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Groundboard |
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| Inside groundboard - two 1/2" Birch plywood layers laminated to form nominal 1" thickness. | Bottom view with plywood bearing pods and adjustable metal legs - 1/2" center pivot bolt | |
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| Bottom view of groundboard with inside of pod showing bearing cavity - teflon insert (not shown) located in cavity to provide required amount of braking. | All ball bearings are 1/2 W X 1 1/2" OD. This view inside of groundboard | |
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| Component parts that make up groundboard assembly. | Bearing race that mounts onto bottom of rocker box | |