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Project Information

Finished first radius dish. Used the radius template from the last project to make the 28 foot radius guide rails for the router sled. 3/4" plywood rails were capped with 1/8" plywood to provide a smoother running surface for the sled. The attempt to make a dust collector attachment didn't work out well so the project was moved outside where the 3/4" MDF made a real mess. Drawer pull knobs were used to aid in the spinning of the dish. The surface came out much smoother than expected so minimal sanding will be required.

The radius dish will be used to build a slight arch into the tops of ukuleles and someday maybe a guitar or two. The 28 foot radius guide rails will be swapped out for a 15 foot pair to make another dish for assembly of arched backs.

UPDATE (10/7/2019}:
Today I bonded a 24 inch round of 3/4" MDF to the back of the 28 foot radius dish with contact cement, and routed the 15 foot radius dish. I used contact cement because I Didn't know if I could clamp it well enough to get a tight joint with Titebond. It rained on and off but I found enough rain-breaks to do the routing outside. The completed disc is 1-1/2 inches thick with a dish on each side.

Gallery

Comments

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8,109 Posts
So clever! Nice work.
 

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589 Posts
Very nice. I'm really interested to see how it works. Glad to see as I sould probably make my self one of these!
 

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28,289 Posts
That is a cool way to rout that dish pattern. Nice work on it!!

Cheers, Jim
 

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9,005 Posts
Very cool, now if you could get parts from a potter's wheel or a turntable of some sort you'd only need move the router from the perimeter to the center and let the tools do the rest of the work for you.
 

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134 Posts
Good build on a complex design.
 

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Thanks for the comments, they energized me to complete the project. Today I bonded a 24 inch round of 3/4" MDF to the back of the 28 foot radius dish with contact cement, and routed the 15 foot radius dish. I used contact cement because I Didn't know if I could clamp it well enough to get a tight joint with Titebond. It rained on and off but I found enough rain-breaks to do the routing outside. The completed disc is 1-1/2 inches thick with a dish on each side.
 

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26,886 Posts
Nice job and congratulations on your 'Daily Top 3' award.
 
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