THE PILOT MADE A FULL FLAP LANDING AND THE AIRPLANE STARTED BOUNCING. HE ADDED POWER, HOWEVER, HE DID NOT ADD FULL POWER AND MAKE A GO AROUND. THE AIRPLANE CONTINUED BOUNCING UNTIL THE RIGHT MAIN LANDING GEAR COLLAPSED AND THE AIRPLANE DEPARTED THE RIGHT SIDE OF THE RUNWAY. WHEN INTERVIEWED, THE PILOT SAID HE WAS OVER CAUTIOUS ABOUT ADDING FULL POWER WITH FULL FLAPS BECAUSE HE WAS WORRIED ABOUT AN UNCONTROLLABLE PITCHUP FOLLOWED BY A STALL.