1. Making a Tarhu Cone
Tarhu cone design has gone through several different phases. From 1995 until 2004 large and small tarhus all shared the one design concept. From 2004 until 2016 large and small tarhus diverged, with two different designs being employed. In 2016 a new design developed, using a low-stiffness curved cone which produced good results in tarhus of all sizes.
At the present time (early 2018) the proportions being used between height:width in all cones is 1:7. In the example used in the photographs below, the cone is 27mm high and 189mm wide (it is a tarhui cone, same size body as a nak tarhu).
This article outlines one method of making a curved cone of the new design. It uses very thin strips of western red cedar (0.7mm) which are bent to shape using dry heat. The individual cone segments are glued together using tightbond glue. The joints between the segments are unreinforced butt joints.
Two moulds are needed: a mould which is used to accurately trim the bent cone-segments to the desired angle; a turned mould which is used to assemble the trimmed segments into a cone shape.
A template of the desired cone shape is used to set out the moulds.