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I'm making a second TNT-style Flexy Table to replace my first one.On the original,I couldn't find any 3/4 inch neoprene washers.I tried H.Depot,Lowes,hardware stores,etc,etc.,with no luck.I found 5/8" hose washers,but I'd rather use 3/4" threaded rods."O"-rings I found were way too expensive.Anyone have a good source?Thanks in advance for your help!! Fred
I had a hard time finding affordable washers for 3/4 in rod as well so i cut my own out of a sheet of the rubber damping mat for cars. For about $20 i got enough mat to make all the washers i needed and cover about 80% of the bottom of 2 shelves. Cut the mat into squares and stick the mat to the metal washers, trim it and your done. Kind of a pain but it works.
...Fred,I had the same problem when building my FleXy. I couldn't find rubber washers anywhere. What I ended up doing is buying rubber sheeting from Home Depot and cutting my own with a pair of scissors using the metal washer as a template. If you look over by the plumbing/toilet supplies they have rubber gasket material in a roll about 4" wide and 3' long ( enough to make gaskets for a 5 shelf unit w/ some left-overs ) and if my memory serves me right it only cost around $4-$5. Another option that someone suggested is to make the washers out of cork or felt.
another option, if you are going the neoprene route, is to pick up 2" diameter washers (doesn't matter what the inner hole size is); then get hold of say a 6" lenght of 3/4" copper pipe; with some metal sandpaper of a decent grit or a grinder, sharpen one end/grind down one end of the pipe so that it would be sharp enough to cut through the rubber/neoprene washer. Now all you have to do is a reasonable job of centering the sharpened-edge of the tube on the washer and twist to cut (ala cookie cutter) or like I did use a rubber hammer(or any other hammer) on the smooth end of the pipe to cut through; or maybe hit a wood block on top of the copper pipe to cut the center to 3/4".I am almost finished the TNT-flexy style rack, I just have to decide on the shelving material (solid wood, ie Honduras Mahogany; Corian; MDF; laminated MDF???????...........) What are you using for the shelves?
> I am almost finished the TNT-flexy style rack, I just have to decide
> on the shelving material (solid wood, ie Honduras Mahogany; Corian;
> MDF; laminated MDF???????...........) What are you using for the
> shelves?I used furniture/marine-grade birch plywood. The veneer on the top and bottom was very nice and saved me the $$ and time that would have been required to veneer MDF. I still had to veneer the sides (edges) but it was less of a pain-in-the-@$$ than covering an entire shelf.
I hope to post a new pic of my FleXy now that I've completed my home remodeling...it looks much nicer against painted walls and hardwood floors.
I have to say thanks for the picture. Saved a lot of time and hassel with both the sales pitch, and in construction issues. I think I might go with a mdf/birch ply/liquid nails sandwich. I thought long and hard about maybe some Koa wood, but $$$$$$$$$$ and a whole lotta time!
i wish my wife could see it, too
she would immediately stop complaining about the hight of mine
;-)as for the material of the selves, i used
MDF + cork (floor-tiles) glued on top
to make this sandwich was a quit easy and quick job
and saved a little on the washers, too ;-)imre
> i wish my wife could see it, too
> she would immediately stop complaining about the hight of mine...actually, my wife likes the look of the rack; now she wants me to make some shelves and a room divider to match.
Fred Rule wrote:I'm making a second TNT-style Flexy Table to replace my first one.On the original,I couldn't find any 3/4 inch neoprene washers.I tried H.Depot,Lowes,hardware stores,etc,etc.,with no luck.I found 5/8" hose washers,but I'd rather use 3/4" threaded rods."O"-rings I found were way too expensive.Anyone have a good source?Thanks in advance for your help!!
I wouldn't recommend using Neoprene or rubber. Too much energy storage (that's why rubber balls bounce). You'd probably be better off using nothing at all than to use Neoprene or rubber (or silicone for that matter) if your goal is to damp resonances.
An engineered damping material would be a better bet. Something like EAR's C-1002 IsoDamp (their IsoLoss VL would probably be better, but I don't know anyone selling it in small quanities for a reasonable price). Michael Percy sells sheets of C-1002 in either 12" x 27" or 12" x 13" in thicknesses ranging from 0.015" to 0.25". You'd have to cut out your own washers (you could use the steel washers as a template) but you'd end up with far better results than with Neoprene or rubber washers.
If you want to try before you buy, I've got a large sheet of 1/8" thick C-1002 here that I bought by mistake (meant to order the 1/6" thick sheet) a couple of years ago but never bothered to return it. If you'd like, I could cut you off an 8-1/2" x 11" sheet and stuff it in an envelope and send it to you. Depending on how many shelves you plan to include, might be enough to do the whole project.
se
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