Joy of Sound JOS 6 STRINGS KRAR Construction Instructions

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1 – DRUM (can be fixed or tuneable, preferably

synthetic head, 10" on the images but can be of

any size)

2 – CONNECTORS (4 wooden dowels of any

suitable shape: this tutorial based on the same

diameter round dowels)

3 – POSTS (2 wooden dowels 22-25mm diam and

600mm length) Hard wood (ash, oak, etc) is

preferred for construction due to its superior

structural properties. (Though a broom handle

would work as well)

4 – TUNING MACHINE HEAD (wood, approx

15mm thick, 9" wide)

5 – TUNING MACHINES (6 rail guitar machine

heads but single machine heads can be used)

JOS 6 STRINGS KRAR

CONSTRUCTION INSTRUCTIONS

Drill, Drill bits: 6mm (fixings) , 2mm (tuning machines), 1mm (string holes)

Fine File, M6 Hex wrench, Screwdriver, Chisel, Saw, Sanding drum, Sandpaper

Varnish or paint as preferred

TOOLS REQUIRED

MAIN COMPONENTS

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Summary of Contents for Joy of Sound JOS 6 STRINGS KRAR

Page 1 JOS 6 STRINGS KRAR CONSTRUCTION INSTRUCTIONS TOOLS REQUIRED Drill, Drill bits: 6mm (fixings) , 2mm (tuning machines), 1mm (string holes) Fine File, M6 Hex wrench, Screwdriver, Chisel, Saw, Sanding drum, Sandpaper Varnish or paint as preferred MAIN COMPONENTS 1 – DRUM (can be fixed or tuneable, preferably synthetic head, 10”...
Page 2 FIXINGS 6 – M6 PENNY WASHERS 20-25 OD 7 – M6x16 CROSS DOWEL BARREL NUTS 8 – M6x30 SOCKET CUP BOLTS (though any other suitable head type can be used)
Page 3 CLEARANCES Half section view of the connector The connector blocks which support the posts are fitted to the shell of the drum, and must clear the protruding hoop of the drumskin. This may be achieved in two ways: 1. Cut the blocks from the dowelling used for the posts Clearance can then achieved by spacers, such as saddle or plain washers (6) 2.
Page 4 STRING SPACING When connecting head (4) to posts (3) make sure that distances (A & B) from outer strings to the posts are the same. Its easier to have the head to be of an excessive length (i.e. 11+”) and the excesses to be cut off once the correct distances had been established, drilled and bolted.
Page 5 ALIGNMENT OF POSTS Bottom blocks to be installed first in order to align the posts symmetrically STRING FITTING 6 holes of 1mm diam and spaced approx 4-5mm apart to be drilled to accommodate strings. Strings are terminated inside of the drum with a “figure eight”...
Page 6 BRIDGES The bridge has a triangular profile, with one steep side and one shallow. It features a wide bass to prevent ‘flipping’. The shallow side may optionally be shaped into a curve by removing material with a chisel and sanding (to reduce the mass of the bridge) It should be positioned around 60 –...
Page 7 PARTS and SUPPLIERS Drums: There are many options for drums, both tuneable and fixed head. We have used 8 inch drums for convenience – larger 10 or 12 inch options are viable. Generally higher quality = higher price! It is also possible to buy a cheaper tuneable drum and replace the skin with a more expensive better quality type) Tuning Machines: these are generally available from local music shops in standard guitar configuration (2 x strips of three).