Trailing Arm - HOTCH
Trailing arm can be turned on and off for HOTCHKISS rear suspension.
In this section, a trailing arm option for HOTCHKISS rear suspension is explained.
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Trailing Arm = ON: Connects to an Axle
By using a CONSTRUCTION OPTION table, users can turn on or off this option.
Trailing Arm = ON: Connects to an AxleThis option is available only for HOTCHKISS rear suspension.
As shown below, a trailing arm is connected to an axle and a body.
To use this option, first users have to turn on "Trailing Arm" option in CONSTRUCTION OPTION tab.
Second, it should have geometry points for "trailing_arm_body" and "trailing_arm_axle". The example
of these points are shown below:
Third, trailing arm parts information should be entered in PARTS table.
Note that the default cg for the trailing arm is midpoint between "trailing_arm_body" and "trailing_arm_axle".
Fourth, trailing arm bushing information should be entered in BUSHING table.
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Third, trailing arm parts information should be entered in PARTS table. 
