Re: Digest for bristol-yacht-owners@googlegroups.com - 1 update in 1 topic

[Greg Bowl]

Not really Bristol specific, but an energy audit means you have to know / find all these specs. You're asking others to do it for you.

You haven't said what your current battery capacity is, if that's been enough. And I'm not sure what 24/7 means unless you mean constant sailing, which brings up the subject of charging.

Too much missing info. What you need now is a BMS to see what you're using.

And something like a linear drive pilot will have varying usage depending on conditions,  there's no "one number" for it.

On Sat, Mar 4, 2023, 8:37 AM <bristol-ya...@googlegroups.com> wrote:

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• Power draw question - 1 Update

Power draw question

dave nederhood <dneder...@gmail.com>: Mar 03 02:16PM -0800 Good afternoon, all: I am working on figuring out my daily electrical draw prior to buying new house batteries. I do not have refrigeration, so my "big" draws are; autopilot, chartplotter, running lites (all LED), interior lites (LED), VHF, wind instruments, depth, speed, and AIS. Most on the list are "big" only because they are on 24/7. Does anyone know the typical power draw (amps/hr)for a below deck autopilot (Cetrek propilot 700)? My Cetrek is old as dirt, company out of business, but I have all the manuals. All I can find is that the system requires a 25amp antisurge fuse (from battery to power interface) and a 3amp fuse between power interface & steering motor. thanks Dave

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