I keep mine in the original steel screw-capped container. It's stayed perfectly useable for years.
no, I would not chance storing black powder motors outside I believe temp cycling is an issue. Mine are store in my utility room with my furnace and washer, dryer. Hey if furnace blows up, engines are a minor disaster.I’d rather store it in an outdoor shed, but I’m wondering how freezing temperatures can affect it (if at all).
The original question is about black powder, not black powder motors, but the answer to your question varies depending on whom you ask. I have had black powder (and high power) motors stored in my rocket trailer for over a decade and I have never experienced a Cato. Of course I live where the relative humidity is very low, but the temperatures swing considerably. A temperature swing of 40 degrees is pretty common many days here.What happens when BP motors are temperature cycled?
Does the black powder itself become degraded?
Or do the low and high temperatures cause damage to the clay nozzle and cap only?
What happens when BP motors are temperature cycled?
Does the black powder itself become degraded?
Or do the low and high temperatures cause damage to the clay nozzle and cap only?
It is not the nozzle, you run the risk of the grain cracking and separating, therefore gasses expand and CATO. Composites, are a rubbery mix therefore much stronger. Sorry did not realize post was about just BP. Not to mention humidity by storing outside.What happens when BP motors are temperature cycled?
Does the black powder itself become degraded?
Or do the low and high temperatures cause damage to the clay nozzle and cap only?
It is not the nozzle, you run the risk of the grain cracking and separating
JBR- Either Way, Folgers or Black Powder, I am sure to wake it......."BP good to the last grain."BP in kegs has been found dating from the civil war and is still good
keep your powder dry
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