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Please click on one of the following links to download carFactory:

Kangaloosh! carFactory V1.8.2 Setup

Kangaloosh! carFactory V1.8.2 Setup

This will download a .zip file which you must extract to a folder.  Double click on the Setup program to start installation.

carFactory V1.8.2 Release Notes

* Fixes 3 very minor bugs, 2 in aero player & 1 in tyre player.

* Increases performance of Aero Analysis by factor of 10.

carFactory V1.8.1 Release Notes

* This release addresses a number of minor issues with the aero player.

carFactory V1.8.0 Release Notes

* Aero player, select body, diffuser, front and rear wings, left and right flick-ups. Chart total, front or rear downforce, total drag, balance or efficiency (L/D).

* Adjust aero settings as you would see them in rF garage (wing settings etc.) while charts redraw dynamically

* Aero editor, tweak the lift and drag equations while watching the charts redraw - tool-tips for every setting

* HDV generator, generate the aero sections of the HDV when you are happy with your aerodynamic performance.

Please note, the Aero-analysis runs 2-3 times slower on Vista than XP.

carFactory V1.7.1 Release Notes

Thanks to CarloMaker for spotting a bug and then testing the bugfix.

* Tyres now save correctly on non-English Operating Systems.

* carFactory can now conect to the internet through a proxy server, with Auto-Detection of proxy server settings for sites using WPAD.

carFactory V1.7.0 Release Notes

* CISH (corrected inner suspension height) applied to mods as they are loaded in for analysis

* Many, many minor bug-fixes, thank you to everyone who reported a bug.

* Tyre curve editor.

* Tyre analysis, dynamically charts lateral/longitudinal slip (Fy vs slip), Load sensitivity, camber effects, self aligning torque, redrawing as you edit the curve shape.  Click 'Edit' to change the tyre's coefficients and watch charts redraw.

* All charts will zoom - just drag the mouse across the area you wish to see in more detail.  Right click on the chart to 'Un-zoom' and to choose other options.

carFactory V1.6.0 Release Notes

Five new types of Kinematic Analysis:

  • Steer Jacking:  As the wheels turn, caster and KPI combine to lift or lower the car, providing mechanical feedback and stability (or instability!)
  • Steer Camber: Caster will provide beneficial camber changes as the wheels steer, KPI causes camber changes contrary to those usually desired when cornering.  This option will show you how they trade-off.

And for those sufficiently adventurous to build multilink front suspension, perhaps following Audi's A4 and A8 designs.  The use of a virtual steering axis offers the potential for reduced KPI and/or scrub radius even when packaging constraints force the suspension balljoints outside the wheel rim's cavity:

  • Steer Caster
  • Steer Scrub Radius
  • Steer KPI

Analysis performed using differential equations has been rewritten to favour accuracy over speed. In V1.5.0 spikes appeared in the Roll Centre analysis.  This has been fixed.  Roll Centre analysis and the three multilink options, which also require differential equations to solve, are now 2 orders of magnitude more accurate, though suffer oscillations of very small magnitude due to rounding errors.

Works for non-English operating system installations.  The use of a '.' as the decimal separator is enforced even if your operating system believes that it should be a ','.

Please report any bugs that you find.

carFactory V1.5.0 Release Notes

Finally braving a 1.x.x release!  But PLEASE report any bugs you find.

The major feature of this release is the analysis of existing mods' suspension.  Choose the Analysis tab, open a mod's .hdv file and then browse charts of the suspension's behaviour and animate the suspension through its travel in 3D.  Drag the mouse while holding down the left or right buttons to pan and zoom the 3D display.

Steering arm length can be specified.  If you are creating suspension that you want to work well with the RealFeel force-feedback plugin then you need to be able to control the forces fed into the steering rack by your suspension.  The shorter the steering arm the greater the forces felt by the rack - if the forces are too strong compared to those caused by bumps in the track then increase the steering arm length.  Or, if you know your mod's real-life value then use that.

The .hdv output for spring and damper rates has been changed to output real spring rates instead of calculated wheel rates.  The values you now see in the garage are the values of the actual items fitted to the car.  SpringMult and DamperMult are now used to model the suspension's motion ratio (squared) and the installation angle.

