Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 07-04-2015, 17:33   #61
Registered User

Join Date: Jan 2015
Location: SF Bay and Jacksonville FL
Boat: Macgregor 26M in SF bay, Bayliner 175BR in JAX FL
Posts: 40
Re: Is there interest in bi-facial high wattage panels?

Spec of MxB290SL

Sent from my SAMSUNG-SM-N900A using Cruisers Sailing Forum mobile app
Attached Thumbnails
Click image for larger version

Name:	1428449589238.jpg
Views:	118
Size:	107.1 KB
ID:	100107  
__________________

__________________
jbpatents is offline   Reply With Quote
Old 07-04-2015, 18:00   #62
Registered User

Join Date: Jul 2013
Location: San Diego, CA
Posts: 3,157
Re: Is there interest in bi-facial high wattage panels?

How much does the mounting method affect the backside power boost? I notice in that spec sheet it lists 10% boost and 20% boost and a recommended mounting method with 2 rails under the panel.

If one could mount these with no rails underneath, would they see 20% boost under ideal conditions?
__________________

__________________
socaldmax is offline   Reply With Quote
Old 07-04-2015, 18:24   #63
Registered User

Join Date: Jul 2014
Posts: 324
Re: Is there interest in bi-facial high wattage panels?

@ jbpatents,

What is palet load cost per watt?
What kind of warrenty do your panels come with ?



All the Best
__________________
Arthur Garfield is offline   Reply With Quote
Old 07-04-2015, 23:15   #64
Registered User

Join Date: Jan 2015
Location: SF Bay and Jacksonville FL
Boat: Macgregor 26M in SF bay, Bayliner 175BR in JAX FL
Posts: 40
Re: Is there interest in bi-facial high wattage panels?

Socaldemax, for bi-facial it would be best not to mount with rail underneath. It is difficult to do for large installations, but I think will be easier to design for boats. The boost would really depend on the conditions - what is under the panel and how much it reflects.

Although water is generally considered to have low albedo, at the light wavelengths water is smooth and the reflection is specular. Consequently, bi-facial panels should get very good boost form specular reflection from the water, especially at high angles (early morning and at evening) when the panels needs it the most. This is just my educated guess, I have not tested any of this. So take it with a grain of salt, or a drop of salt water.

Arthur, per my previous post, I can sell the MxB290SL I have for $1.20/watt. If you are talking about a large installation the price would go down, but those will be MxB300SL, as we don't make the 290 right now. What I have are some left overs.

Here's a link to the warranty, which is backed by MunicRe.

Warranty
__________________
jbpatents is offline   Reply With Quote
Old 07-04-2015, 23:35   #65
Registered User

Join Date: Jul 2013
Location: San Diego, CA
Posts: 3,157
Re: Is there interest in bi-facial high wattage panels?

Great info! Those panels look like a great way to go! I'm not in the market yet, but I hope some cruisers do get to take advantage of your very generous offer and get some solar panels installed soon!
__________________
socaldmax is offline   Reply With Quote
Old 07-04-2015, 23:48   #66
Registered User

Join Date: May 2010
Posts: 666
Re: Is there interest in bi-facial high wattage panels?

what about flexis glued to clear mylar in a triangle shape,separated by flaking creases and then hoisted up the mast? Now we're cooking with gas, sorry sailing with solar.
100 square metres at 200 w a square metre collecting on both sides. 20 kw for an average of 6 hours a day. That's good to air condition the boat with the batteries only.
__________________
dlymn is offline   Reply With Quote
Old 07-04-2015, 23:54   #67
Registered User

Join Date: Jul 2013
Location: San Diego, CA
Posts: 3,157
Re: Is there interest in bi-facial high wattage panels?

Quote:
Originally Posted by dlymn View Post
what about flexis glued to clear mylar in a triangle shape,separated by flaking creases and then hoisted up the mast? Now we're cooking with gas, sorry sailing with solar.
100 square metres at 200 w a square metre collecting on both sides. 20 kw for an average of 6 hours a day. That's good to air condition the boat with the batteries only.
I could envision that working with flexible PC or similar backing to prevent the interconnecting junctions from cracking/breaking. It would have to be roller furling, preferably at the boom in a larger than usual circumference for longevity, I don't think you want to roll it too tight.

Whoever gets this dialed in could end up very rich!
__________________
socaldmax is offline   Reply With Quote
Old 08-04-2015, 00:28   #68
Registered User

Join Date: May 2010
Posts: 666
Re: Is there interest in bi-facial high wattage panels?

Looks like we're onto something. Did a search for roll up solar and there's plenty of panels that could roll up. some are quite long and could easily run along the boom or even lifelines.
__________________
dlymn is offline   Reply With Quote
Old 08-04-2015, 08:01   #69
Registered User

Join Date: Jul 2013
Location: San Diego, CA
Posts: 3,157
Re: Is there interest in bi-facial high wattage panels?

Quote:
Originally Posted by dlymn View Post
Looks like we're onto something. Did a search for roll up solar and there's plenty of panels that could roll up. some are quite long and could easily run along the boom or even lifelines.
I'm very interested, but let's start a new thread, I don't want to hijack this great thread.
__________________
socaldmax is offline   Reply With Quote
Old 13-10-2015, 17:05   #70
Registered User

Join Date: Oct 2015
Posts: 1
Re: Is there interest in bi-facial high wattage panels?

Quote:
Originally Posted by jbpatents View Post
Spec of MxB290SL
I'm buying four GxB300's for my house (I think that's the minimum order
at CivicSolar | Solar Panels - Photovoltaic Cells - Solar Power - Inverter - Charge Controller - Battery ).

Do you happen to know how symmetric the front and back are?
i.e. if I mount them vertically facing east and west, with the front
facing west, how much lower will the morning output be than the evening output?
__________________

__________________
DanKegel is offline   Reply With Quote
Reply

Tags
panels

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
One of those hey there, hi there, ho there posts Noreasta Meets & Greets 13 25-09-2013 12:44
double the inverter double the wattage? drousy88 Electrical: Batteries, Generators & Solar 21 27-03-2013 09:26
Inverter Draw is it relative to the appliance using it or the wattage of the inverter felixqld66 Electrical: Batteries, Generators & Solar 5 06-06-2011 06:50
Series Wiring of Different-Wattage Solar Panels? Beausoleil Electrical: Batteries, Generators & Solar 8 24-11-2009 06:51
Is there much interest in your area in the upcoming Olympics sailing competition? Lightfin General Sailing Forum 6 16-08-2008 20:05



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 20:52.


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.