Wednesday, October 28, 2015

[Electric Boats] Northstar Batteries for sale

 

I still have 5 of the original 12 Pack of the Northstar NSB 210. These are less than 1 year old and 3 are less than 6 months. I'm going LiFePo4 this winter. New they retail for $800. Get them in Solomons MD for $300 ea.

LOCAL PICKUP ONLY! Dim. Are 13"T x5"W x22"L.

 

Contact me at 703.909.0494

 

Steve in Solomons MD

 

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Tuesday, October 27, 2015

[Electric Boats] used 9kw motor and motor controllers for sale

 

I 've got 3 sets 9kw motor and motor controllers (dc144v) in  good working condition.  motor produced by Homewood.

I am going to change elec hybrid system to new yanmar engines in Dec.   anyone who wants to buy

used motor and controllers, send me an email for  enquiring  price.

thanks. 


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Saturday, October 24, 2015

[Electric Boats] My little solar boat

 
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Wednesday, October 21, 2015

RE: [Electric Boats] Re: Electric conversion

 

Ditto here…and it's been 11 ½ years since I've taken that data on my boat, but here's what I measured then:

 

Speed

Power (Pbatt)

Speed/Power (range/energy)

2.5 kt

0.69 kw

3.62 n-mi/kw-h

2.9

0.97

3.00

3.5

1.33

2.64

4.0

1.73

2.31

4.2

2.14

1.96

4.5

2.85

1.58

4.9

3.52

1.39

5.2

4.20

1.24

5.6

4.97

1.13

5.75

5.79

0.99

6.0

7.29

0.82

 

Graphically:

 

It's wiggly, and the power data assumes constant battery voltage of 36v as battery current was measured.  Speed was measured using a "knotstick".  This data taken in 2004…you can see the power roughly doubling with speed in knots.

 

Your mileage may vary-

 

-Myles

 

From: electricboats@yahoogroups.com [mailto:electricboats@yahoogroups.com]
Sent: Friday, November 20, 2015 1:39 PM
To: electricboats@yahoogroups.com
Subject: [Electric Boats] Re: Electric conversion

 

 

Quite Agree,

I've been preaching that for years, Not that anyone listens .

Eric SV Meander



---In electricboats@yahoogroups.com, <moriartybob@...> wrote :

Just a very general statement about hull speed; it takes twice the energy to motor at 6 knots vs. 5 knots on a ~33 foot LOA  (26.4 LWL) displacement sailboat. So, don't think about going hull speed (1.34 X square root of LWL in feet). Think instead about a sweet spot of around 1 X square root of LWL. This puts my boat's ideal speed under power at around 5.1 knots instead of 6.0. It's just a general guideline. I could go even further at 4 knots. What's the hurry?
Thanks to James Lambden for this concept.
Cheers,
--Bob M
Ox C&C 33-1
Jax, FL

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Re: [Electric Boats] Torqeedo Travel 801 Battery Connector Information

 

Yep, they have fooled me a few times with that one.  Click add to cart and it shows as out of stock... :(

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[Electric Boats] Re: Torqeedo Travel 801 Battery Connector Information

 

Steve et al,

There is another Yahoo group that is handy for older marine parts:

Meanwhile, I'm developing a search engine that contains only
used boat parts. It emails initial results followed by daily updates, if any.
Currently has thousands of parts from numerous sources.
The self-serve component is still in development but I have been setting up 
searches for individuals for testing purposes. Just let me know what
you are looking for. Read more at: http://www.boatusedpartsearch.com/
Both the service and the search are free.

Doug

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Tuesday, October 20, 2015

Re: [Electric Boats] Re: 31' Sailboat Conversion [2 Attachments]

 
[Attachment(s) from Bob Moriarty moriartybob@yahoo.com [electricboats] included below]

I also have a conversion project in the works with Electroprop to replace the A4 (w/V-drive) on my C&C 33-1 with a Racer model. The pic shows 3 of the 4 NorthStar 210FT Blue+ AGM batteries. The fourth is located aft, on a shelf that held the waterlift muffler. I'll have to build a transverse beam to mount the motor and it will protrude about a foot into the cabin. It's a compromise that I made very early on. V-drive conversions might seem more suited for a belt and pulley arrangement anchored on the engine stringers but I like the having (most of) the batteries where the engine once was. Right now I'm awaiting the other components from Electroprop.  

Bob M
Ox C&C 33-1
Jax, FL



On Wednesday, September 30, 2015 11:36 AM, "Dale Ball badpenny620@hotmail.com [electricboats]" <electricboats@yahoogroups.com> wrote:


 
[Attachment(s) from Dale Ball badpenny620@hotmail.com [electricboats] included below]
Its moving forward now. Got the old iron out Monday and am cleanin and paint prepping now. Getting final dimensions and $ to Electroprop so they can start building our Islander plug in package. Uber excited!! James at Electroprop is a wealth of information and has been a pleasure to work with!! image1.JPG

Sent from my iPhone

On Sep 30, 2015, at 8:04 AM, dmiller841@austin.rr.com [electricboats] <electricboats@yahoogroups.com> wrote:

 
How's It going with your project? How detailed are the installation instructions?
I have 1980 Hunter 27 with Renault 8hp diesel that is feeling it's age!

Dave Miller
Austin, Tx/Lake Travis


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Attachment(s) from Bob Moriarty moriartybob@yahoo.com [electricboats] | View attachments on the web

2 of 2 Photo(s)

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Check out the automatic photo album with 3 photo(s) from this topic.
image1.JPG image1.JPG IMG_0500.JPG

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Re: [Electric Boats] Torqeedo Travel 801 Battery Connector Information

 


Eric,


On Oct 20, 2015, at 2:47 PM, ewdysar@yahoo.com [electricboats] <electricboats@yahoogroups.com> wrote:

I have looked for that specific Travel 801 adapter (part # 1115)  for about two years and have not found one for sale in US, Europe, Asia or Australia.  If anyone knows of one for sale, I will gladly buy it.


Eric
S/V Serenity
Marina del Rey, CA


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[Electric Boats] Re: Torqeedo Travel 801 Battery Connector Information

 

I have looked for that specific Travel 801 adapter (part # 1115)  for about two years and have not found one for sale in US, Europe, Asia or Australia.  If anyone knows of one for sale, I will gladly buy it.


Eric
S/V Serenity
Marina del Rey, CA

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[Electric Boats] Re: Torqeedo Travel 801 Battery Connector Information

 

I would love to get one, anyone know where I can find one?  Torqeedo no longer carries the 801 or any of its associated parts, they've since moved onto redesigned stuff that is not compatible.

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[Electric Boats] New member, developing electric outboard

 

My company just finished the engineering prototype of our 20 kW (continuous) outboard motor. This isn't a conversion; it's a new development, with no seawater loop, and a very small upper unit (far smaller than any gas outboard). It runs at 1500 RPM with a large custom prop, so its efficiency is high, and it provides the propulsion of a 35 HP gas outboard. 


The battery packs weigh just under 100 lbs and contain 6 kWh each of li-ion batteries. These packs can be combined (working in parallel) to reach higher battery capacity for longer range.


One question I have for this group is: what hull do you think would best show the capabilities of this system, and the benefit of clean, quiet power? We're currently using a hull that rowing coaches normally use, but that's not mainstream. 


Thanks.


Andy


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