AutoTech Hack 1.5

Screenshots

Description

AutoTech is an automotive calculator that offers the mechanic, technician or enthusiast quick computation of 45+ formulas in the areas of aerodynamics, chassis, drivetrain, engine, performance, suspension, and tires. Supports both U.S. and metric units.

Version history

1.5

2023-04-11

New Drivetrain Calculation:
- RPM (from speed, axle gear ratio, transmission gear ratio, and tire diameter)

New Engine Calculations:
- Valve Spring Open Pressure
- Valve Spring Rate

Fixed an issue in the Unit Converter where Weight was not being shown as an option.

1.4

2020-08-26

Dark mode support.

New Drivetrain section that includes:
- Axle Speed
- Driveshaft Critical Speed
- Gear Ratio
- Rear Wheel Torque
- RPM After Shift

New Engine Calculations:
- Deck Height Clearance
- Valve Curtain Area

New Density category in Unit Converter.

1.3

2016-10-15

Modernized user interface.

New engine calculation: Supercharger Temperature Gain.

Additional information provided for:
- Brake Mean Effective Pressure
- Effective Drive Ratio
- Equivalent Drive Ratio
- Power Loss at Elevation

1.2

2013-09-09

Four new calculations:
- Aerodynamic Lift-Induced Drag
- Injector Flow Rate
- Port Velocity
- Wheel Rate

Additional information provided for:
- Combustion Chamber Volume
- Piston Speed
- Tire Size

Supports larger 4-inch screen on iPhone 5 and iPod touch.

Other minor enhancements and internal improvements.

1.1

2011-10-20

Two new engine calculations:
- Optimum Intake Runner Size
- Peak Torque RPM

Now includes a unit converter!

Added a tire speed rating chart.

Fixed an issue with iOS 5.

1.0

2010-12-21