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Old 22nd February 2020, 12:38 AM   #31
planet10 is offline planet10  Canada
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Quote:
Originally Posted by cOz View Post
Most definitely no problems related to bracing. In the areas of most concern the cabinet is very thick and sounded by sand filled voids. They are also made of moisture resistant HDF. They must weigh More than 100lbs each.
So brute force instead of finesse. With the sand filled thick walls the brace sare probably doing little.

dave
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Old 22nd February 2020, 02:18 AM   #32
chrisb is offline chrisb  Canada
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Just to be clear, neither of the designs Dave posted photos of were translams. While CNC routing was used to machine a few curved rib components, the curved panels were all vacuum bag formed rubber ply - very rigid when laminated 3 layers thick with yellow carpenters glue (Titebond 2, or Dural equivalent, IIRC). Even if we could have convinced ourselves of the merit of wasting that much material on a proof of. Inception build, the CNC time on the commercial machine at work would have cost dearly.
No matter how you go about it, CCM - curves cost money.
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Old 22nd February 2020, 04:16 PM   #33
Colin is offline Colin  United Kingdom
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Whilst there's no denying translam builds can be expensive in terms of wasted material (although not necessarily so as Wesayso has demonstrated), they are an attractive option for anyone wanting to build a curved cabinet without access to tools or the required skills.

One of our customers has just built one which is featured on out blog. From his description, it passed all the skilled part to the CNC shop, leaving him with a set of components which resulted in a Lego-like build.

Click the image to open in full size.
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Old Yesterday, 09:57 AM   #34
TimbreAudio is offline TimbreAudio  United Kingdom
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How I did some curved cabinets for Alpair 10, based on the Pensil design. Were very lightweight, but the outsides bendy ply could have been increased substantially.

IMG_8692.jpg

IMG_8716.jpg

IMG_8727.jpg
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Old Yesterday, 06:36 PM   #35
planet10 is offline planet10  Canada
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Very nice job Timbre. The insides of the curved Pensil7s Chris built may have been similar, here is the skeleton for the Ellipsa which used the same curved panels, but front & back.

Click the image to open in full size.

dave
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