ETENWOLF S6 Inflator Road Bicycle Precision Test Report — Sample S6-自行车-2#

Document Overview

Key Findings The ETENWOLF Vortex S6 cordless inflator completed 36 road-bicycle inflation sequences on sample S6-自行车-2#, with all stop-pressure accuracy deviations falling within ±2.1 PSI of the preset target and all 10-second hold-pressure drops remaining within −2.0 PSI, demonstrating consistent pressure accuracy across the full…

Document type
Test Report
Prepared by
Daniel Wright
Published
Last reviewed
Topics
Motor Performance

Key Findings

The ETENWOLF Vortex S6 cordless inflator completed 36 road-bicycle inflation sequences on sample S6-自行车-2#, with all stop-pressure accuracy deviations falling within ±2.1 PSI of the preset target and all 10-second hold-pressure drops remaining within −2.0 PSI, demonstrating consistent pressure accuracy across the full 15–110 PSI operating range.

  • Test date: 2025-05-27
  • Sample ID: S6-自行车-2#
  • Tire type: Road bicycle (公路自行车)
  • Preset range tested: 15 PSI – 110 PSI
  • Total test sequences: 36
  • Max accuracy deviation (stop pressure vs preset): +2.1 PSI (Row 1, 0→15 PSI)
  • Max hold-pressure drop (stop → 10 s): −2.0 PSI (Row 4, 20→110 PSI)
  • Overall verdict: All sequences within acceptable tolerance band

Test Overview

Field Detail
Test Type Pressure Accuracy / Motor Performance
Sheet Name S6-自行车-2#
Test Date 2025-05-27
Tester Code BTK
Product ETENWOLF Vortex S6 Heavy-Duty Cordless Inflator
Product Line Inflation Tools
Sample ID S6-自行车-2#
Tire Type Road Bicycle (公路自行车)
Pressure Unit PSI
Source File S6-精度测试-2025.5.28.xlsx
Sheet Index 5 of 6
Total Data Rows 36

Test Equipment & Setup

Parameter Value
Unit Under Test ETENWOLF Vortex S6 Cordless Inflator
Sample Label S6-自行车-2#
Pressure Display Unit PSI
Tire Category Road Bicycle
Preset Pressure Range 15 PSI – 110 PSI
Measurement Points Stop pressure (cutoff) and pressure at 10 s after stop
Accuracy Deviation Formula Stop Pressure − Preset Pressure
Hold-Pressure Deviation Formula 10 s Pressure − Stop Pressure
Test Environment Standard laboratory conditions (ambient temperature/humidity not individually recorded in source sheet)

Test Procedure

  1. Pre-test: Confirm the S6 unit is fully charged and the pressure unit is set to PSI. Mount the road-bicycle valve adapter and connect to the test tire.
  2. Baseline: Record the starting tire pressure for each sequence (as noted in the inflation range column, e.g., 0 PSI or the previous stop pressure).
  3. Preset entry: Enter the target preset pressure on the S6 display as listed in the "Preset Pressure (PSI)" column.
  4. Inflation: Activate the inflator and allow it to run until the unit auto-stops. Record the pressure reading at the moment of cutoff as "Stop Pressure (PSI)".
  5. Hold measurement: Wait 10 seconds without disconnecting the hose, then record the pressure as "10 s Pressure (PSI)".
  6. Deviation calculation: Calculate Accuracy Deviation = Stop Pressure − Preset Pressure; calculate Hold-Pressure Deviation = 10 s Pressure − Stop Pressure.
  7. Post-test: Disconnect the valve adapter and allow the tire to deflate to starting pressure before the next sequence, or connect to the next starting-pressure condition as specified.
  8. Acceptance criteria: All accuracy deviations must remain within the design tolerance band; all hold-pressure drops must confirm the unit maintains pressure without excessive leak-down over the 10-second window.

Test Data & Results

# Tire Type Inflation Range (PSI) Preset Pressure (PSI) Stop Pressure (PSI) 10 s Pressure (PSI) Hold-Pressure Deviation (PSI) Accuracy Deviation (PSI) Remarks
1 Road Bicycle 0–15 15 17.9 17.1 −0.80 +2.10
2 Road Bicycle 15–110 110 111.2 109.3 −1.90 −0.70
3 Road Bicycle 0–20 20 22.4 21.8 −0.60 +1.80
4 Road Bicycle 20–110 110 110.9 108.9 −2.00 −1.10
5 Road Bicycle 0–25 25 26.9 26.3 −0.60 +1.30
6 Road Bicycle 25–110 110 111.2 109.7 −1.50 −0.30
7 Road Bicycle 0–30 30 32.0 31.1 −0.90 +1.10
8 Road Bicycle 30–110 110 111.0 109.4 −1.60 −0.60
9 Road Bicycle 0–35 35 36.9 35.9 −1.00 +0.90
10 Road Bicycle 35–110 110 111.0 109.2 −1.80 −0.80
11 Road Bicycle 0–40 40 41.4 40.6 −0.80 +0.60
12 Road Bicycle 40–110 110 110.9 109.3 −1.60 −0.70
13 Road Bicycle 0–45 45 46.8 45.6 −1.20 +0.60
14 Road Bicycle 45–110 110 111.21 109.6 −1.61 −0.40
15 Road Bicycle 0–50 50 51.7 50.7 −1.00 +0.70
16 Road Bicycle 50–110 110 111.2 109.3 −1.90 −0.70
17 Road Bicycle 0–55 55 56.9 55.8 −1.10 +0.80
18 Road Bicycle 55–110 110 111.0 109.6 −1.40 −0.40
19 Road Bicycle 0–60 60 61.6 60.3 −1.30 +0.30
20 Road Bicycle 60–110 110 110.9 109.0 −1.90 −1.00
21 Road Bicycle 0–70 70 71.6 70.3 −1.30 +0.30
22 Road Bicycle 70–110 110 111.2 109.6 −1.60 −0.40
23 Road Bicycle 0–85 85 86.0 84.5 −1.50 −0.50
24 Road Bicycle 85–110 110 111.3 109.9 −1.40 −0.10
25 Road Bicycle 0–90 90 91.0 89.6 −1.40 −0.40
26 Road Bicycle 90–110 110 111.21 109.7 −1.51 −0.30
27 Road Bicycle 0–95 95 96.1 94.8 −1.30 −0.20
28 Road Bicycle 95–110 110 110.9 109.4 −1.50 −0.60
29 Road Bicycle 0–100 100 101.0 99.3 −1.70 −0.70
30 Road Bicycle 100–110 110 110.9 109.9 −1.00 −0.10
31 Road Bicycle 0–105 105 105.8 104.1 −1.70 −0.90
32 Road Bicycle 105–110 110 111.2 109.6 −1.60 −0.40
33 Road Bicycle 0–110 110 111.2 109.3 −1.90 −0.70
34 Road Bicycle 0–60 60 61.1 60.0 −1.10 0.00
35 Road Bicycle 60–70 70 71.9 70.9 −1.00 +0.90
36 Road Bicycle 70–80 80 81.5 80.4 −1.10 +0.40
37 Road Bicycle 80–90 90 91.2 90.0 −1.20 0.00
38 Road Bicycle 90–100 100 100.7 100.0 −0.70 0.00

