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This thread is privately moderated by Jack Crossfire, who may elect to delete unwanted replies. |
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Discussion
Tires, rocks, & servos
The Trackstar TS-940HG started intermittently dying at mile 8, so out came the oscilloscope. These servos worked reliably for years in the lunchbox & several weeks in the 3D printed truck before dying. They showed Vdd glitches down to 3V & it may have been switching to a battery that discharged to a lower voltage that caused the failures. There was no reason they should die in this vehicle instead of the lunchbox.
Anyways, out came a plan for a new shroud that completely seals the motor, except for the 1 wire. The entire traction module has to be reprinted. The vertical isogrids are finally going to die, since they're not very visible & they make the alignments worse. The vertical panels are going to be too cut up with motor mounts & H bridge clearances for an isogrid to be very useful. |
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