4 Attachment(s)
Finished My 1st Ashiko Drum
I finally finished my first drum :D which was made for a very special lady in my life. This was a challenging project as I have never worked with compound angles before. I am really pleased with the finished project and Dianne, the one that actually plays it, is now in love with her new drum. Not a gap anywhere and boy does it have a beautiful voice. Made me feel pretty good when her drum instructor said it was professional quality; I guess I did everything right!
The size is about 11 1/2" diameter at the top, 6" diameter at the bottom and about 23 1/2" tall. The wood is Black Limba and the head is an african goatskin. I bent the steel rods for the three rings on a homemade jig and had a friend weld them. Not ready to learn welding yet! Stringing it was something new for me as well but it turned out nice. The handle was an especially nice touch. I finished with 6 coats of matte finish.
# of staves and angles and notes
Well here goes...
There are 12 staves, which are cut at 15-degree angles. If you want a different number of staves, multiply the number of staves * 2 and divide that into 360 degrees. If you had 6 staves, the angle would be 30 degrees.
Use the formula for circumference to help figure out the stave width at the top and bottom. C= 3.14159 * diameter of the circle. Divide that number by 12 staves and you have the length. For simplicity sake, let's say the staves needs to be 3" at the top and 1 1/2" at the bottom.
Next, Place your taper jig against the fence with your rough-cut stave against it. Position your fence so that the board will be cut exactly 3" as it enters the saw blade. Next, adjust the angle of the taper jig so this measurement is 1 1/2" for the bottom of the stave. This is for the first cut. When you cut the second side, the angle needs to be doubled. I did not worry about calculating angles. I just measured the cut width at the front and back of the board.
I made a small hold down block and bolted it to the top of the taper jig so the staves could not rise up when cutting. In addition, I used double stick tape to keep them against the jig. They cut just like butter.
The rings were made from 1/4" steel rod from Lowes' I took a piece of 1/2" plywood and screwed it to some scrap 8/4 oak blocks. Then I screwed a 1/2" plywood circle about 11 3/4" in diameter to that. The rod bends around it easily. As you bend it, just run some drywall screws in at an angle to keep the rod against the jig. When you get to the end where the rod meets itself, take out a screw or two and cut it to length and screw it back in place. The welding burns the wood a little but no big deal.
When done just file smooth, prime and paint. I used almond paint so the dark primer would not show through the skin. The only one this matters for is the flesh ring as the others are wrapped with cloth that was leopard skin pattern in this case.
Hope this was a pretty clear explanation.
Links for supplies & instructions
Wes,
Here are the links where I bought some of the supplies and roping the instructions.
Skin
http://www.wwdrums.com/drum-head-skins-c-25_54.html?osCsid=a61dec09214c6dd71dd77dd4f981a3d5
Rope
http://www.afrodesign.com/stretch-dacron-djembe-rope-p-7320.html?osCsid=83b547b191190909faffd06c39c833f3
Rope Puller
http://www.irietones.com/category/djembe_repair
Lacing instructions
http://hawkdancing.com/Wooddrum/roping.html
There was anotther link showing the optimal roundover for the top edge. Basically you round the inside top edge to form a circle which is just past where the glue joints are. Then round over the outside to meet this edge. I used a 1" roundover router bit and it was perfect.
Ashiko drums come in close to standard sizes. I made a mid sized one for Dianne. Just search for Ashikos with google and you can see the dimensions of the small, medium, and large drums.
I used a hand place to smooth the outside. A 4" sanding belt from my betls sander worked great for the final rounding.
Anybody with average skills can do an awesome job with this with a little patience.
Hope this helped...
Good luck with your project.