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Re: Belly Pan Lightening Holes
The diamond pattern contains straight lines running corner to corner, which act in pure tension/compression diagonally across the bellypan to add torsional stiffness to the frame. The hexagonal pattern's members doing this job are a bit zig-zaggy.
Realistically though, this is a nit-picky design criteria. Any bellypan is going to significantly increase torsional rigidity, and I'd say that this choice can be safely made purely based on actual weight lost, aesthetics, etc. There are much more important things to worry about on a chassis design.
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FIRST is not about doing what you can with what you know. It is about doing what you thought impossible, with what you were inspired to become.
2007-2010: Student, FRC 1687, Highlander Robotics
2012-2014: Technical Mentor, FRC 1687, Highlander Robotics
2015-2016: Lead Mentor, FRC 5400, Team WARP
2016-???: Volunteer and freelance mentor-for-hire
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