I have about 10 motors that I hate to throw away but I'm really iffy about them because they were stored in a storage building over several years of summer winter temperature extremes. The building is insulted and sheet rocked on the inside but there is no AC or heat to maintain a consistent temperature environment. I've been wondering what to do about them. I've always wanted to build a test stand so I'm thinking I may just fire them in that way rather than risking rockets.
Hello,
What is the shelf live of the engines keep in climate control conditions?
Thanks
Jeff
Indefinitely!
I have and fly on a semi-regular basis motors from the late 60's and 70's. With a single C5-3 exception they have all flown perfectly as predicted. it is sometimes necessary to scribe an X in the clay caps to ensure breaking but even that is just a precaution. As Long as you do not heat cycle your BP motors and used them within 70°f of the highest temperature to which they have been exposed you will not have any problem with OLD to Ancient BP motors. One more thing a lot is suggested about High Humidity...but can be all but ignored as long as No Heat Cycling is involved. If your keeping your BP motors in a controlled environment they will last until you take them to the field and fly them.
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