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All commercially available propellant types ignite, some easier than others. Some are almost instantaneous, some chug along for a few seconds before coming up to pressure.
The legendary Aerotech Blue Thunder was known to ignite easily, and I've used a few slivers around igniters to give them some extra power to ignite upper stages, and C-slot motors.
With upper stage reliability in mind, I'm trying to figure out roughly which propellant types will be easier to ignite, and the sort of propellants that may need extra attention.
Without being manufacturer specific, these are the propellant types that I use:
I realize that the different additives alter the burn characteristics, and I assume also the ignitability. I'm not so much interested in differences between manufacturers which both have a Blue propellant, just in general, which sorts of propellants light up the easiest.
The legendary Aerotech Blue Thunder was known to ignite easily, and I've used a few slivers around igniters to give them some extra power to ignite upper stages, and C-slot motors.
With upper stage reliability in mind, I'm trying to figure out roughly which propellant types will be easier to ignite, and the sort of propellants that may need extra attention.
Without being manufacturer specific, these are the propellant types that I use:
- White or Classic
- Blue
- Red
- Green
- Black or Smokey
- Sparky
I realize that the different additives alter the burn characteristics, and I assume also the ignitability. I'm not so much interested in differences between manufacturers which both have a Blue propellant, just in general, which sorts of propellants light up the easiest.