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  #331  
Old 03-26-2012
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Re: Low buck projects- Let's see 'em!

STRF4-3528-W3-12V-WP-T | Electron.com
these have the 3528 smd led's with a lower lumen output 180 -200 /m
power draw is 4.8 w/m
efficiency is 0.024 to 0.026 watts / lumen
STRF5-5050-W3-12V-WP-T | Electron.com
these have the 5050 smd led's with a higher lumen output 200-230 /m
power draw is 7.2 w/m
efficiency is 0.031 to 0.036 watts / lumen
it looks like the 3528 puts more energy into light and thereby less into heat
the biggest issue is regulated 12v supply over voltage may damage the unit
for switching a small latching push button would be easy (push once for on again for off)
for waterproofing circuits I use something called Dragon Skin FX pro 2 part silicone (generally used for casting makeup appliances) non-conductive and works great. Good for ip67 rating if you encapsulate your components and prep your surface

William White
SV Rangatira
1974 Discovery 32

Last edited by white74; 03-26-2012 at 05:44 PM. Reason: forgot content
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  #332  
Old 03-27-2012
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Re: Low buck projects- Let's see 'em!

Quote:
Originally Posted by white74 View Post
for waterproofing circuits I use something called Dragon Skin FX pro 2 part silicone (generally used for casting makeup appliances) non-conductive and works great. Good for ip67 rating if you encapsulate your components and prep your surface

William White
SV Rangatira
1974 Discovery 32
Whoa! Wait! What? You can IPX-67 something yourself with this stuff? You must show us how! Details/photos please!!!

MedSailor
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  #333  
Old 03-27-2012
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Re: Low buck projects- Let's see 'em!

not my idea found it on a web site for water cooled pc's I'll see if I can find the link
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  #334  
Old 03-27-2012
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Re: Low buck projects- Let's see 'em!

using dragonskin on a pc
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Old 03-27-2012
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Re: Low buck projects- Let's see 'em!

I enjoyed this thread so much the first time, I just read through it again.
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  #336  
Old 04-09-2012
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Re: Low buck projects- Let's see 'em!

Hi All,

Great thread; some great ideas! Anyone have a low-buck method to replacing the hatch lenses? Mine are getting badly checked, and in need of replacement, and I was quoted $400.00 per hatch to have them fixed!!

Thanks...Jeff
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  #337  
Old 04-09-2012
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Re: Low buck projects- Let's see 'em!

Try
Select Plastics, LLC - Connecticut's Best Custom Fabricated Plastics and Marine Hatch Repair

Not sure what they charge, but they seem to specialize.
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  #338  
Old 04-09-2012
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Re: Low buck projects- Let's see 'em!

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Originally Posted by eddi887 View Post
Hi All,

Great thread; some great ideas! Anyone have a low-buck method to replacing the hatch lenses? Mine are getting badly checked, and in need of replacement, and I was quoted $400.00 per hatch to have them fixed!!

Thanks...Jeff
That sounds like a quote from Select plastics.. they will do a good job and if your frames are sound that may well be the best way to go. These things are expensive new!

It is possible, however, to replace the lenses with Acrylic yourself and if your seals are still good that may be an option. Check Mainesails' Compass Marine site - he may have some tips. The sealant/adhesive Dow Corning 795 comes highly recommended for such jobs.
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  #339  
Old 04-09-2012
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Re: Low buck projects- Let's see 'em!

here's a low budget project....

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Low buck projects- Let's see 'em!-460.jpg  
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  #340  
Old 04-09-2012
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Re: Low buck projects- Let's see 'em!

If you can use a router table or a jigsaw and a drill you can do it yourself, as Faster suggests. I did one for $100. Get a piece of plexi - an offcut will often suffice and is cheaper than having them cut a full sheet.

Dow 795 is the sealant of choice - it's what they use to hold the glass in office towers so it should hold a couple of square feet of plexi.

It's an easy job - cleaning the old sealant off the hatch is the slowest part - the mounting lip must be PERFECTLY clean.
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