Do anybody have experience with KNO3 - asphalt propellant? Seems to be
> easier to made than candy propellant (lower melting temp) and much cheaper
> then epoxy binders. I find something in Google for perchlorate oxsidizer,
> but what is available, is kno3.
>
> Best,
> Vello
>
>
Yes. RRI in Sacremento has perfected its manufacture and discharge for larger 6 inch motors.