[Rhodes22-list] anchor light

Fri May 21 14:29:44 EDT 2010

As I recall, LEDs need a certain minimum voltage to light at all.  And  
once they are on it's pretty much full on, so I don't think you can  
vary the brightness.  Not my field, so maybe somebody else can comment  
specifically.

Cheers!
John Lock
~~~~~~~~~~~~~~~~~~
s/v Pandion - '79 Rhodes 22
Lake Sinclair, GA
~~~~~~~~~~~~~~~~~~

On May 21, 2010, at 14:01, Michael D. Weisner wrote:
> John,
>
> Now I know why they recommend the lighting controller - flashing  
> reduces
> duty cycle and total energy consumed (and they may be more attention
> getting.)
>
> Alternatively, is it very difficult to regulate the current if you  
> are happy
> with a lower light output, especially at night, to reduce energy  
> demand?
>
> Mike
> s/v Shanghai'd Summer ('81)
> Nissequogue River, NY
>
> From: "John Lock" Friday, May 21, 2010 1:53 PM
>> I have used LED ropes for decor (on 4th of July), but not for
>> navigational visibility.  The current draw on those is higher than  
>> you
>> would think - around 0.2 amps per foot.  So when I run 2 thirty-foot
>> LED ropes from the masthead to bow and stern, they are drawing 6 amps
>> each or 12 amps total.
>>
>> I use a Davis Mega-Light Utility at anchor.  Only draws 0.11 amps and
>> has 360-degree visibility for 2NM.  Comes with a standard 12v plug  
>> and
>> a 15-foot cord.  I just attach it to the main halyard and hoist as  
>> far
>> as the cord allows.
>>
>> http://www.defender.com/product.jsp?path=-1|65136|992429&id=7961
>>
>> Cheers!
>> John Lock
>> ~~~~~~~~~~~~~~~~~~
>> s/v Pandion - '79 Rhodes 22
>> Lake Sinclair, GA
>> ~~~~~~~~~~~~~~~~~~
>>
>> On May 21, 2010, at 13:27, Michael D. Weisner wrote:
>>> Dave,
>>>
>>> I agree with you.  Lights are a necessity.  Be seen.  We have our
>>> share of
>>> imbibed sailors on LI Sound (not to mention crazy or drunk ferry
>>> operators)
>>> who have injured or killed boaters underway and at anchor.
>>>
>>> I was just looking at some 12V LED rope lighting to run up the
>>> rigging when
>>> at anchor.  Has anyone tried LED ropes?
>>>
>>> Do it yourself stuff:
>>> 150' spools:
>>> http://www.birddogdistributing.com/150-120volt-2wire-rope-light-spool-clear-accessory-p-116.html
>>>
>>> http://www.1000bulbs.com/search.php?search_data=12v+led+rope+white&cat=%22%22&x=0&y=0&count=10&start=0
>>>
>>> by the foot:
>>> http://www.birddogdistributing.com/precut-warm-white-2wire-led-rope-light-p-781.html
>>>
>>> http://www.sailorsams.com/mall/led-rope-lights.asp#12%20Volt%20LED%20ROPE%20Light
>>>
>>> Mike
>>> s/v Shanghai'd Summer ('81)
>>> Nissequogue River, NY
>>>
>>>
>>> From: "David Bradley" Friday, May 21, 2010 12:48 PM
>>> If camping on an inland lake at night, I would surely surely want to
>>> have an all-around light on the mast, and would have additional  
>>> lights
>>> in the cockpit during evening hours.
>>>
>>> Two summers ago a couple was camping in their sailboat on Lake
>>> Washington and they were run down at night by a drunken boater in a
>>> high-speed boat.  The woman was killed.
>>>
>>> Soberly,
>>>
>>> Dave B
>>> Seattle
>>>
>>>
>>> On Fri, May 21, 2010 at 5:08 AM, Joe Babb <joe.babb at comcast.net>
>>> wrote:
>>>> Hi Joe,
>>>> This is just my opinion. It's important to have some kind of  
>>>> light to
>>>> burn at night even when you are out of the channel and on an inland
>>>> lake. Here in East Tennessee we usually have a report at least  
>>>> once a
>>>> year of either bass boaters or jet skiers running into docks or  
>>>> other
>>>> things late at night. A nice secluded cove is no protection. Any
>>>> light
>>>> is good. It doesn't mean a drunken boater will see you, but maybe  
>>>> it
>>>> will make some difference. We have an all around light on the
>>>> masthead
>>>> which works for anchor or steaming according to CG. Some people
>>>> hang a
>>>> lantern in the rigging for an anchor light.
>>>> Best,
>>>> Joe
>>>> __________________________________________________
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>>>>
>>>
>>>
>>>
>>> -- 
>>> David Bradley
>>> +1.206.234.3977
>>> dwbrad at gmail.com
>>>
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>>
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>
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