13 HIGH-PERFORMANCE HOP-UPS

PHOTOS BY DERON NEBLETT, PETE HALL & BRUCE WARTLIEB ILLUSTRATION BY TERRY COLON Popular flyers overhauled Do you need more spice in your backyard flying life? Does your plane lack a little zip in its performance? Don't buy a new, more expensive model as a replacement; overhaul what you have with a power system hop-up. Aftermarket motors, ESCs and batteries are increasingly affordable, and the biggest problem you'll face when mixing and matching the up-front...