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Search: Posts Made By: EEngr
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Forum: Tech Log
9th Sep 2013, 15:04
Replies: 33
Views: 7,427
Posted By EEngr

bubbers44...

bubbers44 (http://www.pprune.org/members/117172-bubbers44)

NiCads are touchy beasts. What with their memory effect and flat voltage profile, verifying their state of charge and fully charged...
Forum: Tech Log
9th Sep 2013, 04:45
Replies: 33
Views: 7,427
Posted By EEngr

NiCad self discharge might be an issue that far...

NiCad self discharge might be an issue that far out. The APU might start if it lights up on the first try.
Forum: Tech Log
6th Sep 2013, 16:41
Replies: 33
Views: 7,427
Posted By EEngr

I pulled that figure from memory regarding a...

I pulled that figure from memory regarding a similar scenario posted about a 737NG. But that model has a switched hot battery bus and therefore more load connected to the main battery/charger source....
Forum: Tech Log
5th Sep 2013, 22:06
Replies: 33
Views: 7,427
Posted By EEngr

BOAC (http://www.pprune.org/members/14135-boac)...

BOAC (http://www.pprune.org/members/14135-boac) the HBB loads are those that are always on. So this becomes a case similar to parking an airplane in storage. How long can the battery endure this...
Forum: Tech Log
5th Sep 2013, 14:58
Replies: 33
Views: 7,427
Posted By EEngr

Oh, by the way. Add to glenbb's list of loads all...

Oh, by the way. Add to glenbb's list of loads all of the Battery Bus loads that will be lost when the battery goes dead. There is some important stuff on that bus as well.
Forum: Tech Log
5th Sep 2013, 14:55
Replies: 33
Views: 7,427
Posted By EEngr

The Hot Battery Bus (HBB) is always hot. The...

The Hot Battery Bus (HBB) is always hot. The 'BAT' switch controls the Battery Bus connection to the HBB and therefore its state (energized or not).

To answer genbb's question, upon failure of the...
Showing results 1 to 6 of 6


 
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