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Re: Europa-List: Battery questions

Subject: Re: Europa-List: Battery questions
From: Fred Klein <fklein@orcasonline.com>
Date: Tue, 1 Oct 2013 10:03:55

On Oct 1, 2013, at 9:11 AM, Frans Veldman wrote:

> Is it really not possible to get an additional alternator in it? EFI
> tends to use quite some electrical power, and with batteries alone the
> flight won't last very long.

> Thinking about it, there is another possibility for having reserve
> electrical power for single alternator setups. A non-rechargable 
battery
> for just the EFI is also an option. Non-rechargable batteries are able
> to hold much more power per weight unit than their rechargable 
cousins.

Frans..as usual, you raise excellent questions along with innovative 
answers.

As one who has gone far afield from the standard build, I nonetheless 
have a "comfort zone" and endeavor to stay within it...for me to add a 
second alternator seems like a daunting task with potential unintended 
consequences. I seem to recall reading about or having a conversation w/ 
an A & P about differences between automotive and aircraft 
alternators...the salient point being that (for some reason) the 
automotive alternators are more reliable...but I speculate.

My EFIS (Dynon Skyview) has a back up battery module...and, for 
simplicity's sake, along with accepting that electronics is NOT my 
strong suit...I'll rely upon my mantra about "managing the degree of 
novelty", an arguably absurd claim given my decisions on my firewall 
forward set up.

Fred



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