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Crashed in the lake...can't take off?
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<blockquote data-quote="adamu77" data-source="post: 51900" data-attributes="member: 5068"><p>Good to hear it works. Just be aware that the water can penetrate deep into the Spark, including underneath the RF shields on the main PCB, where it will take a long time to evaporate. I successfully repaired a (fresh) water damaged Spark that had been fully submerged. The damage included a shorted ceramic cap on the small circuit board that connects to the battery; a shorted voltage regulator on the main PCB; electrolytic corrosion of the flat flex cable that links the battery connector to the main PCB; and a fried diode on the main PCB. The first three were the result of direct contact with water, the latter was likely caused by over-current due to a short. Everything else including the gimbal, obstacle avoidance cameras, IMU compartment, ESCs, motors, were fine. Note that even fresh water contains impurities that will leave residue on the circuitry, reducing their life. Minimally, I would recommend pulling out the main circuit board and popping off the RF shields, and inspecting under magnification/cleaning with distilled water if necessary.</p></blockquote><p></p>
[QUOTE="adamu77, post: 51900, member: 5068"] Good to hear it works. Just be aware that the water can penetrate deep into the Spark, including underneath the RF shields on the main PCB, where it will take a long time to evaporate. I successfully repaired a (fresh) water damaged Spark that had been fully submerged. The damage included a shorted ceramic cap on the small circuit board that connects to the battery; a shorted voltage regulator on the main PCB; electrolytic corrosion of the flat flex cable that links the battery connector to the main PCB; and a fried diode on the main PCB. The first three were the result of direct contact with water, the latter was likely caused by over-current due to a short. Everything else including the gimbal, obstacle avoidance cameras, IMU compartment, ESCs, motors, were fine. Note that even fresh water contains impurities that will leave residue on the circuitry, reducing their life. Minimally, I would recommend pulling out the main circuit board and popping off the RF shields, and inspecting under magnification/cleaning with distilled water if necessary. [/QUOTE]
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Crashed in the lake...can't take off?