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Go Back   SailNet Community > General Interest > General Discussion (sailing related) > I Need Ideas
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Thread: I Need Ideas Reply to Thread
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Topic Review (Newest First)
04-27-2013 12:49 PM
JonEisberg
Re: I Need Ideas

Quote:
Originally Posted by TQA View Post
Do you go out sailing with that solar panel mount? What windspeed do you think it could cope with.

The leverage on the base would be considerable in any sort of a blow and seaway.
No, certainly not... The longer poles I only use at anchor, when I might want to keep them as clear of the cockpit as much as possible... I've probably had them up at this height in as much as 25 knots or so at anchor, no problem... At that point, I'd likely have them positioned horizontally, and the wind generator would be doing most of the work, anyway...



Whenever I'm using them underway (which is not typical, for me), I definitely keep them lower, as pictured earlier... Again, never a problem, but if the conditions begin to get sporty, they definitely get stowed...



Agree with your comments about a water generator, one of my favorite pieces of gear, I'm mystified why they aren't more popular...
04-27-2013 12:29 PM
MedSailor
Re: I Need Ideas

Quote:
Originally Posted by JonEisberg View Post
I'd think twice about that, you might really come to regret it...

I don't really see how it would be feasible on your ketch rig... Do you have in-mast furling on the mizzen? Otherwise, how would you reef or flake it?



A far better solution for a boat such as yours, IMHO, is a rail-mounted setup similar to this...

[/Quote]

Thanks John for your thoughts. The idea of the rigid bimini is definitely in the past-tense of being considered. But it was once floating around in my grey matter. Having sailed on some boat with "retractable" biminis that were so difficult to retract that they never were. I like to obsess about sail-trim and not being able to see the main is a deal-breaker in my book.

For KnotHead I was adding to the brainstorm. Many cruisers use an arch, and if positioned far enough back you can still see forward and under it to see the main. Agreed though about it being too big and adding extra windage.

I like the rail mounted "wings" in your second photo. Might work well on the rails I have on the sides of my cockpit acting as lee cloths underway and getting more direct light at anchor when flipped up...

MedSailor
04-27-2013 12:24 PM
TQA
Re: I Need Ideas

In answer to the original Q I would

put the radar on the mast.

Hang the wind generator in the rigging. This has the benefit of reducing the transmitted noise and vibration. If the OP makes regular passages off shore I would suggest he buy one that has a towed option. I was very pleased with the Ampair Aquair on my last boat but that is quite a few years ago.

Solar panels need to be mounted in a way that they avoid being shaded and can be tilted to follow the sun. On my boat I have a rear arch with 400 w and the panels can be tilted fore and aft only. I am happy to make passage with them up but would dismount them if a hurricane was threatening and I could not run. Of all the options I have seen for mounts I think an arch is the way to go. Minimal shading and allows the panels to be moved to follow the sun. A well made arch is strong enough to cope with high winds and seas.

However I have seen people mount them on the lifelines and allow them to move then just propping them up with different length sticks to follow the sun.

The crazy gang mount them on the coachroof directly under the boom or build an arch with the radar and wind generator mounted above the panels.
04-27-2013 11:53 AM
TQA
Re: I Need Ideas

Quote:
Originally Posted by JonEisberg View Post
Those are 35 watt panels, I have a third that lives permanently under the boom, on top of the sea hood... It's often shaded, however, so generally doesn't contribute much...

You really want some ability to articulate the panels, the dividends that can pay are huge... Lots of cruisers spending their first winter in the Bahamas, for example, are surprised how ineffective permanently mounted horizontal panels can be, for much of the day...

I used these from Magma, primarily because they're stainless...



Here's another view, lots of wide angle distortion in this pic, the height of the pole is exaggerated a bit, I usually use a shorter extension...






I use these connectors from Aqua Signal for my solar, wind, and water generator... You have to keep an eye on them, but they've performed very well over the years...



If you're doing solar, I think you definitely want to invest in an MPPT controller, such as the Solar Boost from Blue Sky... Well worth it, IMHO...

Blue Sky Energy Inc. | Solar Boost 2000E
Do you go out sailing with that solar panel mount? What windspeed do you think it could cope with.

The leverage on the base would be considerable in any sort of a blow and seaway.
04-27-2013 11:06 AM
JonEisberg
Re: I Need Ideas

Quote:
Originally Posted by knothead View Post
I'm going through the photo's on the yahoo site. I don't want to say anything negative about anyone's boat, and I hope that no one takes offense, but this look is what I'm hoping to avoid.



I think that this setup doesn't do the boat justice from a purely aesthetic standpoint.

I feel bad for posting this.
UFB... Poor Lyle Hess must be turning over in his grave...

Boggles the mind, that anyone would so go to such lengths to spoil the wonderful sailing characteristics of such a boat... Not to mention, he seems really determined to lose his dinghy - or perhaps the entire contraption - if one were to assume he might actually sail the boat with it in that position...
04-27-2013 10:54 AM
JonEisberg
Re: I Need Ideas

Quote:
Originally Posted by MedSailor View Post
How about incorporating solar panels into a rigid (non-retractable) Bimini? I've considered this for my boat.
I'd think twice about that, you might really come to regret it...

I don't really see how it would be feasible on your ketch rig... Do you have in-mast furling on the mizzen? Otherwise, how would you reef or flake it?

I've run a couple of boats lately that had arch/permanently rigged biminis spanning the cockpit... Perhaps it's just me, but I can't stand being able to look up at the sails and rig at a glance from the helm, and always having to look out from UNDER some of these contraptions, especially at night... And, covering a bimini with panels, you pretty much eliminate the possibility of having one of those generally worthless 'windows' through which one attempts to sight the sails while underway... A simple bimini is one thing, can always be stowed when not needed - but making it such a permanent fixture, is a whole different ballgame that's only gonna degrade the performance of your boat, and make it more more difficult to sail well...

Also, if you're thinking of a large array, consider the downside of adding all that WINDAGE, that high up... this picture speaks a thousand words, regarding the risks of such massive, permanently installed arrays...



A far better solution for a boat such as yours, IMHO, is a rail-mounted setup similar to this...

04-27-2013 09:05 AM
krisscross
Re: I Need Ideas

Quote:
Originally Posted by Captainmeme View Post
I think you can coat the connector pins and sockets with silicon grease. We manufacture outdoor equipment with an Ethernet connector and use Nyogel to coat the contacts.
Wouldn't it have to be some special grease so that it does not impede the flow of electricity? Regular silicone would likely act as an insulator. I was thinking of using the gel that is made for protecting car battery terminals/clamp joints. That is similar to Nyogel.
04-27-2013 08:26 AM
fryewe
Re: I Need Ideas

Greg Delezynski on Guenevere mounts solar panels on pin rails on his shrouds as shown in this link: Guenevere's Solar panel addition. Only uses them in port. Also has amorphous flexible panels that live on the roof of the cabin for use underway and to augment in port electrical needs.
04-27-2013 12:31 AM
bljones
Re: I Need Ideas

davits:


and a pole for radar and wind genny.
04-26-2013 11:50 PM
MedSailor
Re: I Need Ideas

How about incorporating solar panels into a rigid (non-retractable) Bimini? I've considered this for my boat.

Flexible solar panels also open up a lot of options. Use them as lee cloths. There are also adhesive thin-film solar strips that could look like a racing stripe when attached to the hull.

MedSailor
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