On Friday, May 23, 2014 10:25:32 PM UTC-4, Bill T wrote:

His first three actual tows are with a glider instructor in our heaviest glider. Normal tow, beginning student wild tow and a controlled tow with box wake and slack line maneuvers, and a pattern tow.

I'm not a tow pilot. I wonder why you don't make the first tow easy and ramp up from there. Why not make the first tow with a 1-26 on a long runway?