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Forum: Electrical: Batteries, Generators & Solar 06-04-2021, 02:31
Replies: 21
Views: 2,167
Posted By sstuller
Re: Solar to Battery Question

Do you really need two batteries? As long as the OB has a hand start option (low battery) you can use the house battery for starting.
Forum: General Sailing Forum 20-03-2021, 02:27
Replies: 71
Views: 4,753
Posted By sstuller
Re: On the philosophy of cruising

You are suffering from the law of diminishing returns. There is less and less enjoyment with each purchase. Stop. Sometimes less is more.
Forum: Engines and Propulsion Systems 10-03-2021, 04:21
Replies: 15
Views: 996
Posted By sstuller
Re: Electric motor for small boat

A trolling motor with a variable speed throttle instead of a five speed will almost double your battery run time. At half speed the variable uses half the energy as the five speed.
Forum: Monohull Sailboats 16-02-2021, 02:47
Replies: 73
Views: 7,532
Posted By sstuller
Re: Need some help understanding differences...

Take four dinghies, one each made of wood, fiberglass, aluminum and an inflatable. Tie them all to a steel dock. Come back a week later. The wood dink will be splinters, the fiberglass won't have a...
Forum: General Sailing Forum 03-02-2021, 02:26
Replies: 90
Views: 5,048
Posted By sstuller
Re: Motor sailor definition.

An estimate of motor thrust is about 25#/HP. If your working sail area is 250 square feet you will develop 250# thrust in a 15 knot breeze. A 10 HP motor will give you about the same thrust. So any...
Forum: General Sailing Forum 02-02-2021, 03:24
Replies: 90
Views: 5,048
Posted By sstuller
Re: Motor sailor definition.

A suggestion. If the sails develop more thrust than the motor it is a sailboat. An estimate of sail thrust is one pound per square foot in a 15 knot breeze. Motor thrust is a function of motor size....
Forum: Electrical: Batteries, Generators & Solar 28-01-2021, 03:16
Replies: 22
Views: 1,533
Posted By sstuller
Re: Help! Controllers for 2 solar arrays to 1 battery bank

Why not consider the two solar banks to be in parallel and run the combined positive and negative leads to one controller?
Forum: Anchoring & Mooring 05-01-2021, 00:02
Replies: 232
Views: 18,825
Posted By sstuller
Re: Anchoring with 4:1 Scope?

How are you going to set the anchor if your engine quits? Make sure your ground tackle and deck fittings are up to the task.
Forum: Anchoring & Mooring 04-01-2021, 02:28
Replies: 232
Views: 18,825
Posted By sstuller
Re: Anchoring with 4:1 Scope?

Try the square rigger anchor test. Sail down wind into an anchorage at three or four knots dropping your hook. If the anchor sets before you hit the beach it is big enough. How's your confidence...
Forum: Electrical: Batteries, Generators & Solar 27-12-2020, 05:28
Replies: 14
Views: 1,163
Posted By sstuller
Re: Max BATTRY LOAD LIMITS Whilst CHARGING

Your units don't make sense. Battery capacity is measured in Amp-hours not amps per hour (amps/hr). A 60 amp - hr battery






will provide 20 amps for three hours or 60 amps for one hour. ...
Forum: Electrical: Batteries, Generators & Solar 09-11-2020, 03:38
Replies: 14
Views: 1,260
Posted By sstuller
Re: Do I need a Different Batter Charger?

The solar panels will easily keep the batteries topped off during the winter. You don't need the shore charger. You should be able to check the condition of the batteries with a hydrometer.
Forum: General Sailing Forum 20-10-2020, 01:59
Replies: 116
Views: 7,863
Posted By sstuller
Re: Is Sailing Fun?

Recreation recharges your "batteries". Work discharges them.
Forum: Liveaboard's Forum 20-07-2020, 00:29
Replies: 166
Views: 13,168
Posted By sstuller
Re: Decadence

Not dragging!
Forum: Navigation 05-07-2020, 23:21
Replies: 58
Views: 4,492
Posted By sstuller
Re: Dealing with Thunder Storms

Get a shoal draft (<2') boat, stay on the ICW, and don't travel at night. During the day, if you see a storm, get off the marked channel and anchor. Have lunch.
Forum: Pacific & South China Sea 01-06-2020, 23:06
Replies: 43
Views: 5,093
Posted By sstuller
Re: Please talk me out of buying a sailboat in San Diego/Los Angeles

Anyone who would go to sea for pleasure would go to hell for a pastime re Mark Twain.
Forum: Engines and Propulsion Systems 30-09-2019, 01:09
Replies: 18
Views: 1,455
Posted By sstuller
Re: Honda BF20D outboard help

I can't seem to find the carburetor on my electric outboard.
Forum: Electrical: Batteries, Generators & Solar 24-06-2019, 00:13
Replies: 427
Views: 41,594
Posted By sstuller
Re: Viability of electric only propulsion in 2018 - is there a good option after all?

Why is range anxiety a problem if you have a generator to back up your solar charging system?
Forum: Electrical: Batteries, Generators & Solar 23-05-2019, 01:32
Replies: 32
Views: 2,866
Posted By sstuller
Re: Relion

Amp-hr / hr = amps.
Forum: Electrical: Batteries, Generators & Solar 14-05-2019, 00:21
Replies: 14
Views: 1,149
Posted By sstuller
Re: How to test for over-charging

Solar panels are safer than a shore charger because they turn off daily when the sun goes down.
Forum: Electrical: Batteries, Generators & Solar 06-03-2019, 01:13
Replies: 78
Views: 11,161
Posted By sstuller
Re: I'm running a 12v bilge pump on a 24v system

If you double the RPM of your diesel according to some replies you will reduce your fuel consumption by half. What a wonderful world we live in. Current is the fuel of an electric motor. Draw your...
Forum: Electrical: Batteries, Generators & Solar 05-03-2019, 03:11
Replies: 78
Views: 11,161
Posted By sstuller
Re: I'm running a 12v bilge pump on a 24v system

I would suspect that the pump would draw a lot more current. This means the pump's battery leads insulation would be threatened. Hopefully you have the inline fuse size the pump manufacturer...
Forum: Electrical: Batteries, Generators & Solar 27-01-2019, 02:24
Replies: 80
Views: 13,528
Posted By sstuller
Re: Best Marine Soldering Practices

As far as I know the Coast Guard does not allow soldered connections on inspected vessels. They must be crimped.
Forum: Auxiliary Equipment & Dinghy 13-12-2018, 02:14
Replies: 19
Views: 2,931
Posted By sstuller
Re: Torqueedo

It depends on the efficiency of the Tohatsu prop. The shaft power of 1800 watts does not include propeller losses. If the prop is 25% efficient the propulsion power will be equivalent to the...
Forum: Electrical: Batteries, Generators & Solar 30-11-2018, 02:30
Replies: 427
Views: 41,594
Posted By sstuller
Re: Viability of electric only propulsion in 2018 - is there a good option after all?

Re KTP #367 during the day motorsailing with low amp draw your solar panels may provide enough output to eliminate any battery drawdown. Thanks.
Forum: Electrical: Batteries, Generators & Solar 29-11-2018, 01:54
Replies: 427
Views: 41,594
Posted By sstuller
Re: Viability of electric only propulsion in 2018 - is there a good option after all?

Providing electric propulsion for power boats is considerably more difficult than sailboats. With sailboats you have the thrust of the sails as part of your power picture. Power boats have to rely on...
Showing results 1 to 25 of 70

 
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