Antny72...the thick drum that Floyd is using looks like it might be made of pine or fir...it looks like it was finished in high gloss clear oil polyurethane, because it has a "burnt umber" color look. Also, there are some dark spots on the edge that look like they may be knots (common in pine/fir). Can't tell if it is end grain butcher block style...
Ant...since you brought up the idea of using end grain for a platform you gave me an idea! I just came from a high end Navy recreation facility that serves about 10,000 people on base. It has three indoor full size basketball courts, indoor swimming, weight lifting, and many treadmills and ellipticals. My point, money is no object when it comes to military fitness. This place has a floor throughout that I've never seen before. It is made of thousands of end-grain pieces of wood covered in a thick clear coating. The wood appears to be pine or fir, not maple. It is glued directly onto concrete floor. It holds up extremely well and does not show any dents.
I looked up the compressive strength of pine and the compressive strength is about 15 times higher on the edge grain (butcher block style) as opposed to parallel to grain. I think the bag rebound might be very high on an edge grain platform, and the wood is much cheaper and lighter too. So I think I might fabricate an edge grain pine/fir platform. I would top it off with a piece of 3/4 plywood to prevent breakage...Probably make it about 5" thick by 28" diameter...I would use high quality premeium 2x6 construction studs.
Ant...since you brought up the idea of using end grain for a platform you gave me an idea! I just came from a high end Navy recreation facility that serves about 10,000 people on base. It has three indoor full size basketball courts, indoor swimming, weight lifting, and many treadmills and ellipticals. My point, money is no object when it comes to military fitness. This place has a floor throughout that I've never seen before. It is made of thousands of end-grain pieces of wood covered in a thick clear coating. The wood appears to be pine or fir, not maple. It is glued directly onto concrete floor. It holds up extremely well and does not show any dents.
I looked up the compressive strength of pine and the compressive strength is about 15 times higher on the edge grain (butcher block style) as opposed to parallel to grain. I think the bag rebound might be very high on an edge grain platform, and the wood is much cheaper and lighter too. So I think I might fabricate an edge grain pine/fir platform. I would top it off with a piece of 3/4 plywood to prevent breakage...Probably make it about 5" thick by 28" diameter...I would use high quality premeium 2x6 construction studs.
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