Odyssey's suck Gerry!!

Ok lets here the dirt.

I wanted to stay with a AGM style batteries.
The Odyssey's have a big crank rating.
I noticed Bob from Seaport inn has them on his Turbine
40 Skater Ed Mosmillers (RIP) creation.

I could literally cut the amount of batteries being used from 6
to 2.

I'm not saying they wont work for your application (I have no idea what your needs are), but Odyssey batteries are notoriously overrated regarding their CCA specs. All the AGM batteries use the same basic components and technology, so given X amount of volume/weight, don't expect one manufacturer's battery to be significantly better than another's. If you find an Optima at the same weight and size, I'd use their specs as a decent benchmark, and then shop based on price/warranty. I wouldn't pay more for a BS claimed rating and a big sticker on the side.

Edit: forgot to include this link... some good info here:
http://www.vonwentzel.net/Battery/01.Type/index.html

Great website thanks

The current configuration (no pun intended). (6 batteries total)
Two optima wired in parallel for powering the 12 volt
boat .Current draw is 2 Aeromotive 2000 fuel pumps, 2 electric radiator fans. these are the continuous loads. The 12 volt
batteries are being charged with a 130amp alternator.

Two Blue top optimas wired in series to get 24volt to spool the turbines. these get recharged via the 350amp generators on the
turbine.

Given the fact that the above configuration works. I am
safe to suggest that going to one 12 volt battery something with
a decent amp hour capacity would work on the 12volt side.
Cranking amps is really irrelevant.

On the engines.
The two optimas on each turbine are feeding 24 volt at 500amps
CCA to each turbine. Remember when we series batteries the amps divide by 2 and voltage doubles.
Some possible options would be to Drop two batteries and use a bank of two for both engines. (Cross Start). or run one 24 volt aviation battery (Vibration rating questionable in a boat). possibly maybe a forklift battery.

My objective is to simplify the setup and drop weight
Current weight is 240lbs of batteries.

Or maybe I should shut up and leave the tub alone and go for a freakin boat ride:drink:

NP, you can repay with a boat ride. :drink:



I think you're probably right regarding the 12V side... as long as it doesn't have to feed those pumps/fans for long without the 130A alternator feeding it, which I doubt that's the case. I think you'd probably be fine with half of what you have. You might try just disconnecting one of the two existing batteries (but leave it and the wiring in the boat) for a while and see how it works out.

On the 24V side, I know the weight is an issue, but I REALLY like the redundancy of having separate batteries for each side. Then again, I dont have SeaTow. :D

Honestly, you obviously have a lot more coin than I do, but if it were mine, I'd wait a couple years for the existing batteries to get closer to the end of their useful lives before I tossed/reconfigured the 24V side. But that's just me.

On the charging side of your starter generators, have you incorporated a split buss whereby you can charge both batteries or separate them ? Also can you also charge the house 12V sys ??

Yes the starter/generator of each engine is dedicated to its
own battery bank.
When spooling/starting it uses one bank (two 12 volt optimas
in series). Once started you switch to gen mode and it charges
that bank.
The other engine operates the same.

I also have a parallel switch to join the two
banks if needed. (both engines)

In example you could remove one bank flip the parallel
switch and spool/start the engine with the bank removed.

The 12 volt house power charge is supplied via the belt driven
starboard engine alternator shown somewhere in in the early pages of this mess.

no more h20
 

How much over-all weight did you remove approx. ??? - :eek:

amps & volts
 

Hey, did ya see WAR-CRY is up for bid? How about 1-24volt to start both of the engines and 2-12's "deep cycle" for the 12volt side to supply the fuel pumps and cooling fans - draw down and also in a pinch could be wired in series to start the engines ! :drink: remember, this is I'CE cream for you dude see ya in K.W.

port side
 

Have some pics of the other side set up too ? and how about another shot of the fans and the related plumbing and induction :wuerg019:

I run in narragansett bay quite often...Where abouts do you run? I would like to take a peak at the boat sometime next summer...if you dont mind of course... :drink:

bristol prov. fall river neport block.
-Mike

A guess would be 400lbs Remember it was filled with water.

