Hi Shane,

I'm sure that this Hawk will break 100mph on a 4-cell pack. I will see if we can fit our GPS device inside when we test fly it. I expect the Hawk to fly fine but stay tuned for my post on reflexed ailerons. I am using a separate channel for each aileron servo so I can switch in and out a 2mm reflex using the flap switch when landing.

Good luck!