The generated pushrods (should you choose to use them) are now much shorter.  The previous 5m pushrods, though geometrically accurate, were causing confusion to people browsing the .hdv file.

Ride height, bump travel and rebound travel have now been added to the .hdv output.

Anti-squat % has been added to the rear suspension - it works the same as the anti-dive that already exists for front suspension.  rFactor suspension is friction free, nevertheless do not use more than 20% if you wish to stay within reasonable real-life limits.

Caster is now written to the .hdv, even though it is built into the .pm - this is because ISI have confirmed that rFactor changes the position of the balljoints in your .pm file to match the value specified in the .hdv.

An 'rFactor V1.250' check box has been added to the Generate screen.  This thread explains how rFactor halves the strength of any anti-roll bars you define.  This will hopefully be fixed in rFactor 2.x.  In the meantime tick this box for carFactory to double the strength of roll bars in the generated .hdv.

carFactory V0.9.1 Release Notes

A minor release, to provide early availability of a couple of new features.

carFactory V0.9.0 Release Notes

All reported bugs, except one, fixed.  There is still a problem forcing the use of a US-English locale on Russian installations of Windows XP.

Caster is now written as 0 to the .hdv snippet, even if your suspension has caster.  rFactor just assumes all cars have no caster and adds it in again anyway.  It appears that when rFactor adjusts the position of the upright as you change caster and camber settings in the 'Garage' it does not adjust the steering attachment, so it is best to set your caster and camber values as accurately as possible in carFactory and then allow only small adjustments withing the rFactor 'Garage' or you will introduce bump steer, bump caster and strange ackerman angles.

Ranges are now automatically created for roll bar settings, the default settings will be those that match your chosen TLLTD.

A '1G Roll Angles' section has been added to the Ride and Roll screen.  This allows you to enter roll bar dimensions while carFactory tells you the roll angles and TLLTD that will result.

You can now specify internal diameters for hollow roll bars.

carFactory now reports the 1G roll angle caused by tyre deflection as well as that due to spring and roll bar deflection.

Pushrod inclination angle may now be specified for the ride springs.  If you know the spring rate for a car and can measure the motion ration and coil-over inclination angle to the vertical (0 deg is upright up to a maximum of 45 degrees inboard inclination) from a diagram, you can now specify all three values and carFactory will calculate the correct wheelrates for rFactor.

Antidive % may now be specified for front suspension.  carFactory will allow up to 100%, but it would be very unrealistic to use more than 20%.  rFactor suspension is frictionless, in real-life values above 20% cause stiction or binding of the suspension, which increases the effective wheelrate causing a loss of grip under bump when braking.  Antisquat has not been implemented.  rFactor does not let us model multilink suspension so there is no way to engineer out roll-oversteer resulting from antisquat geometry.  If anybody makes a serious attempt at modelling a drag race car, where antisquat is a real requirement, then let me know and I'll add it in.

carFactory now generates tyres.  There is much debate about the way rFactor models tyres so please refer to this RSC thread about carfactory generated tyres.

The tyres are generated to make sure that you have a set of tyres that model the relative grip across the two axles, in order to sensibly test the generated suspension.  If you happen to like the tyres generated then that is an added bonus!  Tyre files in the past have been modelled with varying grip levels for varying tyre sizes, which will not allow you to test the carfactory generated suspension sensibly.  The suspension performance will be masked by the tyre imbalance.  The carFactory tyre files will have the same grip levels front and rear, but will vary the Load Sensitivity to match the different tyre-sizes you may have on the front and rear axles.

Slip angles are also modelled, as is Pneumatic Trail, for which the Foundation Stiffness Model has been used.  Unfortunately I have no idea what model rFactor uses.  Heat is completely ignored as the units used by rFactor are proving unfathomable at the moment.

All tyre testing has been performed on Caterham mods.  The performance varying from the 1.4 K-Series Classic to the Powertec RPA V8 engined SVR mod.  As a result a very wide range of performance has been tested but only a very limited range of weight has been tested.  If you work with much heavier mods and experience tyre problems that are measurable with the MoTeC plugin then please pass on the details and I'll do my best to change carFactory's tyre model.