c-channel for table top?

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I remember seeing a table a while back that used c-channel instead of plate for a top. It seemed that the OP stated that 6" wide channel with approximately 2-4 inch gaps between each piece made the table much easier to use clamps, etc. It seemed like the cost and weight were less too. Any thoughts?
Reply:This one was on Practical Machinist:http://www.practicalmachinist.com/vb...rt-2-a-194652/ Attached Images
Reply:thats a nice table but i still would rather have a 3/4 or1" solid top
Reply:Originally Posted by ed macthats a nice table but i still would rather have a 3/4 or1" solid top
Reply:I like the idea of the gaps, but I'd rather it use 1 inch plate, 8 or so inches wide, as opposed to the channel.  The channel is going to be near impossible to clamp to, without making a clamp that bridges two channels.  The plate will allow clamps in the gaps, as well as being thick enough to drill and tap holes for various thread in accessories, or just drill holes for hammer in bench dogs.Who is John Galt?
Reply:Having the table bolted together might be nice for moving.  Unbolt it and break it down into parts that are more easily carried.  On the downside a bolted table may not be as solid.  Bolts with tapered alignment pins would be nice, but way more work.A table with c-channel or plates might have another advantage.  You can remove some of the pieces in the middle of the table.  This might be nice if you have some odd shaped blob or stuff sticking out of the middle of your workpiece.Dynasty200DX w/coolmate1MM210MM VintageESAB miniarc161ltsLincoln AC225Victor O/A, Smith AW1ACutmaster 81IR 2475N7.5FPRage3Jancy USA1019" SBAEAD-200LE