Correct with water,not with air like my head
-Mike

that is cool.....

here is dexters version

http://inlinethumb55.webshots.com/44...600x600Q85.jpg

Saw the video of your run at the shootout. Great Job Saxman!

brake controls
 

SAX how r ya ! I have 1on the trl., but G has 2 mounted in the hull. -- :cool:

Dude, u need air under your hull not in your head as u have confessed too :food-smiley-007::food-smiley-007::food-smiley-007::wuerg019::fish:

Nice loooooooookin units ! - :drink:

they looked to be a better unit.

Both units produce 1600 psi.

When they are wired We use the breakaway circuitry.
in its intended application they are wired to a electric brake controller.

?
 

Can you please explain in more detail as to the diff. of the units and how you prefer one or the other because of it's particular wiring diagram for the road VS boat inside the hull application.

10-4 no brake controller, sorry short-stop

Hey Gerry, is the "ark" covered in snow yet?

I just fire the turbines up and and melts it away.


Now this is a chiller:drink: How big can you make these?
I got a brainstorm.

http://inlinethumb50.webshots.com/16...600x600Q85.jpg

"I just fire up the turbines and it melts away!" lol, that sounds like a good 2 in 1 package: snow blower and de-icer!

Thanks for the compliments on the cooler. What size core were you looking for?

Jason,

20 by 24 would work

What is the fin count per inch?

16? or 12?

Pm Jason ,AKA SAXMAN The new "Coolerman"

Hey any of you turbine guys want to help me put the beatdown on this phaggot? My name there is dieseldog00.

http://www.youtube.com/watch?v=e4f4D...reply_received

Look at you Cat getting all fired up:drink:

2006 thousand islands poker run
Extreme Exhibit had a hard time trying to ketch MyWay2

Imagine what the weight is on that 50.

25 fins per inch. They are very thin, but they have been tempered properly as well as have proper structual support. It is actually quite strong.

Also, the fins are not flat.... :drink:

Extreme Xhibit had bigger motors than goldrush, and it had a narrower cockpit as well. Ran a best of 191 from a GPS pic I saw posted.

Hey the phaggot pizzed me off so I had to represent. That'll teach that phaggot not to mess with a ol dog.

I don't doubt he had a hard time catching a turbine boat. Think about four monster big blocks at say 1400lbs each, then four 6 drives at over 500lbs each that's almost four tons on the last 10 feet of the boat. How did Xhibit get on plane without sinking lol.

The weight I would say anywhere from 17,000-20,000lbs.

G, lets get the tub out early ! Boston Harbor looked like a mil-pond today and the sun was high in the sky. what daya think ?

That was the year MyWay blew a drive, changed it, and still beat XX back to the final stop.
BTW, any pics of the new MyWay?

G, ANY NEWS on the Lithuim batteries ? pricing and weight ?

These batteries are amazing.

36lbs one battery will run the whole boat.

I,m going to run a dc to dc converter for the 12 volt side.

I,m running six optimas at 39lbs each.

http://youtu.be/Xp2ivKqK1vI

Going to need a 12 converter to run 80 amps continuous.

Start one turbine with the lithonics battery then turn on
the start generator on the running turbine. The generator
will supply 350amps 24v. Lithonics claims there battery wont need it.

Gerry,

A couple of questions... Are there any special charging requirements? How will they hold up to the typical offshore abuse? Life span?

Just some random thoughts on what I know about LIB. Connecting several small batteries in parallel is more typically more efficient and effective than connecting a single larger battery. I believe these batteries require some type of battery management system to keep them stable and consistant. They usually have special charging requirements and degrade over time (taking less and less of a charge each time). It doesn't take much to damage them and any damage is irreversable. As I recall, they are generally fragile and often need a protective circuit to limit peak voltages.

I don't know a lot about these batteries, but you may want to look into these potential issues before dropping a couple of grand on a LIB, you haven't already.

Keep us posted with what you find!

Great thoughts! I was curious on the charge rates myself
I copy and pasted your questions to the senior engineer and here is his response.

Hi Gerry,
A lead-acid battery is made of small, fragile lead conduits that break under boating stresses. Take a look at how our batteriesa are made inside! They are tested to 150 g's on X, Y and Z axis. No lead acid battery can pass the DOT test for lithium.

Charging: any alternator build after 2005 is acceptable for lithium.

Recharging and Life: see attached cycle-life curve....our batteries do NOT start wearing out until thousands of FULL (not partial) discharge cycles are realized.

All we can do is give the facts, speak with data, and let you make your own mind up. At the end of the day, this is what it's all about...
http://www.youtube.com/watch?v=Xp2ivKqK1vI