Parallel combinations, also known as 1+1 or 1+1/2 combinations, are very wide and therefore require a great deal of space for manoeuvring.
HeavyGoods allows two SPMTs/PSTs to be driven one behind the other. However, it does not offer a native way of arranging vehicles next to each other. Nevertheless, there is an effective workaround.
The following workaround can also be applied to parallel trailers or followers.
Create your double width vehicles
Click on Management > Vehicles > Add Vehicle > Vehicle from Template.
Select your desired vehicle type, such as "SPMT with turntable."
Customize the vehicle and save it.
Make sure to adjust the following vehicle parameters:
Increase the width of the vehicle and the track width to match the dimensions of the parallel combination (e.g., 5,000 mm width). Switch to top view to ensure the vehicle has the correct dimensions. Note the following limitations:
No axles will be shown in the middle of the axle line, which is usually the case for parallel combinations.
Additionally, pendular axles with double tires (8 wheels per regular axle line) can only be provided by manufacturers, not regular users.
Set the correct number of axles and wheel offsets.
If your SPMT has a power pack at the front or rear, define its geometry using the front and rear overhang parameters.
Here's what your vehicle might look like:
If you need a second SPMT with e.g. its powerpack at the rear instead of the front, create a copy of your first SPMT using either the "Save Copy" button or the clone button in the vehicle list, and then adjust the copy as needed.
Create your vehicle combination
Click Management - Vehicle combinations - New Template.
Add your cargo and add the newly created SPMTs.
Position the cargo and save your vehicle combination.
Here's what your combination might look like:
The combination consists of a red, parallel 1+1 SPMT at the front, a yellow, parallel 1+1 SPMT at the rear, and a gray cargo loaded onto the two turntables of the SPMTs.
Simulate swept paths with your vehicle combination
Place your vehicle combination in the route section.
Simulate your swept path using either the guideline or the automatic maneuvering from start to target.
