Looks good.
Put enough weight in the nose to fly with the stock small fins and leave the FUGLY clear plastic where it belongs- IN THE TRASH.
Fly on an Aerotech E30-4. Leave the D12-3 for much smaller rockets.... REALLY.

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When in doubt, WHACK the GAS and DITCH the brake !!!

Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't !
Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY.
ALL systems are GO for MAYHEM, CHAOS, TURMOIL, FIASCOS, and HAVOC !