J2706_200708: Hybrid III Six-Year-Old Child Dummy User's Manual

Features

Issuing Committee: Dummy Testing and Equipment Committee

Scope

Content: The purpose of this document is to provide the user with the procedures needed to properly assemble and disassemble the H-III6C dummy, certify its components and to verify its mass and dimensions. Also within this manual are guidelines for handling accelerometers, repairing flesh and setting joints.

Rationale

Content

Summary of corrections from EA-29 for SAE J2706:

Typos corrected are:

Page 5, under CLOTHING, "kNit" should have a lower case "n."
Page 10, paragraph above "NOTE," "Also, here are two brass washers …" changed to "Also, there are two brass washers …"
Page 15, section 3.10, first paragraph - "Item 17, Figure 9" changed to "Item-17, Figure 9"
Page 16, last paragraph before Figure 8 - "Item 37, Figure 9" changed to "Item-37, Figure 9"
Page 18, section 3.11, last bullet - "between one and two G's" changed to "between 1 and 2 G"
Page 18, section 3.12 first bullet - "between one and two G's tight" changed to "between 1 and 2 G tight"
Page 22, section 3.18 – corrected the stray dots in the first paragraph on page 22. "When<dot>removing the plungers …" "Then<dot>take out …" "These screws are<dot>accessed …"
Page 23, section 3.24, 2nd bullet - "kNown" changed to lower case "n"
Page 28, item 10 - should be "Moment (ft-lbf) = …" Made the EU and bracket configurations consistent.
Page 30, Figure 17 – Updated pendulum characteristic figure to correct dimensions and wording…Interesting compound words: "WallThickness" "SteelTube" "PendulumMounting" "MountingHardware" "HoneycombHexcell"
Page 31, Section 4.3, d, 1 – Added the word “spine” so the last sentence new reads "Torque the lumbar spine cable …"
Page 32, Section 4.3. d. 5, paragraph 1 - "tighten the arms to one and two G's …" changed to "tighten the arms to 1 and 2 G …"
Page 36, "DESIGNATIONS" – changed letters in list to be caps to be consistent with Figure 23 and Table 3.
Page 37, DESIGNATIONS k & r - "knee" changed to begin with a capital letter
Page 37, DESIGNATION Y - "flesh" changed to “Flesh”
Page 39, Table 4 - "flesh" changed to “Flesh”
Page 48, entire page - "one G" changed to "1 G"
Page 41, 5.4, b indicates that the "lumbar flexion test table is described in Figure 25." Figure 25 is an illustration without dimensions. Changed "described" to "shown."

Corrected the inconsistency within the parts lists by adding the hyphen after “item”

Figure 1 – Changed Accelerometer mount pictures for the head and chest. The new pictures were provided from the balloting comments.
“Chest Flesh” is the terminology used by NHTSA in the drawing package.
1. Fixed inconsistency of “chest skin” – pages 31, 32, 36, 37 to be “chest flesh”
2. Page 31 Section 4.3 (d) 1; “Remove the chest skin and visually inspect the thorax”… changed to …”Remove the chest flesh and visually inspect the thorax”…
3. Page 32 Section 4.3 (d) 4; …” (without the chest skin)” changed to …”(without the chest flesh)”…
4. Page 32 Section 4.3 (d) 5 paragraph 3; “…position after installing the chest skin…” changed to “…position after installing the chest flesh…”
5. Page 32 Section 4.3 (d) 5 paragraph 3; “…thickness of the chest skin, so…” changed to “…thickness of the chest flesh, so…”
6. Page 32 Section 4.3 (d) 6; “Install the chest skin and reposition…” change to “Install the chest flesh and reposition…”
7. Page 32 Section 4.3 (d) 6; “…necessary to leave the chest skin unzipped…” changed to “…necessary to leave the chest flesh unzipped…”
8. Page 32 Section 4.3 (d) 10; “…test probe and the chest skin. All…” change to “…test probe and the chest flesh. All…”
9. Page 36 Section 5.1 (a); “Remove the dummy's chest skin (127-2010)…” change to “Remove the dummy's chest flesh (127-2010)…”
10. Page 37 Section 5.1 (m); “Reinstall the chest skin and abdominal insert.” Changed to “Reinstall the chest flesh and abdominal insert.”
Fixed inconsistency of “chest jacket”
1. Page 5 Construction bullet; “Zippered chest jacket for easy removal.” Changed to “Zippered chest flesh for easy removal.”
Fixed inconsistency of “torso jacket” on page 40 to be “chest flesh”
1. Page 40 Assembly Mass Table; “Upper Torso Assembly with Torso Jacket” change to “Upper Torso Assembly with Chest Flesh”
2. Page 40; “UPPER TORSO ASSEMBLY WITH TORSO JACKET” changed to “UPPER TORSO ASSEMBLY WITH CHEST FLESH”
Fixed inconsistency of “jacket” – pages 37, 38 to be “chest flesh”
1. Page 37 Section 5.1 (m); “Y - Chest Circumference with Jacket” changed to “Y – Chest Circumference with Chest Flesh”
2. Page 38 External Dimensions Measurements; “Chest Circumference with Jacket” changed to “Chest Circumference with Chest Flesh”
Fixed spelling of “yearold” in the Foreword to “year old”
1. Page 4 Foreword; “Hybrid III 6year-old dummy” changed to “Hybrid III 6 year old dummy”
2. Page 4 Foreword; “…studies of 6-yearold boys…” changed to “…studies of 6 year old boys…”
Fixed spelling of “headneck”
1. Page 28 Section 4.2 (d) 6; in “…performance of the headneck assembly…” changed to “…performance of the head neck assembly…”
Fixed spelling of “wellventilated
1. Page 47 Appendix B paragraph 3 “…all flesh preparations and repairs in a wellventilated area. When…” changed to “…all flesh preparations and repairs in a well ventilated area. When…”

Changed Section 3.24 to refer to Appendix B instead of the “Care and Maintenance portion of this manual”

In Section 4.2 (d) 8 Add the terminology “if necessary” to give the technician the option if precrush. The sentence should read …”Prior to the test, pre-crush the honeycomb material, if necessary, by lightly impacting it so the desired honeycomb surface contacts the pendulum striker plate.”
In Section 4.3 (d) 5; Added the following, “Arm supports may be used, if necessary, to help stabilize the initial position of the dummy. These supports must be able to fall away and not influence the test.”

Meta Tags

Topics: Anthropomorphic test devices
Children
Arm
Neck
Safety regulations and standards
Head
Torso
Leg
Knee
Foot
Hand
Mountings

Details

DOI: https://doi.org/10.4271/J2706_200708

Pages: 49

Citation: SAE International Technical Standard, Hybrid III Six-Year-Old Child Dummy User's Manual, SAE Standard J2706_200708, Issued August 2007, https://doi.org/10.4271/J2706_200708.

Additional Details