[IMAC] Voltage Indicator Jim Frickey was the first sailplaner I had contact with that used the onboard LED a little over 2 years ago. I thought it was a great idea, bought 4 and equipped all my big sailplanes with them. Soon all the Austin, TX flyers had them and to date it has saved 2 ships I'm aware of because as Jim Bacus said, "You wiggle the sticks to load the system", and it is readily apparent the relative state of charge. After a few flights using the monitor you know just how many LED sectors the indicator will regress in relation to battery state of charge. Then that one not so magical day occurs when you notice the LEDs are retreating much faster than normal for the number of flights you've flown and after making sure that there are not other causative factors like under-charging, bad connections, etc. it becomes free airplane day! Meaning you get a new battery pack and save yourself the trouble and expense of replacing the sailplane that would now be dead had you not caught the bad battery in time! Thanks Mr. Frickey.
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