Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 19-01-2009, 08:57   #16
Registered User
 
captjcook's Avatar

Join Date: Jul 2008
Location: Fort Lauderdale Florida
Boat: Northstar 1500, 35'
Posts: 318
I just bought (3) 100w sun panels new from Sun Electronics for $258 each. I wil be building these into a fixed bimini and post progress and pics soon. Sale will last one more week for those interested.
__________________

__________________
captjcook is offline   Reply With Quote
Old 21-01-2009, 05:36   #17
Registered User
 
Bill_E's Avatar

Join Date: Aug 2008
Location: New Mexico and Puerto Rico
Boat: Sunbeam, 37, Ziamar
Posts: 300
Those are really good prices per watt. I'll have to call them and see about the panels, I've never heard of the brand.

I'll also do some quick calculations and will post later about my thoughts for going solar on my 37 ft Sunbeam. I'd love comments and suggestions. Thanks for the info that is already here.

Bill
__________________

__________________
Bill_E is offline   Reply With Quote
Old 21-01-2009, 09:09   #18
Vendor
 
witzgall's Avatar

Join Date: Oct 2006
Location: Eastern Shore, MD
Boat: Camper Nicholson 44 Ketch
Posts: 1,775
Review please

It seems like there are alot of lower priced panels entering the market, a good thing - if they will stand up to the marine environment.

Could you give us your impressions of the product when you get them, and maybe again when you put them in service?

Thanks,
Chris


Quote:
Originally Posted by captjcook View Post
I just bought (3) 100w sun panels new from Sun Electronics for $258 each. I wil be building these into a fixed bimini and post progress and pics soon. Sale will last one more week for those interested.
__________________
witzgall is offline   Reply With Quote
Old 21-01-2009, 13:03   #19
Registered User
 
SeaKing's Avatar

Join Date: Jan 2006
Location: Shady Side, MD
Boat: Voyage 470 "SeaPaws II"
Posts: 509
Quote:
Originally Posted by captjcook View Post
I just bought (3) 100w sun panels new from Sun Electronics for $258 each. I wil be building these into a fixed bimini and post progress and pics soon. Sale will last one more week for those interested.
What are the dimensions of those panels. I do not see that on Sun's website
__________________
SeaKing is offline   Reply With Quote
Old 21-01-2009, 18:06   #20
Senior Cruiser

Cruisers Forum Supporter

Join Date: Jul 2005
Boat: Outbound 44
Posts: 4,583
Quote:
Originally Posted by SeaKing View Post
What are the dimensions of those panels. I do not see that on Sun's website
and what is the panel weight (not shipping weight)? This looks like a smoking deal. The website says minimum purchase is 4.

Paul L
__________________
Paul L is offline   Reply With Quote
Old 21-01-2009, 18:46   #21
Registered User

Join Date: Nov 2008
Location: manassas virginia,USA
Boat: bayliner 2670 explorer "IPANEMA"
Posts: 20
you cant mix solar panels can you?
john 2670 explorer..."IPANEMA"
__________________
fabricator john is offline   Reply With Quote
Old 22-01-2009, 06:35   #22
Registered User
 
captjcook's Avatar

Join Date: Jul 2008
Location: Fort Lauderdale Florida
Boat: Northstar 1500, 35'
Posts: 318
The dim's frame 20-3/4 x 40-7/8 x 1-13/16, approx. 2-1/4 frame plus junction box. The bathroom digital scale reports 13.6 pounds. The panels are black anodized. I have dealt with Sun Electronics for nearly 20 years, Inverters, generators, They have 12v squiggly flourescent standard base lamp bulbs for $12 too. They are a good company. These panels are their own brand and come with 5 year m/w, 10 year 90%, 25 year 80% warranty...industry standard. I would guess they would sell less qty. they have 300+ of these panels. More info on ebay. As for my my impressions...I couldn't be more happy unless you paid for them!
Jim
__________________
captjcook is offline   Reply With Quote
Old 22-01-2009, 16:17   #23
Registered User
 
Bill_E's Avatar

Join Date: Aug 2008
Location: New Mexico and Puerto Rico
Boat: Sunbeam, 37, Ziamar
Posts: 300
From my reading, with a good charge controller you can mix panels. Most panels have blocking diodes so cells that are not producing current don't rob the others.

But, some of the experts can probably contribute more information.

