In article ,
EDR wrote:

DESCRIPTION AIRCRAFT ON TAKEOFF ROLL, LANDING GEAR WAS INADVERTENTLY
WAS RAISED, OTHER CIRCUMSTANCES ARE UNKNOWN, ANDERSON, SC

Sounds like one of those "power up, gear up, brakes off" takeoffs.

More likely the gear selector was up and as soon as the weight came
off the squat switch it retracted. I always touch the gear selector
and confirm it's down before I turn on the master.

--
Ben Jackson

http://www.ben.com/