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VERTICAL TRANSVERSE PLANE AS DETERMINED BY S6.1.3.(b)

BASIC PLANE

TEST LINE 1 INCH
ABOVE REFERENCE
PLANE

NOTE:

SOLD LINES WOULD CORRESPOND TO THE TEST LINE ON A TEST HELMET.

TEST SURFACE

Figure 2

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TABLE I.-WEIGHTS FOR IMPACT ATTENUATION

TEST DROP ASSEMBLY

Reference headform size

Weight (lbs)*

A. B с. D

7.8 8.9 11.0 13.4

*Combined weight of instrumented test headform and supporting assembly for drop test.

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5.28 2.58

2,1l
REFERENCE BASIC MTI

2.32

T 2.32

PLANE: PLANE

2.68

NA

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7.05

CENTER OF 2,24 EAR OPENING

B

3.48

B

B

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-2,29

CONTOUR AT E

----
CONTOUR AT REFERENCE PLANE

--4.83 CONTOUR AT BASIC PLANE

APPENDIX

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2.68

5.28

E SYM

E SYM BASIC PLANE

12.11

2.11

BASIC PLANE 2

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