Bill
__________________
Bill_E is offline   Reply With Quote
Old 22-01-2009, 18:30   #24
Registered User
 
Bill_E's Avatar

Join Date: Aug 2008
Location: New Mexico and Puerto Rico
Boat: Sunbeam, 37, Ziamar
Posts: 300
Here are my plans for solar on our boat. Any comments or suggestions are really welcome. I think I understand the basic parameters and the estimations of use. We will be cruising down the Thorny Path and I'm sure that there will be times when we won't run the engine or won't be on shore power for days at a time. I've got both a refrigerator and a freezer and I'd like to keep both of them running. We will also probably be using a laptop a lot for course planning, writing, and email (when possible). So with all of the other stuff, I estimate about 150 Ah per day, minimum. Our radar is also a pretty good draw but it will be used infrequently and at times when a lot of the other equipment isn't being used. I'm probably underestimating the draw. It seems that most people underestimate, until they start to make real measurements. I have 3 good house batteries. I don't know their details because the boat is in Fla and I'm in Puerto Rico right now. The aux diesel has a humungous Balmar alternator but I'm hoping not to have to run it very often. No genset. I will not run the A/C unless we are on shore power and in a hot marina.

I plan to mount the solar panels above the bimini. I've seen a couple of nice installations. There is a very good welder in the marina where we are presently stored and I'll have him reinforce the bimini frame and weld a frame to mount the panels above the bimini. I think that I can get 3 130w panels in the space, two running parallel to the centerline and one across. I'd like to have a way to adjust the angles on the panels, at least a bit, to try to get more efficient use in the mornings and evenings. (If anyone has any clever ideas about mountings with angle adjustment please let me know!!!!) Right now I'm leaning towards the Kyocera 130s. They are much smaller and lighter than any of the larger (say 185w) panels. They also have very good PTC ratings and a +-5% power tolerance. There are some slightly more efficient panels on the market but another advantage of the Kyocera is that it is waranted for mobile applications. I'm not really sure how important that is but it gives me a little more confidence. I'll run the panels into an MPPT controller. I haven't decided on the brand but I'm leaning towards BZ. If anyone has any experience with these, I'd love to hear about it. That system should give me about 120 Ah of production on a sunny day. So, I shouldn't be draining my batteries too fast and can probably make it between times when I'll have to motor anyway.

Any comments or suggestions? I'd especially love to hear any experiences with mounting systems for putting the panels above the bimini.

Bill
__________________
Bill_E is offline   Reply With Quote
Old 22-01-2009, 20:17   #25
Vendor
 
witzgall's Avatar

Join Date: Oct 2006
Location: Eastern Shore, MD
Boat: Camper Nicholson 44 Ketch
Posts: 1,775
Bill;

I am not sure that is an accurate statement. I think SOME panels have blocking diodes between each sell, but many do not. Those that do, are often refered to as shade tolerant.

Chris

Quote:
Originally Posted by wlearl View Post
From my reading, with a good charge controller you can mix panels. Most panels have blocking diodes so cells that are not producing current don't rob the others.

But, some of the experts can probably contribute more information.

Bill
__________________
witzgall is offline   Reply With Quote
Old 23-01-2009, 00:18   #26
Moderator
 
Paul Elliott's Avatar

Cruisers Forum Supporter

Join Date: Sep 2006
Posts: 3,880
Images: 4
I believe the per-cell diodes that let current flow around a shaded cell are called bypass diodes. The diodes that allow you to parallel multiple panels (or multiple strings within a panel) are called blocking diodes. For what it's worth, my (old) Shell Solar 100W panels have blocking, but not bypass diodes.
__________________

__________________
Paul Elliott, S/V VALIS - Pacific Seacraft 44 #16 - Friday Harbor, WA
www.sailvalis.com
Paul Elliott is offline   Reply With Quote
Reply

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Goin' cheap: C-Map chip for Charleston to Jacksonville... bstreep Classifieds Archive 12 25-12-2008 22:17
Gadfly II is goin' cruisin...! StevenPalmer51 Meets & Greets 4 28-04-2007 04:53
Goin from power to sail bigjoe Meets & Greets 25 11-04-2007 10:26
PLAYSTATION goin' hard cat man do Multihull Sailboats 5 30-12-2006 07:23
How's it goin' eh? Ferg Meets & Greets 15 29-05-2006 08:28



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 02:54.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.