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PRAWNDOG said...Tried using a smaller surfboard I had laying around in my garage that I never use as I hate it for surfing. The board is pretty skinny and thin, I found this board perfect out there with my kite. I was thinking the extra drag of having a smaller board out there just helped keep a bit more tension in the lines and was sweet to throw around, so smooth either way it seems much better. Still a bit of technique to master but heaps more fun on the backhand, can't wait till my next session

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Sounds like you were outrunning the kite, something that can happen with almost any kite on big waves and light wind, its an over flying effect where the kite isnt overflying in actual fact.
Counter measure by doing tighter turns on the wave, your probably going too fast down the line for the Rebel.
I dont fly the Rebel myself, but seeing the lift guys get boosting, I can imagine it will want to rip you off the board when whiping it around in the way you have discribed, where as a drfter or Reo wont develop that punch when moving it around.