Cloud 9
Cloud 9 is a dense, moderately efficient, pourable propellant. It is an all-around medium performance propellant that processes nicely and is to be used for booster propellants and hobby flights.
Details
The formula for Cloud 9 is as follows: 35.00% Ammonium Perchlorate, 400 μm 28.00% Ammonium Perchlorate, 90 μm 8.00% Bismuth (III) Oxide, 2 μm 5.77% Aluminum Powder, 30 μm 1.33% Aluminum Powder, 5 μm 3.90% Magnesium, -325 mesh 11.82% HTPB R-45HTLO (Eq. Wt. 1234) 0.30% HX-878 Tepanol 0.20% Lecithin 0.10% CAO-5 3.54% IDP 2.04% MDI (Eq. Wt. 185) 1 drop / 500 g propellant PDMS |
The thermodynamic and burn-rate numbers for Cloud 9: a = 0.0199 in/s n = 0.353 Molecular weight = 25.59 g/mol Specific heat ratio = 1.218 Chamber temperature = 2670 K @ 1000 psi C* = 4730 ft/s |
This propellant is a pourable propellant that processes well at 80-90 °F. All data for these firings can be viewed in this Google Drive folder.
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