Don,

Welcome to the Beta family — love the engine. 

As a former C&C 34 (Enterprise NCC-1701-A) owner, I think your best bet is some 
kind of solar panel rail mount on your stern pulpit. 

Something like this: 
http://www.cruisersforum.com/forums/attachment.php?attachmentid=62567&d=1371267553
 
<http://www.cruisersforum.com/forums/attachment.php?attachmentid=62567&d=1371267553>
 or http://www.cbcamerica.com/microsite/misc/image/Installations/Tilt-Mount.png 
<http://www.cbcamerica.com/microsite/misc/image/Installations/Tilt-Mount.png> 

One the stern rail, you’ll have less issues with shadows from the boom or other 
objects on board. Once there’s a shadow on your solar panels, their efficiency 
drops drastically. 

As others mentioned, the key is more batteries, meaning more amp hours of 
storage. But, I know space is limited on a 34. I’ve seen people add a shelf n 
the engine access locker on the starboard side and put a few batteries there, 
but maybe you did that already when you added the fridge. 

We installed a new fridge on this Enterprise about two months ago — at normal 
running, it will draw about 2 amps. When working to make the box cooler, it 
kicks up to almost 7 amps. When my house batteries (four Trojan flooded gold 
cart 6Vs in parallel and in series) are at 100%, according to my Blue Sea 
batteries monitoring system, it looks like I can go for a few days before they 
reach 50% and the alarm goes off — not that I’ve tried it — yet.  My little 
flexible 50W panel on my companionway hatch does a great job of keeping things 
topped off when I’m not on board.

On a sad note — the wife and I brought the Enterprise to the yard yesterday and 
winterized the systems. She gets hauled in the next day or two, ending the 2018 
season. Fingers crossed for a warm Spring and a great 2019. 

All the best,

Edd


Edd M. Schillay
Starship Enterprise
C&C 37+ | Sail No: NCC-1701-B
City Island, NY 
Starship Enterprise's Captain's Log <http://enterpriseb.blogspot.com/>






On Oct 13, 2018, at 1:42 PM, DON JONSSON via CnC-List <[email protected]> 
wrote:

Hi All

Last year after putting in a new Beta engine with a larger alternator (110 amp) 
we added an additional battery, a battery monitor, and to use all that power, a 
fridge.  (Of interest, and not the point of this email, is we went through two 
alternators on the boat last summer both on warranty.  Doesn't bode well.  We 
did not put in a smart regulator as it would void the warranty.  Guess that was 
a good thing.  Two mechanics have gone through the boat and all wiring is good. 
 They claim manufacturing default in both alternators.   Hmmm.)

The fridge is a fantastic addition especially when you are up north with no 
stores to buy ice, or much food for that matter.   BUT, as you all know it 
takes a lot of power.  Which gets me to the questions.  Easy one first.

1.  We have added some new LED reading light fixtures but still have a few more 
old incandescent lights where we would like to keep the fixtures.  You can get 
replacement LED bulbs that range in price from a couple of dollars to $15.   I 
read that cheaper ones don't deal with variations in voltage very well and you 
should spend more money.  Does anyone have experience and recommendations.

2. The real solution, we think, is solar panels.  But how much do they really 
help and where to put them on a 34 foot sailboat.  It seems all locations come 
with a compromise.   We are considering:

A: On top of the dodger, but the boom will always be an issue.  Especially 
since we don't have a bimini we use the boom for supporting our awning that we 
put up on hot sunny days.  Yes we occasionally get them up on the BC coast and 
blocking the sun is mandatory.

B: Get a bimini and mount them on it.  But this gets us back to the sunshine 
issue.  Lots of days it isn't that warm and you want the sun on you.  A Bimini 
with solar panels is not that easy to fold out of the way.  Also it isn't cheap.

C: Hang them off the life lines or rails at the back of the boat with a support 
that allows you to set them flat when at anchor.  But we occasionally carry 
bikes back there and we couldn't have both at the same time.  Also looks a 
little clunky.

D:  Leave them as portable and set them out when at anchor.  But then it is a 
pain and you don't do it unless you are sitting for a while and you have all 
the wire to deal with, etc.  And they aren't helping much under sail.

So does anyone have a recommendation as to what they have done and how it 
works.  Also how many amp hours did you get on a sunny day?  What size of 
panels did you use.

I know, that like everything on a boat it is always a compromise, we are just 
trying to figure out which one to make.

Thanks for any help.

Don Jonsson
Andante, C&C 34
Victoria, BC


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