Actually, there wasn't much of a wind. Still on the cooler side of the Texas morning. Lifted off, started the right roll and he set her down. My impression was that he was trying to get airborne too soon as the end of the runway neared. Next time will advise him to try a grass roll and stand on the string longer to get the rotors turning faster. Have the big pieces of the fuse. Will look for the thin solvent instead of the jelly.