Designing a round bed

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Forum topic by derosa posted 11-26-2011 08:39 AM 1618 views 0 times favorited 1 reply Add to Favorites Watch
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1568 posts in 2257 days

11-26-2011 08:39 AM

The wife and I have been discussing a new bed for a while now and just recently she saw an ad for a suspended round bed that is supposed to improve your sleep because it moves around a bit, now she wants me to build one.
Only issues are how thick and wide the wood should be for a 7’4” diameter (23’ circumference) hoop that will support a mattress and two adults, will a woven caning center be stiff enough and how many clamps will I need?

For the first I was planning on using cherry wood which will obviously need to be bent lamination. I was thinking 3” tall and perhaps 1.5” thick, maybe a decorative band built into the outside with some alternating type of wood but mostly solid cherry. Does this seem tall and thick enough to prevent warping and sagging or should I go taller or thicker?

In the original version there is some sort of rope web that supports the mattress that is tied to the hoop, honestly it looks fairly ugly. I was thinking of using caning to support the mattress as it can be tightly woven. I came up with three ways of attaching it. The first would be to drill holes around the circumference leaving the caning visible on the outside face, the second would be to add a lip on the inside and drill holes in it from top to bottom and weave that way, the third is similar to the second but have a .75” thick plywood rim that sits inside the hoop that can extend up to a foot into the circle to attach the caning to. Or would it be best to just have plywood across the whole thing though in the past I’ve found plywood sags too much under a mattress without support?

Finally how many clamps should I use? I’ve never done any kind of lamination like this but I have the idea down. I planned on making a round form to shape around and that I could drill holes in the form for one end of the clamp to anchor to. I also planned on making some curved blocks to give a greater area of pressure per clamp but what is the longest I should make these blocks and how many clamps should I use per foot?

Thanks for the time, I plan on blogging this one and starting as soon as the christmas gifts are finished.

-- --Rev. Russ in NY-- A posse ad esse

1 reply so far

View dustyturner's profile


3 posts in 1795 days

#1 posted 11-27-2011 06:13 AM

My Dear Rev. It sounds to me like your design is a bit on the light side.If I understand correctly you are going to suspend this 3” frame with a mattress on it?You will need some kind of cross bracing inside your frame,I think and a wide enough band to support it.I would use plywood on top of that.The cane might work,but unless you are very young you might not live long enough to complete a cane project of that size.Cane also is prone to streach.As for the number of clamps.I made some rings like that several years ago.Clamping a full circle is tricky.I would use thin laminations and put on one piece at a time using as many clamps as space permits,on the top edge and on the bottom.I have seen curced door heads clamped using two bolts through two pieces of wood.For speed they use an air wrench to tighten the nuts. Hope this helps Mike

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