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Old 01-09-2013, 06:44 PM
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fatboynormmie fatboynormmie is offline
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Join Date: Jul 2009
Location: balto md
Posts: 729
The blades that you notched looked like they were notched at a 90 Degree with a sharp inside corner and that could cause issues with a stress fracture from the 90 degree corner to the blade bolt hole.I would round the inside corners of the notch out .Sharp corners create stress risers, couple that with harmonics and it could lead to catastrophic failure.Honestly I would stick with blades that were straight in the center and just stack them right on top of each other ( + )and tighten the bolt down as I never had an issue running them like that in the past. Good luck and be safe.
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