention in the description that this was a nozzleless test, just to see how the burn rate was
BobD1001 1 year ago