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#1
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Tropical.... you need to go back and revisit the manual again.
That section you refer to does not say "recommended", not "mandatory". It is not required for an annual inspection to accomplish to return to service. In the following section... of the manual that I posted for information.. I read it as.... 7.7 CONTINUED AIRWORTHINESS DETERMINATION FOR GILL AIRCRAFT BATTERIES 7.7.1 To ensure continued airworthiness the battery should be removed and capacity tested. The recommended service period should initially be at 800 ± 50 hours or 11 ± 1 calendar month(s) whichever comes first. After the initial service, the It also says for the book... 7.7.2 The airworthiness limitations section (noted in 7.7.1) is FAA approved and specifies maintenance required under Sections 43.16 and 91.403 of the Federal Aviations Regulations unless an alternative program has been FAA approved. to suggest it is recommended maintenance? The way I read it.. it says maintenance required... means to me that its not "recommended" but rather mandatory. The discharged battery may not be airworthy because it does not have the necessary capacity required to operate the aircraft avionics and electrical system in the event of generator (alternator) failure. Hope this helps... Fly safe GMAs Pete... to answer your question... on field voltages ... static non running engines... would be the battery voltage.... when the master is turned on and the field ckt breakers are pushed on.... minus the 0.70 v. IR voltage drop across the blocking diode and a little for the wire IR lengths. thus you can do the math or should I ? (basically its the battery voltage minus 0.7 when measured at the field terminal but,.... just because their are so many experts on here... I just checked the alternator service manual for both the motorola alternators (of which this years plane had also) and the Ford's ... both agree the the field is energized with the battery voltage. (ya I know your going to say next the the Alt restart only has 4 C size bats which comes up with only 6 volts... but that is just a tickler if the battery is dead... you know that) If you go to the maintenance manual Table 2 Ppg 7 it shows about how much they want their Gill bat charged at/set VRs too. The Gill bat maintenance manual (make sure your reading the flooded cell (dry charge)one).... its a good manual and should be kept with the planes service information... best of all its free and you don't have to pay for it. I am sure a lot of others would like to have the group get togeather agian and have the tech talk sessions like we had before. Maybe if we had time we could get togeather and have those smoker sessions togeather again. Take care my friend GMAs |
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#2
09-22-08, 09:48 AM
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Quote:
I'll call my PMI today and ask him what he thinks of this. I already know the answer, but just for fun I'll run it by him. |
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