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Go Back   SailNet Community > On Board > Gear & Maintenance > Electrical halp?
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Thread: Electrical halp? Reply to Thread
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Topic Review (Newest First)
01-26-2009 11:53 PM
peikenberry You mentioned the brown wire on the bilge pump. The reason is the marine industry uses different colored wires to indicate what equipment is being wired. Usually the red and the black go to the main panel. from there other colors are used for the various items of equipment. Look here for a list of the color codes. New Boatbuilders Home Page - Electrical Page 5 - Color Code
01-26-2009 09:37 PM
timebandit How big of outboard (HP) do you have??
01-26-2009 08:57 PM
erps
Quote:
I bought two 12volt 225AH batteries they weigh about 95 lbs each
Are those deep cycle?
01-26-2009 08:02 PM
21feetofnewb I hadn't fitted the alternator on yet. I was having a friend that was going to help me fit a bracket together for it but there isnt enough room for ventilation and I think it will EAT belts so Im just going to start from scratch on my plans , make it bare bones and add things as I need them..I bought two 12volt 225AH batteries they weigh about 95 lbs each and I have them on bth sides of the boat. making it even lol there is a TON of storage on my boat. so is not a problem
01-26-2009 07:33 PM
Rockter You have got an alternator, powered by an outboard, that can deliver 110 A continuous? without ending up in flames?
How does it cool?
The one on my ship is the size of a melon and is rated at 100 A continuous but man its appetite for cooling air is phenomenal.
01-26-2009 02:17 PM
timebandit Ya know--

The more time we spend on my boat the less power we use.

A small battery powered boom box is more than enuff for a small boat.

Most of the light is provided by red led lights placed around the cabin for night sailing. A small oil lamp provides light for most everything else and it's light output can be adjusted high or low depending on you mood. Three 12v cabin lights are hardly used at all.

The vhf on listen draws verry little power.

We get into a habit of up at dawn and down at dark.

We may explore all day long just motoring and looking.

Sometimes winding up that 800# keel to get over skinny water or lowering the mast to get under that 13' bridge to go where few sailboats can.

Some days we just head off shore and chase the wind.

We provision for 3 days in two ice chests and after that we are ready for a trip ashore to restock.

The little 8hp outboard is equiped with a 6 amp charger that keeps the batteries top up when running at 1/4 throttle. Battery bank consists of 2 group 27 batteries the same as the tow truck uses (not deep cycle).

I also have a the charging system of the truck hooked to the boat to insure the batteries are fully toped off when we arrive at the launch ramp. A 2/30 charger is hard wired to replenish the batteries at the dock if we do that.
01-26-2009 01:25 PM
Gryzio I tried to find a picture of the inside of a Kells 21'. I did see the outside of a 23' and it probably similar.

I am working on a Santana 21' for my winter hobby time. Going to be my "Gunkholer".

I enjoy the challenge of making a small sailboat comfortable. Everything needs a place or I can not need or want it!

I placed an AGM battery down below on the starboard side for when I use a Trolling motor to move in and around the docks. Now the boat lists (Tilts) to the starboard side. So, I bought another AGM to even it up!

Just wanted to be sure you take into consideration weight distribution.

I wanted to keep the original Fuse panel as it has the company name inscribe on it. There are holes for up to 4 circuits (May add one more).

Three circuits are already labeled so I just keep as is. I have ordered new fuse/switch replacements. Will even have little lights to show when something turned on.

I will have Volt and AMP meters mounted above my panel for the $200-300 Blue Sea look at a cost of $54, excluding wires.

For myself, the electric will be experimental as I will have a small refrigerator (Waiting on some spec info now from the manufacturer) and central AC (air conditioner and highly experimental). These two may only work when tied to the umbilical cord at the dock. Lot of number crunching going on now.

My electric concerns will revolve around the trolling motor, refrigerator and AC. If not for playing around with these, I have all the electric I need. The trolling motor being the most important. I not want a Dinoburner engine! I want to smell and hear the sea.

I will have Red wires (Positive) and Black wires (Negative). I think the bilge pump I bought has white and brown wires, so there are a few cases of varied colors.

I wanted special lights below to make my boat different from the norm. Electroluminescent strips are what I want to experiment with and I will build a simple inverter to power them as 12-24 Volt DC not work. I have a few store bought inverters, a small 400W and a larger 3000W, but, can not learn if we not build it ourselves.

I may have some bright lights, maybe something for reading, but, they not what I plan to use for primary low amp lighting.

I will have some LED stuff for fun.

Will it all work? Will know by this summer, if, I can stay on schedule. It cold today so I sit in a warm home and e-mail companies for some numbers. No cell phone or inet at the remote boat dock.

The refrigerator for $150 +/- can be donated to a college student next fall if it not work. The $125 AC may be beyond help when it not work, which we (I have friends involved) think may be a flop. Space being more of a concern than the electric.

The 50W Solar panel will not be able to keep pace with the AH usage, but, we hope it give a little time before we have to reattach the umbilical cord.

We are looking at building a small wind generator from a treadmill motor (or something similar), maybe it help.

This all takes a lot of downloading manuals/schematics, reading and emailing companies for specs. Then actually going beyond my numbers and experimenting.

I hope the picture work to help with ideas of utilizing space. This a plastic tub from wal-wort. If, my measurements are correct, 3-4 of these will slide under my cockpit for storage. The first in is least used stuff and furthest back. Small rope attached to each one help pull them out. There is still some room to the side to slide my sculling oars.

Well I not good at explaining things and may not have actually helped. But, I was excited to see someone else wanting to fix up an old 21' sailboat and hope you get it all to work for you.

Old sailboats never die, they just get new poly tarp sails. Well mine may be canvas drop cloth. But, that's another long story that I may not be good at explaining.
01-26-2009 10:31 AM
kaluvic I'm putting 900 AHs (12v) made up of 6-6v AGMs batteries in a box about 22" square by 13" deep...I thought that was pretty small.
01-26-2009 10:00 AM
patrickrea This must be a pretty wide and deep boat to fit 400Ah of battery on board as well as a large supply of fuel. I'm trying to figure out how to fit a 3rd Group 27 (height restrictions) into my house bank and I'm on a 30 foot.

Could you post a photo of your outboard? I couldn't drive a 100A alternator with my Atomic 4 without causing belt problems.
01-26-2009 03:06 AM
kaluvic
Quote:
Originally Posted by btrayfors View Post
Wow....I'd love to see a picture of that :-)

Bill
Me too...I suspect a typo!
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