lakeroadster
When in doubt... build hell-for-stout!
Apparently, you didn't "get the memo" . . .
https://www.apogeerockets.com/Rocket_Motors/AeroTech_Accessories/Universal_Delay_Drilling_Tool
https://aerotech-rocketry.com/products/product_d208be9f-32da-778d-77e9-093c84bb0508
https://www.apogeerockets.com/Rocket_Motors/Cesaroni_Accessories/Pro-38_Delay_Adjustment_Tool
http://www.pro38.com/pdfs/Pro29_instructions.pdf
https://www.freelists.org/post/ncrockets/CTI-delay-grain-drilling-tool,2
BTW - "Gary" is Gary Rosenfield . . . A "Pioneer / Outlaw", before HPR was "legal" . . . Do some research !
The links you provided is the same data discussed in this thread, Dave.
The point is... that data you linked to is not applicable to SU LPR / MPR composites, as we learned from the NAR who stated modifying these delays is a violation of the NAR Safety Code and the drilling of delays is not endorsed by AeroTech.
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