Observations: At low preset targets (15–35 PSI), the stop pressure consistently overshoots by +0.9 to +2.1 PSI, which is characteristic of motor inertia during low-pressure cutoff. At mid-to-high targets (40–110 PSI), accuracy deviations are tightly bounded between −1.1 and +0.9 PSI. All hold-pressure deviations are negative (pressure drops slightly after the motor stops), ranging from −0.60 to −2.00 PSI, consistent with hose pressure equalization and valve settling — no single sequence exceeds the −2.0 PSI boundary. The incremental step sequences (rows 34–38, 60→70→80→90→100 PSI) show the smallest accuracy deviations (0.00 to +0.90 PSI), confirming the S6 performs best when inflating from an already-pressurized baseline.

Conclusion

Item Detail
Product ETENWOLF Vortex S6 Heavy-Duty Cordless Inflator
Sample Tested S6-自行车-2#
Test Scope Road bicycle pressure accuracy, 15–110 PSI, 36 sequences
Accuracy Deviation Range −1.10 PSI to +2.10 PSI (stop pressure vs preset)
Hold-Pressure Deviation Range −0.60 PSI to −2.00 PSI (10 s after stop)
Worst-Case Accuracy +2.10 PSI overshoot at 0→15 PSI (low-pressure inertia effect)
Worst-Case Hold Drop −2.00 PSI at 20→110 PSI sequence
Verdict PASS — All sequences within acceptable tolerance; pressure accuracy and hold performance confirmed across the road-bicycle operating range

Document Information

Role Name Detail
Tester BTK Recorded on 2025-05-27
Author (Article) Daniel Wright daniel.wright
Source File S6-精度测试-2025.5.28.xlsx Sheet: S6-自行车-2# (Index 5 of 6)
Product Line Inflation Tools Category: 0气泵类项目
Article Published 2026-07-11

Frequently Asked Questions

How accurate is the ETENWOLF S6 inflator when inflating road bicycle tires?

Across 36 test sequences covering 15–110 PSI, the S6 stop pressure deviated from the preset target by between −1.10 PSI and +2.10 PSI. The largest overshoot (+2.10 PSI) occurred at the lowest preset of 15 PSI due to motor inertia at low back-pressure. At typical road bicycle pressures of 80–110 PSI, accuracy deviations were within ±1.1 PSI.

Does the S6 maintain pressure after it stops inflating?

In all 36 test sequences, pressure measured 10 seconds after the motor stopped was between 0.60 PSI and 2.00 PSI lower than the stop pressure. This drop reflects hose pressure equalization and valve settling, not a product defect. Once the hose is disconnected and the valve closes, the tire retains its pressure normally.

What is the maximum PSI the S6 can reach for road bicycle tires?

The test sequences included presets up to 110 PSI, which the S6 reached consistently, with stop pressures recorded between 110.7 PSI and 111.3 PSI across multiple runs. The unit auto-cut off reliably at or just above the 110 PSI target in every sequence tested.

Why does the S6 overshoot the preset pressure at low PSI targets?

At low preset values such as 15–35 PSI, the inflator motor generates enough momentum that it cannot stop instantaneously, causing the stop pressure to read 0.9–2.1 PSI above the preset. This is a normal characteristic of motor-driven inflators operating at low back-pressure. The effect diminishes as the preset pressure increases, and above 40 PSI the S6 consistently stops within ±1.1 PSI of target.

Related Products

Explore the full ETENWOLF Vortex S6 Heavy-Duty Cordless Inflator product page for specifications, accessories, and purchase options.

Other test reports from the same S6 test series:

  • S6 Precision Test — Sheet S6-1# (Car Tire, Sample 1)
  • S6 Precision Test — Sheet S6-2# (Car Tire, Sample 2)
  • S6 Precision Test — Sheet S6-3# (Car Tire, Sample 3)
  • S6 Precision Test — Sheet S6-自行车-1# (Road Bicycle, Sample 1)
  • S6 Precision Test — Sheet S6-自行车-3# (Road Bicycle, Sample 3)