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Table 1 Dimensions of tag attachment materials for individual suction cup and dart materials

From: Testing tag attachments to increase the attachment duration of archival tags on baleen whales

Individual tag attachment materials

Cup diameter (mm)

Dart length (mm)

Dart stem width (mm)

Max width of dart tip (mm)

Weight of tag attachment (g)

Material

Suction cup (rigid)

77.8

–

–

–

68.0

Rubber

Suction cup (semirigid)

80.9

–

–

–

56.7

Silicone

Titanium—short 3-petal dart

–

45.0

3.2

6.4

4.0

Grade 4 titanium

Titanium—long 6-petal dart

–

68.0

3.2

6.4

6.0

Grade 4 titanium

Stainless steel—short conical dart

–

17.5

3.2

5.6

17.0

17-4 PH stainless steel

Stainless steel—long conical dart

–

76.2

5.0

11.1

12.0

17-4 PH stainless steel

Stainless steel—triangular dart

–

76.2

5.0

9.8

11.3

17-4 PH stainless steel

Stainless steel—long 3-petal dart

–

80.0

5.0

6.0

10.0

17-4 PH stainless steel

Stainless steel—long 6-petal dart

–

80.0

5.0

6.0

11.0

17-4 PH stainless steel