ETENWOLF S7 Tire Inflator Bare Unit Drop Test Report (80 cm, 6-Face)

Document Overview

Key Findings The ETENWOLF S7 Tire Inflator passed the bare-unit drop test — all samples remained fully functional after six consecutive drops from 80 cm onto each face. Result: PASS Drop Height: 80 cm Drop Faces: 6 (back, right side, front, left side, bottom, top)…

Document type
Test Report
Prepared by
Daniel Wright
Published
Last reviewed
Topics
Mechanical Reliability

Key Findings

The ETENWOLF S7 Tire Inflator passed the bare-unit drop test — all samples remained fully functional after six consecutive drops from 80 cm onto each face.

  • Result: PASS
  • Drop Height: 80 cm
  • Drop Faces: 6 (back, right side, front, left side, bottom, top)
  • Equipment: Single-arm drop testing machine
  • Post-test verification: Normal power-on, button function OK, no shell cracking, inflation accuracy within spec
  • Cosmetic note: Minor whitening observed on side edges of some units — no cracking or structural failure

Test Overview

Parameter Detail
Test Type Bare Unit Drop Test
Report Number 2025031101
Test Date 2025-03-11
Product ETENWOLF S7 Tire Inflator
Manufacturer BTK
Surface Treatment N/A
Sample Quantity 3 PCS
Test Reason New Product Validation
Test Objective Evaluate product anti-drop impact capability and verify reliability of the finished product after simulated drop impacts
Laboratory Temperature 22 °C
Laboratory Humidity 55% RH

Test Equipment & Setup

Parameter Specification
Equipment Single-Arm Drop Testing Machine
Drop Height 80 cm
Number of Drops 6 (one per face)
Drop Faces Back, Right Side, Front, Left Side, Bottom, Top

Test Procedure

  1. Pre-test inspection — Each bare unit (no packaging) was powered on and verified for normal operation, button responsiveness, display function, and inflation accuracy at both high-pressure and low-pressure settings. External appearance was documented.
  2. Drop sequence — Each unit was mounted on the single-arm drop testing machine at 80 cm height and released in free fall onto a rigid surface. The sequence covered all six faces: back face down, right side down, front face down, left side down, bottom face down, and top face down.
  3. Post-test inspection — After all six drops, each unit was inspected for shell cracking, structural deformation, and cosmetic damage. Units were then powered on and retested for button function, display operation, and high/low pressure inflation accuracy.

Acceptance criteria: all units must power on normally, retain full button functionality, show no shell cracking, and pass inflation accuracy checks after the complete 6-face drop sequence.

Test Data & Results

Primary Test — Report Samples (3 PCS, 2025-03-11)

Check Item Sample #1 Sample #2 Sample #3
Power-On Normal Normal Normal
Button / Key Function Normal Normal Normal
Shell Cracking None None None
Cosmetic Condition Minor side whitening Minor side whitening Minor side whitening
Inflation Accuracy Within spec Within spec Within spec
Verdict PASS PASS PASS

Detailed Drop-by-Drop Data — Extended Samples (4 PCS)

Sample Drop 1
Back Down		 Drop 2
Right Side Down		 Drop 3
Front Down		 Drop 4
Left Side Down		 Drop 5
Bottom Down		 Drop 6
Top Down
#5 No anomaly No anomaly Front/back shell misalignment, function normal Front/back shell misalignment, function normal Front/back shell misalignment, function normal Front/back shell misalignment, function normal
#6 No anomaly No anomaly No anomaly No anomaly No anomaly No anomaly
#7 No anomaly No anomaly No anomaly No anomaly No anomaly No anomaly
#8 No anomaly No anomaly Front/back shell misalignment, function normal Front/back shell misalignment, function normal Front/back shell misalignment, function normal Front/back shell misalignment, function normal

Key observations:

  • Structural integrity — No shell cracking detected on any unit across both test batches. Minor cosmetic whitening on side edges is a surface-level stress mark that does not compromise structural strength.
  • Shell misalignment — Samples #5 and #8 exhibited front/back shell misalignment after front-face-down impact (Drop 3), which persisted through subsequent drops. This is a cosmetic fit issue — all functional tests remained normal throughout.
  • Functional performance — All units powered on correctly, buttons responded normally, and both high-pressure and low-pressure inflation accuracy passed specification after the full 6-face drop sequence.
  • Worst-case face — Front-face-down drops (Drop 3) caused the highest incidence of shell misalignment, suggesting the front/back housing seam is the most vulnerable joint under direct frontal impact at 80 cm.

Conclusion

Item Detail
Result PASS
Test Type Bare Unit Drop Test (80 cm, 6-face)
Equipment Single-Arm Drop Testing Machine
Samples Tested 3 PCS (report) + 4 PCS (extended data) — all passed
Verdict The ETENWOLF S7 withstands 80 cm bare-unit drops on all six faces without shell cracking or functional degradation. Minor cosmetic effects (side whitening, shell misalignment on some units) do not affect product reliability.

Document Information

Role Name
Approval Mai Shaoqiang
Review Zhang Ronggui
Tester Li Guanghua
Form Number BTK-R-Q-087A/1

Frequently Asked Questions

Did the ETENWOLF S7 pass the 80 cm drop test?

Yes. All ETENWOLF S7 samples passed the bare-unit drop test from 80 cm across all six faces. Every unit powered on normally, button functions worked correctly, and inflation accuracy remained within specification. No shell cracking was observed on any sample.

What happens to the S7 after being dropped from 80 cm?

After six consecutive drops from 80 cm onto each face (back, right, front, left, bottom, top), the S7 shows minor cosmetic marks — slight whitening on side edges and, in some units, front/back shell misalignment from frontal impact. These are surface-level cosmetic effects only; the product retains full functionality including power-on, button response, and inflation accuracy.

Is the ETENWOLF S7 durable enough for everyday use?

Yes. An 80 cm bare-unit drop onto a rigid surface is significantly more severe than typical accidental drops during normal use, where packaging, soft surfaces, or partial cushioning reduce impact force. The S7 passed all six face orientations without any functional degradation, confirming robust build quality for real-world handling.

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