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  #31  
Old 07-27-2012
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Re: Nicro Day-Night 2000 solar vent repair

Hylyte, there are some "ice box fans" that are small and often run on one D-cell battery, intended to circulate the air in an ice box. SInce those are using a low-power low-voltage motor, one of them might be a good donor source for replacement vent motors.

Using a 24-volt motor as the other poster indicated, kinda doomed to failure from the start. Most of the 1.5-volt "toy" or "hobby" motors out there will have really cheap integral bearings, they're usually not designed for a long life.
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  #32  
Old 07-27-2012
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Re: Nicro Day-Night 2000 solar vent repair

There is a guy on ebay selling the original Nicro 2000 day/night OEM unit. Only problem is that it is the plastic version, not the SS. I do know someone who bought one from him and he is a reputable seller.

nicro 2000 | eBay
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  #33  
Old 07-27-2012
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Re: Nicro Day-Night 2000 solar vent repair

Quote:
Originally Posted by hellosailor View Post
Hylyte, there are some "ice box fans" that are small and often run on one D-cell battery, intended to circulate the air in an ice box. SInce those are using a low-power low-voltage motor, one of them might be a good donor source for replacement vent motors.

Using a 24-volt motor as the other poster indicated, kinda doomed to failure from the start. Most of the 1.5-volt "toy" or "hobby" motors out there will have really cheap integral bearings, they're usually not designed for a long life.
I'm sure you are correct about the motor but, considering that it was only a few dollars, it's worth a try. The Ice Box Fan is a good suggestion and I have just ordered one from Camping World for investigation but it runs off of two D-Cells and so may require 3 volts verses .5 volts. The one solar panel I have will generate 3 volts but very low amperage and it is the "starting power" that is the issue, not the voltage. We'll see.
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  #34  
Old 07-27-2012
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Re: Nicro Day-Night 2000 solar vent repair

In all my years of hvac, I never even guessed such a POS (piece of sh...) could exist at a cost over or near $100! Yes, I'm on my 2nd one! I may try and fix the first one, again, someday.

They (solar vents) only move enough air to maybe keep mildew from growing when the boat is closed up in mild weather. Other then that, it's just a novelty imho "Hey and see that?" It's a solar powered fan" *gloat gloat* How many solar type vents would your boat need for it to have real ventilation? you don't want to know! (4 Xs the volume an hr)

Sailboat designers apparently don't or didn't consider ventilation vital to design or, discount it I guess; as a potential reason for sinking. Maybe newer boats ventilate better, but older boats are just ovens for baking people. I realize this is common to all boats with decks or and or cabins, not just sailboats

Oh! How I would love to get a chain saw and start cutting! Hinge the whole cabin top off my boat and so many others! (then watch a storm take it away)

Another example of poor ventilation is your home bathroom. If it were vented properly you would not get steamed and wet walls. But, if it were vented properly your energy bills for heating and cooling would go way up.

So, here we are, with to that close, blanket like feeling in our boats unless it's really nice and breezy outdoors. Nicro vents and those like them are not going to solve that.

My solution to being comfortable in my boat... WAIT FOR COOLER WEATHER!

A few facts about ventilation.
Odors are gas like and not easily removed by any amount of air flow.
humidity also will still move into a space that is ventilated.
"air treatment" is the act of recirculating air, using filters, heat and cooling to make it healty or comfortable. Example; clean rooms for industry and medical. not your home although the HVAC trade tries.

Was this was a rant?
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  #35  
Old 07-27-2012
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Re: Nicro Day-Night 2000 solar vent repair

denise, I wouldn't call them all POSes. After all, there are stainless and plastic and knock-offs out there as well. Stainless, if you've never enquired, is simply damned expensive to use for anything. Honest, ask for anything to be made up in stainless and you'll get quotes that make 24k gold seem outright cheap.

Chinese mass-stamped stainless....Yeah well I've got some cheap water tumblers stamped out in India, aside from having real sharp edges they serve a purpose at a clearance price. But to make up a solar vent, I think really only the guards over it need the strength of stainless, making the rest plastic has to be a HUGE cost saver.

Boat designers know how to vent a boat: Lots of bug dorade boxes. Damned silly landlubbers that come around buying boats, are just too dumb to buy 'em that way. Yeah, well....

Ever look at a modern building? "Every" architect knows that shades above the windows help keep it cool in the summer and reduce the cooling bill. Ever see a building equipped with them after WW2? Damned silly landlubbers. Again. (G)
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  #36  
Old 07-27-2012
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Re: Nicro Day-Night 2000 solar vent repair

The Nicro vent on my boat does exactly what I want it to: it keeps the interior air dry and thus the mildew to a minimum, and it provides just enough positive pressure to the cabin to keep the engine compartment and bilge odors from saturating the living areas of the boat when everything is closed up. When I open the boat after it has been closed for a week or two there is virtually no "old boat smell". That's why I installed it, and it does it's job.
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  #37  
Old 07-27-2012
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Re: Nicro Day-Night 2000 solar vent repair

It was just a rant.. the one on my boat has been running about a year now.

Hellos yes, I've worked with a few Architects over the years. One builder I used to do hvac for only built passive solar homes. That 2ft overhang really works well.

http://www.marinco.com/product/daynight-plus-vent
"Moves 1,000 cubic feet of air/hour or 24,000 cubic feet of air/day
(4” model)" what's that around 16.6 cfm? Not much, the powder room fan in your house moves around 50 - 100 cfm depending on which one you have.

I've always loved turbulators as used on barn roofs.. but on a boat.. not so pretty Dorade vents are nice and a "maybe someday" on my boat.
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Last edited by deniseO30; 07-27-2012 at 03:05 PM.
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  #38  
Old 07-28-2012
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Re: Nicro Day-Night 2000 solar vent repair

Let's see 4 pages of complaints about one product. You think there might actually be a market for one that actually lasts? How about if it was just repairable, screws not glue, parts available etc?

Gary H. Lucas
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  #39  
Old 07-29-2012
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Short Lived Nicro Day-Night 2000 solar vent repair

Well, HelloSailor's prediction concerning a cheap hobby-shop motor proved correct after only two daze. Worse, when I pulled the vent out of the hatch cover to check the state of charge of the Radio Shack rechargeable battery, I managed to drop the battery compartment cover which hit the deck and smartly bounced...over the side into the silt covered bottom of our marina. Repeated dives into the murk were not fruitful. So, if this Puppy can be repaired, it will be a "day only" vent tho' I'm about ready to chuck this whole effort!

N'any case, I recently saw a post for "Generic" 4 inch diameter Nicro solar vents (old style) and I am wondering if anyone knows if these have the same dimensions as the 3" vents other than the actual deck opening of course. (If so, I may be able to swap some of the parts) Any help on this will be greatly appreciated.
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  #40  
Old 08-01-2012
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Re: Nicro Day-Night 2000 solar vent repair

After tearing apart our hatch cover assembly, modifying the hand, and finally getting the new version Solar Vent installed, yesterday morning my slip neighbor's diver banged on my hull and announced that he had found the battery compartment cover that had bounced over the side the other day. "How ever?" I asked. "Oh, just felt around in the silt for a moment or two and there is was." he responded. He declined payment but I gave him enough money for a case of beer anyway.

So, even though the new vent is in place a spinning away--and it does make a great difference in the temperature of the boat when we open her up--I am still working on reconstructing the old vent--just on GP's.

FWIW...
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