Bummer. That booster is definitely smaller diameter than the Big Bertha.
Looks to be BT-55 Booster and BT-50 orbiter unfortunately.
R/C could be done, but the elevon servos will have to be mounted in the middle of each wing, which is ugly.

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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 !