Table 1.

Geometry specifications of test specimens.

Isolator #	Wire rope diameter, $D$ (mm)	Number of coils	Width, $W$ (mm)	Length, $L$ (mm)	Height, $H$ (mm)	$H/W$
1	6.4	8	64	146	54	0.84
2	6.4	8	71	146	59	0.83
3	6.4	8	80	146	64	0.8
4	6.4	8	89	146	65	0.73
5	9.5	8	84	216	71	0.85
6	9.5	8	105	216	76	0.72
7	12.7	8	105	216	90	0.86
8	12.7	8	121	216	95	0.79
9	12.7	8	133	216	108	0.81