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Search: Posts Made By: mitiempo
Forum: Electrical: Batteries, Generators & Solar 20-07-2014, 17:17
Replies: 18
Views: 635
Posted By mitiempo
Re: Outback 60 with partially shaded panels

For a 36 cell panel there are usually 2 bypass diodes. Still adds up to a loss if multiple panels are in series. Parallel doesn't have any issues with current from one panel passing a shaded panel.
Forum: Electrical: Batteries, Generators & Solar 20-07-2014, 13:21
Replies: 18
Views: 635
Posted By mitiempo
Re: Outback 60 with partially shaded panels

Wired in series a shaded panel is a roadblock. Not unlike the old series Christmas tree bulbs. Parallel will not stop a good output panel from passing through the connections of a shaded panel. In...
Forum: Electrical: Batteries, Generators & Solar 19-07-2014, 20:46
Replies: 18
Views: 635
Posted By mitiempo
Re: Outback 60 with partially shaded panels

Series works well on land where the panels can be installed with no shading issues. In any installation with shading parallel is the choice to make. Shading a series array kills it. Shading a...
Forum: Electrical: Batteries, Generators & Solar 19-07-2014, 19:00
Replies: 20
Views: 623
Posted By mitiempo
Re: My 12v set up

You are correct it doesn't make sense and can be 20 to 30% less efficient to use an inverter for laptops. Best to use the laptop manufacturers dc adaptor or a generic one.
Forum: Electrical: Batteries, Generators & Solar 19-07-2014, 18:58
Replies: 20
Views: 623
Posted By mitiempo
Re: My 12v set up

A full boat GFCI really - 30mA trip current instead of the 5 mA a single circuit GFCI trips at.

ELCI Main 30A Double Pole + 1 Position - Blue Sea Systems...
Forum: Electrical: Batteries, Generators & Solar 14-07-2014, 20:56
Replies: 51
Views: 1,739
Posted By mitiempo
Re: Battery bank sizes on sail boats

Blue Seas ACR or any other ACR parallels the batteries - no control over voltage.
Forum: Electrical: Batteries, Generators & Solar 14-07-2014, 19:59
Replies: 51
Views: 1,739
Posted By mitiempo
Re: Battery bank sizes on sail boats

If you are adding a large amount of distilled water to your batteries constantly there is something wrong with the charging system. Temperature compensation or just the charging voltage it is an...
Forum: Electrical: Batteries, Generators & Solar 14-07-2014, 19:48
Replies: 51
Views: 1,739
Posted By mitiempo
Re: Battery bank sizes on sail boats

Only if you use more AH. For a given usage the charging is the same regardless of how large the bank is. The difference is they will last longer as you are using a smaller percentage of the bank. The...
Forum: Electrical: Batteries, Generators & Solar 13-07-2014, 22:47
Replies: 51
Views: 1,739
Posted By mitiempo
Re: Battery bank sizes on sail boats

The larger the battery bank the less they will be drawn down for a given usage. Because of this they will last longer. The larger bank will also give you more amp hours than their rating suggests....
Forum: Electrical: Batteries, Generators & Solar 04-07-2014, 19:52
Replies: 13
Views: 515
Posted By mitiempo
Re: Battery Disconnect To Replace 1-2-Both

We sell both Cole Hersee and Bep in Victoria at Trotac Marine. But 100% of the battery switches we sell are Blue Seas. Haven't had one issue in the hundreds sold nor the ones I have installed.
Forum: Construction, Maintenance & Refit 02-07-2014, 02:26
Replies: 69
Views: 3,916
Posted By mitiempo
Re: Suggestions for Hard Dodger Construction Please

I agree the HR dodger looks good. Notice how the crown of the dodger is higher than the crown of the deck, looks better that way.
Forum: Electrical: Batteries, Generators & Solar 01-07-2014, 17:43
Replies: 13
Views: 515
Posted By mitiempo
Re: Battery Disconnect To Replace 1-2-Both

70mm square wire is close to 2/0 so a 50 amp switch capability is very insufficient. Blue Seas manual battery switches - even the smaller ones like the 6006 or 6007 are rated at 300 amps continuous...
Forum: Construction, Maintenance & Refit 01-07-2014, 17:01
Replies: 69
Views: 3,916
Posted By mitiempo
Re: Suggestions for Hard Dodger Construction Please

I think it needs more crown to the roof.
Forum: Monohull Sailboats 29-06-2014, 15:00
Replies: 126
Views: 21,086
Posted By mitiempo
Re: Great Boats at Great Prices?

