Those fins look FAR too large for a scale model.
I prefer the MUCH smaller scale fins of the original K-36.
Use more nose weight and MORE (29mm pro-series) POWER.

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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, and HAVOC !