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39 Yellowfin rehab/restoration project.

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39 Yellowfin rehab/restoration project.

Old 11-12-2018, 01:02 PM
  #41  
pas
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I am also not a fan of the Czone, nothing more annoying than having to press the screen seven times to turn something on. Although I guess having a system failure is more annoying!

I have these Airpax circuit breaker switches on my boat, they are aircraft/military grade and practically indestructible. In case you were looking for toggle options. Had the boat 8 years or so now not one issue with these.

Custom Marine Services, Quick Source, Airpax Circuit Breakers, Series APGN, UPGN, Waterproof, Aircraft, Marine
http://cmsquick.com/catalogs/APGN.pdf
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Old 11-12-2018, 01:36 PM
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Originally Posted by pas View Post
I am also not a fan of the Czone, nothing more annoying than having to press the screen seven times to turn something on. Although I guess having a system failure is more annoying!

I have these Airpax circuit breaker switches on my boat, they are aircraft/military grade and practically indestructible. In case you were looking for toggle options. Had the boat 8 years or so now not one issue with these.

Custom Marine Services, Quick Source, Airpax Circuit Breakers, Series APGN, UPGN, Waterproof, Aircraft, Marine
http://cmsquick.com/catalogs/APGN.pdf
Those are exactly what I am specifying and I just need to figure out labeling back lighting and indication
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Old 11-12-2018, 01:40 PM
  #43  
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Originally Posted by CMEBoston View Post

Those are exactly what I am specifying and I just need to figure out labeling back lighting and indication
Nice boat! Maybe reach out to New Wire Marine or International Marine for suggestions. International made me a switch panel custom to what I wanted and they were very knowledgeable and helpful. I would do exactly as you are doing. I do relaying and protection for a living in the utility industry. I prefer things simple and easy to troubleshoot. Aircraft or toggle switches with LED indicators is simple and robust. It can also be troubleshot very easily, even in the dark on a boat while fishing.
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Old 11-12-2018, 02:15 PM
  #44  
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Geat thread and the one thsing THT teaches me is I dont know everything: to wit- C Zone- never heard of it- I know chines, deadrise, aerolift, hydrodynamic lift... 12v....

Any way keeo it up and good luck.... I love Yellowfins too.....
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Old 11-12-2018, 02:34 PM
  #45  
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Originally Posted by avalonandl View Post
Geat thread and the one thsing THT teaches me is I dont know everything: to wit- C Zone- never heard of it- I know chines, deadrise, aerolift, hydrodynamic lift... 12v....

Any way keeo it up and good luck.... I love Yellowfins too.....
it’s a great solution for many people and especially useful on multi station boats and yachts... overkill on CC IMHO
Marine | CZone
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Old 11-12-2018, 02:51 PM
  #46  
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We've had 1 Airpax fail on the 40' seahunter in 12 years...great choice to switch up too.

Interested in what battery setup you plan on doing for this boat? We have (4) with (2) acting as house batteries ((the centers))
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Old 11-12-2018, 03:07 PM
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Originally Posted by Captllama View Post
We've had 1 Airpax fail on the 40' seahunter in 12 years...great choice to switch up too.

Interested in what battery setup you plan on doing for this boat? We have (4) with (2) acting as house batteries ((the centers))
we are going with a minimum of 3 31 AGM house batteries, probably 4. the plan is to move the 4 starting batteries to a custom shelf above the leaningpost livewell (well 3 there 1 between livewell and side of console) the boat had 2 group 31 house batteries but they were on 2 separate switches, one was dedicated to the 3 amplifiers (IIRC this boat has 16-18 speakers total) and one to run the rest of the boat.
the electrical load is very considerable
Simrad system 40A nominal 62 max
DC could see up to 100A load at night with full livewells and tuna tubes with pitch baits going
plus as of now, 3 6 Channel amplifiers with plans for another

that is quite a lot to ask of a pair of group 31s

I have 2 gr 31s in my boat i get 3 hours on a good day tuna fishing with my pumps, stereo and electronics on, these boats almost need generators like sportfish boats do.
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Old 11-12-2018, 03:18 PM
  #48  
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I think you should consider lithium batteries, assuming there is room in the budget.
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Old 11-12-2018, 04:20 PM
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Originally Posted by pas View Post
I think you should consider lithium batteries, assuming there is room in the budget.
interesting idea, i dont know they will hold up in the conditions this boat is put through though.. ill have to put some research into it. the whole idea behind this project is simplicity, ruggedness and the ability to troubleshoot/repair if needed quickly. the customer only gets so many weekends a season we need to make them count! besides weight helps ride :D
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Old 11-12-2018, 05:59 PM
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Originally Posted by CMEBoston View Post
we are going with a minimum of 3 31 AGM house batteries, probably 4. the plan is to move the 4 starting batteries to a custom shelf above the leaningpost livewell (well 3 there 1 between livewell and side of console) the boat had 2 group 31 house batteries but they were on 2 separate switches, one was dedicated to the 3 amplifiers (IIRC this boat has 16-18 speakers total) and one to run the rest of the boat.
the electrical load is very considerable
Simrad system 40A nominal 62 max
DC could see up to 100A load at night with full livewells and tuna tubes with pitch baits going
plus as of now, 3 6 Channel amplifiers with plans for another

that is quite a lot to ask of a pair of group 31s

I have 2 gr 31s in my boat i get 3 hours on a good day tuna fishing with my pumps, stereo and electronics on, these boats almost need generators like sportfish boats do.

good plan on the batteries, I am in the same boat, have a 42 and it will kill the two group 31s in no time .First set of batteries made it one year before they crapped out. I am about to go the same route and add two more but need to do a shelf or something also.

seen one with the pc1800 odysseys in it, he had 3 of them but that's some$$ and Heavy

Last edited by jacack; 11-12-2018 at 06:14 PM.
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Old 11-12-2018, 06:39 PM
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For as much as a new 39 costs, you would think someone would get more than 3 years out of it before having to undergo a major refit.