Here's a Vertue II for you - a ways away though.
GRP Vertue II classic cruising yacht for sale - Yachtsnet Ltd. online UK yacht brokers - yacht brokerage and boat sales...
Forum: Electrical: Batteries, Generators & Solar 26-06-2014, 19:20
Replies: 38
Views: 1,051
Posted By mitiempo
Re: Lifeline vs. Trojan Charging speed

I don't believe that it is a "...rare boat that gets to 0.25C, let alone above that."

Rare among offshore cruisers but not the majority who only spend weekends and an annual 2 weeks or so away...
Forum: Electrical: Batteries, Generators & Solar 26-06-2014, 06:46
Replies: 38
Views: 1,051
Posted By mitiempo
Re: Lifeline vs. Trojan Charging speed

Most internally regulated alts are 14.4 as are any AC chargers on the FLA setting. 13.8 hasn't been common for many years.

Trojan's recommendation is 14.8 volts.
Forum: Electrical: Batteries, Generators & Solar 26-06-2014, 06:08
Replies: 38
Views: 1,051
Posted By mitiempo
Re: Lifeline vs. Trojan Charging speed

I disagree with this. While you want a minimum for efficient charging there is no maximum. The battery is the determining factor not the charging current. A charger cannot be too large.
Forum: Electrical: Batteries, Generators & Solar 26-06-2014, 06:05
Replies: 38
Views: 1,051
Posted By mitiempo
Re: Lifeline vs. Trojan Charging speed

[QUOTE=sailinglegend;1572264]....and doesn't seem too worried that the battery gets up to 50C! All this to prove his chargers can fast charge a battery better than anybody else's chargers, ignoring...
Forum: Electrical: Batteries, Generators & Solar 25-06-2014, 12:59
Replies: 38
Views: 1,051
Posted By mitiempo
Re: Lifeline vs. Trojan Charging speed

As long as the charging current is at or above the maximum the battery will accept - ie 20% of C for a flooded battery - then any available current over that amount makes no difference. In other...
Forum: Electrical: Batteries, Generators & Solar 25-06-2014, 12:25
Replies: 38
Views: 1,051
Posted By mitiempo
Re: Lifeline vs. Trojan Charging speed

Trojan recommends 10% of C as a charger that will do, not as a maximum. The battery is the determining factor. At a given voltage it determines the current it will accept, not the charger. A charger...
Forum: Electrical: Batteries, Generators & Solar 25-06-2014, 12:19
Replies: 38
Views: 1,051
Posted By mitiempo
Re: Lifeline vs. Trojan Charging speed

I have never seen a battery manufacturer recommend a charger at 10% of C. 25% is more like it.
Forum: Construction, Maintenance & Refit 25-06-2014, 12:07
Replies: 12
Views: 420
Posted By mitiempo
Re: Identify my Stove?

Not sure what it is but definitely not a Force 10. They did not have glass doors until recently. On a Force 10 the oven door ends up under the stove when it is open.
Forum: Monohull Sailboats 25-06-2014, 11:58
Replies: 27
Views: 1,295
Posted By mitiempo
Re: prepping deck for 2 part epoxy

Interlux Perfection is an excellent paint - maybe the previous owner didn't prep properly or maybe it wasn't Perfection. Other comparable choices would be Alexseal or Awlgrip.
Forum: Construction, Maintenance & Refit 16-06-2014, 20:34
Replies: 518
Views: 75,422
Posted By mitiempo
Re: Refurbing / Refitting an Older boat - Advice and Ideas

I disagree. In my experience boats with shoddily put together interiors have a lower resale value. I have seen and worked on half a dozen boats with DIY interiors that were better than most yards...
Forum: Monohull Sailboats 09-06-2014, 19:26
Replies: 34
Views: 2,161
Posted By mitiempo
Re: Surveyor, Victoria, BC

Kelly Thody is good - don't know Martin.
Showing results 1 to 25 of 500

 
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