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This shows the top view of the Ajin chassis showing the drive shaft and universals to the reduction gearbox which is integrated with the final drive to the centre axle and supported on the axle. |
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Here we see the bottom up view, the three gearboxes are linked by 'D' shaft and sleeve
couplings which allow freedom for the individual wheelsets to move on their springs but
are rigid enough to act as the torque arms for the gearboxes. (Where I wrote SD45 please read SD60, not that there's much difference but the chassis was actually intended for an SD60) |
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This is the frame sans wheelsets, very straightforward. |
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And the component parts, electrical pickup by the wipers attached to the plastic stretcher. |
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Here details of the springs and bearings, the axle end actually bears on the hole in the retaining plates, the hole in the axlebox proper is larger. The plates could be replaced when worn but I suspect the retaining lugs which are part of the lost wax axlebox will break and a new fixing would have to be devised. |
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These pics show the two types of gearbox with a P4 wheelset, the wheels are on the original axle and the axle end is not long enough for outside bearings so longer axles need to be substituted. |
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This pic shows the limit of the drive shaft u/j. At this angle they operate comfortably. |
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Here one of the motor - reduction gear drive shafts and a 'D' shaft from the end gearbox with its sleeve. |
