1- WHEN YOU BUILD AN R/C MODEL ESPECIALLY FROM YOUR OWN PLANS, THERE CAN BE CRITICAL PARTS THAT YOU HOPE ARE GOING TO WORK PROPERLY WHEN THE MODEL FINALLY GETS AIRBORNE.

2- THE EARLIER IN THE DRAWING/BUILDING PROCESS THAT YOU CAN RUN A TEST THE BETTER. TESTING EARLY SAVES TIME AND REWORKING WHAT YOU'VE ALREADY DONE.

3- HERE'S A BENCH TEST OF THE BLACK WIDOW'S: