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marvin4239
Joined: 06 Feb 2007
Posts: 1165
City/Region: Jacksonville Florida/Wilmington NC
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 22 Cruiser
Vessel Name: C-FLE II
Photos: C-FLE II
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 Posted: Sun Nov 30, 2008 1:21 pm Post subject: Anchor Light reflection |
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Yesterday I went to the Christmas boat show on the St John's in downtown Jacksonville (pics in album). I had a 25 mile cruise back home in the dark and it was pitch black. I noticed a really annoying reflection from my anchor light on my deck and railings. I think this has been discussed before but can't seem to find the link. I seem to remember someone fabricating some sort of diffuser on the anchor light to prevent the reflection. Does anyone remember this discussion or what have you done to eliminate the reflection short of moving the light to the rear of the cabin.
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Chester
Joined: 04 Sep 2006
Posts: 1176
City/Region: home
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 22 Cruiser
Vessel Name: Sold to lovely couple
Photos: Chester
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| Posted: Sun Nov 30, 2008 2:28 pm Post subject: |
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Perko has a disc that mounts on the light pole just under the light to address this situation. I have no experience with the product, just saw it on their website. It shouldn't be too hard to mock one up using materials on hand just to see if it might work.
Some people put foam water pipe insulation on the rails to kill the reflection. |
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Alyssa Jean
Joined: 02 Nov 2003
Posts: 2376
City/Region: Guemes Is.(Anacortes)
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 16 Angler
Vessel Name: Alyssa Jean
Photos: Anna Leigh and Alyssa Jean
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| Posted: Sun Nov 30, 2008 5:54 pm Post subject: |
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You could take the lid from a 5 gallon plastic pail and cut the rim off with a bandsaw, drill a hole of the appropriate size in the center and play with that to see if it will do the trick.
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David and Kate
Alyssa Jean 16 Angler
Anna Leigh 22 Cruiser Sold 2005
Anna Leigh 25 Cruiser Sold 2014
K7KJR C-Brats #51 |
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marvin4239
Joined: 06 Feb 2007
Posts: 1165
City/Region: Jacksonville Florida/Wilmington NC
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 22 Cruiser
Vessel Name: C-FLE II
Photos: C-FLE II
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| Posted: Sun Nov 30, 2008 6:05 pm Post subject: |
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| Anna Leigh wrote: | | You could take the lid from a 5 gallon plastic pail and cut the rim off with a bandsaw, drill a hole of the appropriate size in the center and play with that to see if it will do the trick. |
Thats sort of what I had in mind but I thought someone had already done something similiar but can't remember what they used.
This is the post I remember reading...
One thing that helped tremendously with night running (which I avoid as much as possible) was making a light shield for the all around light to shade the fore-deck. I used cardboard cereal boxes for cut-and-try sizes until I got full shading of the deck and handrails and made the permanent one from natural gas or propane flue pipe; it is a thin aluminum that can be cut with scissors (not the admirals sewing scissors, please). To mount it I cut a hole the size of the spigot on the plastic lens and simply slip it on the lens and screw it all back onto the light fixture (which is an extra long one from Perko to get above canoes or kayaks I have on a roof rack I made). |
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JamesTXSD
Joined: 01 Mar 2005
Posts: 7481
City/Region: from island boy to desert dweller
State or Province: AZ
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: "Wild Blue" (sold 9/14)
Photos: Wild Blue
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| Posted: Sun Nov 30, 2008 8:18 pm Post subject: |
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Our anchor light is at the rear of the cabintop, on a mast that reaches above the radar - no problem with reflection on the bow rail or forward deck. One thing to keep in mind if you make any kind of light-block: be sure that your light can be seen from up close, all around near the boat... you don't want someone to whack into you at anchor because they came by close up in a dinghy and couldn't see the light because of the shade.
Best wishes,
Jim B. |
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marvin4239
Joined: 06 Feb 2007
Posts: 1165
City/Region: Jacksonville Florida/Wilmington NC
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 22 Cruiser
Vessel Name: C-FLE II
Photos: C-FLE II
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| Posted: Sat Dec 06, 2008 8:42 am Post subject: |
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| On follow up I cut a 4" disk from some scrap aluminum with a hole the size of the base of the light in the center then removed the globe and put the disk on held in place by the globe. It's just enough to eliminate the glare and not enough to block the light as Jim mentioned. Now I'm working on a way to block the glare from my chart plotter. |
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Chester
Joined: 04 Sep 2006
Posts: 1176
City/Region: home
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 22 Cruiser
Vessel Name: Sold to lovely couple
Photos: Chester
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| Posted: Sat Dec 06, 2008 11:02 am Post subject: |
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| One way to 'dim' the chart plotter is to find a thin, dark plastic waste basket liner and lay one layer over the screen. |
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Wandering Sagebrush
Joined: 21 Jan 2005
Posts: 2783
City/Region: Northeast Oregon
State or Province: OR
C-Dory Year: 2005
C-Dory Model: 22 Cruiser
Vessel Name: Constant Craving
Photos: Constant Craving
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| Posted: Sat Dec 06, 2008 11:33 am Post subject: Chart Plotter |
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We throw a towel over the display when we don't want to mess with the brightness adjustments.
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"And in the end, it's not the years in your life that count. It's the life in your years." - Abraham Lincoln |
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journey on
Joined: 03 Mar 2005
Posts: 3598
City/Region: Valley Centre
State or Province: CA
C-Dory Year: 2005
C-Dory Model: 25 Cruiser
Vessel Name: journey on
Photos: Journey On
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| Posted: Sat Dec 06, 2008 12:40 pm Post subject: |
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As Wandering Sagebrush mentions, chart plotters have a brightness adjustment, usually with a night setting. If you're cruising at night, I'd think that chart plotter/radar info would be most helpful, and I'd find the night level. This is red on the JRC we use.
Boris |
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marvin4239
Joined: 06 Feb 2007
Posts: 1165
City/Region: Jacksonville Florida/Wilmington NC
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 22 Cruiser
Vessel Name: C-FLE II
Photos: C-FLE II
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| Posted: Sat Dec 06, 2008 3:11 pm Post subject: |
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| My chart plotter Humminbird 797 doesn't have a night or brightness setting so the trash bag trick sounds good thanks. |
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JamesTXSD
Joined: 01 Mar 2005
Posts: 7481
City/Region: from island boy to desert dweller
State or Province: AZ
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: "Wild Blue" (sold 9/14)
Photos: Wild Blue
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| Posted: Sat Dec 06, 2008 3:38 pm Post subject: |
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Marvin,
We seem to be getting a slight glare, too, now that you mention it...
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Jim & Joan
CD-25 "Wild Blue" (sold August 2014)
http://captnjim.blogspot.com/
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marvin4239
Joined: 06 Feb 2007
Posts: 1165
City/Region: Jacksonville Florida/Wilmington NC
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 22 Cruiser
Vessel Name: C-FLE II
Photos: C-FLE II
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| Posted: Sat Dec 06, 2008 5:05 pm Post subject: |
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| JamesTXSD wrote: | Marvin,
We seem to be getting a slight glare, too, now that you mention it...
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Jim I was going to ask how you ever see it looks great. |
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Wandering Sagebrush
Joined: 21 Jan 2005
Posts: 2783
City/Region: Northeast Oregon
State or Province: OR
C-Dory Year: 2005
C-Dory Model: 22 Cruiser
Vessel Name: Constant Craving
Photos: Constant Craving
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| Posted: Sat Dec 06, 2008 7:17 pm Post subject: Humminbird |
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Marvin,
I should have sent you my 757. It had a bad display and was so dim that you couldn't see it if there was any outside light.
On the 757, and I suspect that your 797 is the same, hit your power switch after you turn it on. It should pop up a display that you then adjust using the left and right arrows on the rocker switch. Left to dim, Right b bright.
Let me know if that works.
Kind Regards,
Steve |
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marvin4239
Joined: 06 Feb 2007
Posts: 1165
City/Region: Jacksonville Florida/Wilmington NC
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 22 Cruiser
Vessel Name: C-FLE II
Photos: C-FLE II
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| Posted: Sat Dec 06, 2008 7:38 pm Post subject: |
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| Thanks Steve I'll try that tommorrow couldn't find anything in the manual and the Humminbird help line didn't know. |
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HIGH TIME
Joined: 12 Apr 2008
Posts: 26
City/Region: VONORE
State or Province: TN
C-Dory Year: 2006
C-Dory Model: 19 Angler
Vessel Name: HIGH TIME
Photos: HIGH TIME
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| Posted: Sun Dec 07, 2008 10:20 am Post subject: |
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| Milehog wrote: | Perko has a disc that mounts on the light pole just under the light to address this situation. I have no experience with the product, just saw it on their website. It shouldn't be too hard to mock one up using materials on hand just to see if it might work.
Some people put foam water pipe insulation on the rails to kill the reflection. |
Perko # 1192DPOBLK ... West Marine part # 192411 ... $12.99 ... Shields the light, but not completely.
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DON & PAL, AT THE JUNCTION OF THE LITTLE TN. AND TELLICO RIVERS. |
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