Charts

Copper Wire Ampacity (Chassis Wiring, 60°C–90°C Insulation)

Conservative ampacity for short chassis runs; derate for bundles/heat.

powerwireampawg

CSV awg_ampacity.json

Minimum Inside Bend Radius (Air Bend – Starting Points)

Recommended *minimum* inside bend radius by material and thickness.

bendradiussheetmetal

CSV bend_radius.json

Sheet Metal Thickness (Gauge vs Thickness)

Common gauges for steel and aluminum; verify with supplier specs.

thicknessgaugesheet

CSV thickness_gauge.json

Spark Plug Condition Diagnosis Chart

Visual reference of spark plug tip colors and deposits to identify engine conditions and tuning issues.

spark plugignitionengine tuningdiagnosis

spark-plug-diag.jpg

Tap Drill Size Chart (UNC / UNF / Metric)

Recommended drill sizes for common UNC, UNF, and Metric threads. Sizes are for 75% thread engagement in general-purpose materials.

tapdrillthreadfastener

CSV tap_drill_chart.json

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AWG,Amps (approx) 18,10 16,13 14,18 12,25 10,40 8,55 6,75 4,95