Originally Posted by rk2436
Mine broke too right at the dimple mark right around the 200 hr mark. Replaced it with a new one but did not dimple it and all is well at 435 hours. Yes I had my prop balanced at about 10 hours.
Probably more critical for the fatigue life of the pitot tube is precise spinner alignment described in the install process).
I think the prototype is still using its original pitot tube (well past 2000 hrs).