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Flat heads such as the screws that come supplied with rubners and slones. Here are the ones one a Jeff Bollbock bass.

Handsome looking tuners. Too bad about the Philips head screws, they make everything look tacky. Hard to tell in this pic/light, are they polished brass? Are the tuner shafts straight or tapered?

Invalid Link Removed Ray Ramirez has been a terrific participant in the VSA oberlin bass workshops over the years. You may know him for his electric uprights, but he has also been bringing impressive double bass restoration projects to the workshop.

Invalid Link Removed Invalid Link Removed Seems to be the source of some of the material, still skimpy on the details.

Delrin doesnt play well with adhesives. Another concern to keep aware of: once the holes are filled it can be difficult to drill the pilot for the threaded inline (co-axial) with the hole on the opposing side of the adjuster. I have in the past filled all holes with fine grained hardwood and...

Time to teach the little ones how to buff out metal...

Paul Hart is south of salt lake in Mt. Pleasant, ut. Has be one of the workmanship judges at the ISB makers competition.

Our friend Mr. Tucker is in a new workshop space in the Sydney area. Link Removed

Here's an example of a narrow margin (7mm) fading into a point where the margin is more like 11mm

I wouldnt do it exactly as he does. But something to fill the space between the two curves. Another idea would be have the points of the corners meet using the 15mm margin, have the upper, middle of the c, and lower bouts following the 10mm margins. Using a french curve, blend those two curve...

After a quick survey of the instruments in our shop everything seems to be purfled with between 7 and 10 millimeters from the finished Edge to the exterior of the purfling (examples of many different hand). That being said, how these margins flow into those large corners will make a great bit of...

I'll jump on to the foredom band wagon and add more to the shopping list with the Invalid Link Removed purfling attachment. We've modified ours to the maximum extent to optimize for basses and it will cut a channel about 10mm edge to center. The foredom is certainly more skookum tool, the...

If you are posting on this side of the forum, I suggest a fine hand made double bass from your local luthier.

OP: "I am seriously considering putting down the deposit for a Dan Hachez bass." Is there a reason you want one built for you? Some custom options you need (overall size or string length)? There is currently one for sale at Robertson (Hachez #49) along with a Schnitzer, a Lloyd, a Wiebe, and a...

Question for any with hands on experience: can it be adjusted in situ under tension?

A trick some folks use on the tiny instruments is to pour in uncooked rice through the f holes and rotate the instrument to loosen up all the inaccessible dust bunnies and then pour it back out the f holes. Or there is always taking the top off.

Dome head set screws and a relief hole apposing it make for a strong lockdown on the 3/16 stainless wire rope without marring it up .

James, I would be afraid of the screw deforming Al. Its a clamp you really dont want to slip, so the tendency is to make it really tight. Deformation of the clamp and wire rope really limits the adjustable (also why I avoid cup point set screws). I make my own out of Stainless (I'll weight the...

Despiau ct6, ct1, and ct12 all 150mm wide.

Whole hearted agreement with James' and Joey's love for despiau ct 6 and 12. I would just like to add a plug for the ct1. It's legs are a bit longer than the ct6&12 and the heart lies about 10mm higher as a result. Great for basses with odd high projection. Lot of meat in the toes on the ct1...

Paul's Hatchez bass sounds great when the Punch Brothers do a cover.

Clamped overnight should suffice. Seeing how it going right back on the instrument it fell off of, There shouldnt be much need of fitting, scrapping, sanding, and refinishing (but some should be expected). There may also be some fussy setup work to be done on the bridge, nut and dressing the...

New and its gone to a humid environment, good chance the sound post could use attention. As the wood acclimates to the higher local RH%, the arching of the top and back will swell a bit. Even though it may just be a mm or so, the now short post will likely choke the sound. Wolf tones can often...

Are there any Northern Californians heading to Ft. Collins that could move a bass from my sisters place to ISB. Bass is currently residing in Pacifica and I will be coming to Colorado from NY with a van. You will be compensated for your efforts. Feel free to PM me for more details.

Should Woodworkers Say Goodbye to Ebony? - videos - Fine Woodworking You had better keep looking.

Am in need of a trunk to ship a bass from San Fran. Or if anyone is driving from SF to the NYC area and wants to earn some gas money ferrying a bass cross country (or to ISB in June). Shoot me a PM quote.

All measurements are in mm, the mathematically derived to the tenth of a mm, the one my scale measured to the half mm. The natural speaking length of this bass is currently 1062mm.

Yes there is. Sorry for my tartines, moving shop space and all other things have fallen by the wayside (so much stuff to pack so as to unpack). With the four ext strings I could put my hands on, there were a shotgun of results. The hardest thing was consistency. Weight of the bowing varied the...

Put a straight edge up against the line where the fingerboard is glued to the neck, you should be able to see if the neck is bending forward. A little deflection is to be expected with a couple of hundred pounds of string tension. But if it is greater than lets say 3/32nds or so...

Sadly, I can not tell you those measurements, took those pics a few months ago and the bass has run off with the customer. Yes, those markings do show counterintuitive intonation. I will be doing another soon and will try an intentional demonstration (methods and a variety of strings). I believe...

I have found great variation in tuning extensions from brands of strings and even within the same brand. In general, I find that the added string length of C extension equals 1/4 the instruments natural string lenght plus about 3-5 mm. I suspect it has mostly to do with the stiffness of a...

If you are taking the effort of replacing the neck block, why not convert to a more traditional neck mortise? The Kay/Engelhart taperd dovetail is flawed from the get go, its only plus is ease of mass production. If reusing the original neck, adding wood to the heal filling in the dovetail and...

No, wrong tuners, wrong fingerboard, wrong carve volute (kay volutes are glued on save for some very early models), exterior linings too big. My guess would be very cheap ply from asia (Palatino and the like).

Seems to be the same tuners use on a new Krutz 350 at the shop. Their site [Invalid or Expired Link Removed] doesnt seem to have any info on the tuners.

Does anyone recognize this mark? https://plus.google.com/u/0/photos?pid=5998594692335543714&oid=116284002556935057502

Yes, it is currently being shown Reed Yeboah Fine Violins, New York, New York.

If your bridge has moved down or leaned away from the fingerboard, the strings would be lower on the fingerboard. Do you know what your string length should be vs. what its at now?

The tuner shafts have to be mounted square to the outer face the pegbox. If your scrolls sides were parallel, then your tuner shafts would be parallel to the ground. There is also that a point to be said that these are retrofitted into existing holes. Bushing the holes would be necessary if you...

There will be an awful lot of variation in arching hight from model to model, maker to maker, and even instrument to instrument from the same maker. If one is building by hand, each build is and investment in and ideas of how to make it sound "good". Arching height will be one of those variables...

You are crazy for inviting this much work upon yourself, hours and hour, gallons of coffee, loss of hair and/or sleep... My guess (based solely on conjecture) is you'll find that there are soooo many variables and that each and every test subject will respond very differently and sometime...