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The MotoSPEC GEARING TABLE will calculate the swingarm length and final ratio, as determined by the countershaft location and swingarm geometry.
The user can specify the swingarm length and sprocket ranges, and only gearing options within those ranges will be presented in the GEARING TABLE. The GEARING TABLE can be sorted to present the gearing options for the most efficient decision making.
The SETUP SHEET function can be used to write out chassis setting or geometry values directly from MotoSPEC into an Excel spreadsheet.
This eliminates the duplicate entry of values in MotoSPEC and the user's Excel setup sheet, saving time copying these values for record-keeping or when creating build sheets for mechanics. The cell address for each value is specified once, and then all the desired values can be written out with just a couple of mouse clicks. The file, column and row specifications are retained after MotoSPEC is closed, so that they are available the next time that the SETUP SHEET is used. 
The PageUp and PageDown keys can be used to increment the value of each setting in the three columns.
The 'Import HED file' function will fill the settings in one or all MotoSPEC columns from a 2D HED file.
This reduces the duplication of entering setup information in both 2D and MotoSPEC. This feature can be found under 'DATA AQ'>'Import HED file'. 
Inserts in the steering head or headstock of the frame can be used to adjust the rake and the weight distribution of the motorcycle.
MotoSPEC can specify these inserts in several ways, to accommodate all the different methods in use. 
MotoSPEC PRO licenses can specify tire profiles in order to consider the effects of lean angle on the geometry of the motorcycle.
An explanation of the effects of lean angle and tire profiles can be found in the post 'EFFECTS OF TIRE PROFILE WITH LEAN ANGLE'.
MotoSPEC v5.5 introduced analysis of lean angle and tire profiles in the PRO version of MotoSPEC.
Please see the post 'SPECIFYING TIRE PROFILES' for an explanation of tire profiles.
MotoSPEC v5.6.1 added a setting that will indicate the forward reference for the swingarm length.
Swingarm length is typically measured from the swingarm pivot axis to the rear axle. On most motorcycles, the swingarm pivot is visible and accessible. For Ducati Panigale V2 and V4 models with adjustable swingarm pivots, the eccentric adjustment occurs inboard of the swingarm bracket - so the swingarm pivot axis is not directly accessible for measurement. The calculations for swingarm and chassis geometry now consider the offset between the frame center and the actual swingarm pivot. |
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