That being said though, you're doing it right, I love the ground up approach, I'm going through exactly that on a similar size cc hull. I'm going from stern to bow and I just got through the engines... long way to go.
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Old 11-12-2018, 07:25 PM
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Originally Posted by mstyle8517 View Post
For as much as a new 39 costs, you would think someone would get more than 3 years out of it before having to undergo a major refit.

That being said though, you're doing it right, I love the ground up approach, I'm going through exactly that on a similar size cc hull. I'm going from stern to bow and I just got through the engines... long way to go.
you can only put them through so much without taking care of them. that's any boat.
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Old 11-12-2018, 07:27 PM
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Why not go to two 8D sized batteries and be done with it? Why do folks stay with numerous smaller
batteries?
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Old 11-13-2018, 04:39 AM
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Originally Posted by TheBigWhit View Post
Why not go to two 8D sized batteries and be done with it? Why do folks stay with numerous smaller
batteries?
real estate And capacity. We can only fit 1 8d in that space, that would give us about 250 AH of capacity. a quality 31 gives up around 100 AH ea. 3 in parallel gives us more Capacity per sq inch. 4 would be ideal
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Old 11-13-2018, 05:14 AM
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Sounds like it’s time to consider an alternator to battery charger or an inverter charger?

https://sterling-power.com/products/...ers-up-to-130a


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Old 11-13-2018, 05:38 AM
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Originally Posted by OffshoreApparel.com View Post
Sounds like it’s time to consider an alternator to battery charger or an inverter charger?

https://sterling-power.com/products/...ers-up-to-130a


.
interesting concept, but it wont help with the simplistic approach we are aiming for. especially considering we have quads.. Im not against changing the charging system setup ( current system is 4 VSRs tying the whole system together with running engines) isolation would be a better option for battery life but in the big scheme of things, batteries are cheap.
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Old 11-13-2018, 09:47 AM
  #57  
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So here is a comparison of the AGM's I had in my boat and the Lithium LTO batteries I replaced them with.

AGM Specs:
2 XS Power D3100 110AH 77 lbs each
2 Sears (Odyssey) group 31m 100AH 78 lbs each
4 Sears (Odyssey) group 34m 68AH 50 lbs each
Totals: 692 AH and 510 lbs

LTO
8 Toshiba Scib LTO batteries modified to a 15.6v configuration 40AH 15 lbs each
Totals: 320 AH and 120 lbs

On paper the AGM's have more than double the capacity but in reality the LTO cells hold up much much better to the loads than the AGM. The lead acid chemistry is 12.8v for a new battery, these are still is very good shape and rest at around 12.7v. So they can deliver current from 12.7 down to 11.5 or 11 if you don't care about the lifespan.

The LTO cells fully charged voltage is 15.6, my charging system is still a 14.1v system so that is as high as they are getting currently (some alternator modifications are pending to charge up to 15.6v) they can deliver current from 14.1 down to 12. So when you turn off the key and start running off batteries the lithium cells start at 14.1 the AGM drop right back to 12.7 and usually lower with a load. In my experience so far where I would regularly see mid 11's at the end of a day of hanging out at the beach or sandbar with the AGM's I rarely get below 13v with the LTO cells.

If you are going to buy purpose built marine Lithium batteries you are going to get LiFePo chemistry that will rest at 14.5 and can be run down to 11. A group 31 equivalent will cost $1300, weigh 30lbs and never need replacing. On paper they are the same 100AH but they will certainly deliver more power than an equivalent AGM.
https://relionbattery.com/products/lithium/rb100-dhp
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Old 11-13-2018, 09:50 AM
  #58  
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Originally Posted by CMEBoston View Post
interesting idea, i dont know they will hold up in the conditions this boat is put through though.. ill have to put some research into it. the whole idea behind this project is simplicity, ruggedness and the ability to troubleshoot/repair if needed quickly. the customer only gets so many weekends a season we need to make them count! besides weight helps ride :D
They are less fragile than an AGM battery, in reality anything you could do with the boat to break even an AGM battery would most likely cause damage to the boat also.
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Old 11-13-2018, 09:52 AM
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these guys did the switch panel on my Jarrett Bay. we fish our boat pretty hard and these have taken some abuse without failing.

https://newwiremarine.com/
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Old 11-13-2018, 04:14 PM
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Took the rainy day to lay out my dash proposal for the customers approval/changes. My machinist is out of town he would call this a “treasure map”

the plan is a flush dash like the boat had before but we will probably use 2 pieces for rigidity. The old panel was just a beauty ring and the displays were built out with double sided tape.

Our plan is a dark black back and a smoked flush plate. The rear plate will be cut to the right depth for s flush front.
We also want to experiment with backlighting behind the switch panel engraving for a soft lit label at night. 12v LEDs will indicate the circuits condition. Switches will be airpax toggle breakers with weatherproof boots.

ive also attached a pic or the previous dash setup



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