Saturday, November 17, 2018

Re: [Electric Boats] Re: New Member

 

The main use for my boat is fishing for bass on reservoirs. Our bass inhabit dense shoreline cover as well as deep off shore structure. Moving slowly while casting to specific targets is typical for this type of fishing and boat control is critical to success. My Minn Kota trolling motor communicates with the Humminbird depth finder and is capable of following specific contours, navigating routes with numerous waypoints, holding the boat on offshore waypoints and maintaining a set speed during any of those operations even in wind and current, all with minimal input from my as I continue to cast.


Thanks for the advice and I will search old messages and ask questions as I learn more about possible gains.


Tom

On November 17, 2018 at 10:03 AM "cpcanoesailor@yahoo.ca [electricboats]" <electricboats@yahoogroups.com> wrote:

 

 

Welcome Tom.

I'm curious - why not use the Ray for fishing? Is the low speed control not fine enough? Or is it too noisy? You'd gain some efficiency if you could connect all your battery capacity to the same motor, since you'd reduce Peukert losses.

There are many places to look for efficiency gains - batteries, wiring, motor controllers, propellers, drag of the hull and the motor at speed. Start searching old messages, and asking questions. But if what you have now works for you, then great - enjoy it.

 


 


 

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Posted by: THOMAS ISSERMOYER <tjisser@comcast.net>
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[Electric Boats] Re: New Member

 

Welcome Tom.

I'm curious - why not use the Ray for fishing? Is the low speed control not fine enough? Or is it too noisy? You'd gain some efficiency if you could connect all your battery capacity to the same motor, since you'd reduce Peukert losses.

There are many places to look for efficiency gains - batteries, wiring, motor controllers, propellers, drag of the hull and the motor at speed. Start searching old messages, and asking questions. But if what you have now works for you, then great - enjoy it.

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Posted by: cpcanoesailor@yahoo.ca
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Wednesday, November 14, 2018

[Electric Boats] New Member

 

My name is Tom Issermoyer and I am a new member. I currently own an electric boat I use to fish the Baltimore Maryland water supply reservoirs with access restricted to electric boats only. I bought a used 15 ft jon boat, and purchased a heavy trailer to accommodate the weight of an electric boat. I built a flat floor, fishing decks and battery covers from aluminum. I painted the exposed aluminum with non-skid textured paint. I installed seats, bilge pump, Minn Kota trolling motor, two Humminbird depth finders and a Ray Electric Outboard Motor (Ray).


The Ray is a 48 volt tiller model built around 2005. I use 8 - 6 volt batteries Deka batteries for the Ray and two additional 12 volt AGM batteries to power the trolling motor and depth finders. I joined this group so I can learn more about electric boating.  Many Baltimore electric boaters are spending over $20,000 increasing motor size and using lithium batteries to increase speed and range. I hope to maximize range and speed of my boat without spending large amounts of money.


Tom Issermoyer

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Posted by: THOMAS ISSERMOYER <tjisser@comcast.net>
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Sunday, November 11, 2018

Re: [Electric Boats] 70 volt Solar panels

 

My 20 year old amorphous silicon PV panels made by BP are 93v 1/2amp (46 Watts nominal) deteriorated to around 38-40watts at best, 48 inch by 26 inch weak panels

Sent from my iPhone

On Nov 11, 2018, at 3:12 PM, 'Peter Beckett' pcbeckett@gmail.com [electricboats] <electricboats@yahoogroups.com> wrote:

 

I would be very interested in hearing where you found these panels.  The highest voltage I have found is around 35 volts per panel..

Rgds  Peter

 

From: electricboats@yahoogroups.com <electricboats@yahoogroups.com>
Sent: Wednesday, November 7, 2018 11:35 AM
To: electricboats@yahoogroups.com
Subject: [Electric Boats] 70 volt Solar panels

 

 

I just ran across  70 v - 100 watt solar panels at $65 ea. Do 70 volt panels make sense on a boat used at a lake about 6 miles across. If used with 6 nominal batteries (72 volts / 80 Amps) and a golf cart motor controller,

the motor has a typical gearbox 2.83 to 1 and a Martec folding prop 12 x 12

 

A. At full sun, does 70v (4 panels) 400 watts mean that a 36/48 volt motor with only 400 watts will try and turn full speed but with 2000 lbs hull displacement, it will max out at 400 watts going about 3 knots?

 

B Does 70v try and overheat the motor, (as described above) or is 400 watts the power that the motor is absorbing with no issues. 

 

Thanks to all for looking  -Ray

 

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RE: [Electric Boats] 70 volt Solar panels

 

I would be very interested in hearing where you found these panels.  The highest voltage I have found is around 35 volts per panel..

Rgds  Peter

 

From: electricboats@yahoogroups.com <electricboats@yahoogroups.com>
Sent: Wednesday, November 7, 2018 11:35 AM
To: electricboats@yahoogroups.com
Subject: [Electric Boats] 70 volt Solar panels

 

 

I just ran across  70 v - 100 watt solar panels at $65 ea. Do 70 volt panels make sense on a boat used at a lake about 6 miles across. If used with 6 nominal batteries (72 volts / 80 Amps) and a golf cart motor controller,

the motor has a typical gearbox 2.83 to 1 and a Martec folding prop 12 x 12

 

A. At full sun, does 70v (4 panels) 400 watts mean that a 36/48 volt motor with only 400 watts will try and turn full speed but with 2000 lbs hull displacement, it will max out at 400 watts going about 3 knots?

 

B Does 70v try and overheat the motor, (as described above) or is 400 watts the power that the motor is absorbing with no issues. 

 

Thanks to all for looking  -Ray

 

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Posted by: "Peter Beckett" <pcbeckett@gmail.com>
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