Thanks for the feedback Carter.
As for the (expensive lightweight Solbianflex) solar panels, I don't expect to run on the panels only. Not enough sun around here... But my battery range should be enough to get to a charging station in time (we have many). And when going slowly (restricted to 3-4 knots) through the Amsterdam or French canals for instance, panels should do fine. I have a portable Honda generator as a backup.
Would a twin screw setup not be a lot less efficient than one pod with a large prop? Are you worried about the pod not being watertight (seals)?
--- In electricboats@yahoogroups.com, Carter Quillen <twowheelinguy@...> wrote:
>
> First thing: Awesome concept! And I like the basic design of the vessel.
> �
> But you don't have enough solar collection area. Cover every square inch you can find and then some with the highest efficiency solar cells you can find if you want to push that boat with solar energy. If you plan on making it a diesel hybrid with a token solar panel then you're fine�but if you really want to get around on the Sun, you'll need�a lot more solar panels.
> �
> Also, I'd forget the pod and go twin screw with inboard electric motors. Will cost less, give you more redundancy, and perform better. That's just my professional opinion.
> �
> Cool project, go for it!
> �
> Carter
> www.archemedesproject.blogspot.com
>
> From: Yme Bosma <mail@...>
> To: electricboats@yahoogroups.com
> Sent: Wednesday, March 13, 2013 3:17 PM
> Subject: [Electric Boats] New member, new electric & solar powered motorboat
>
>
>
>
> After having sold our Lagoon cruising catamaran on which we just finished a 1 year and 10.000 mile trip to the Caribbean, it is time for something different...
>
> We are now in the process of designing and building a fully electric and solar powered 33ft motorboat. Trailerable, easily maintained, minimum (air) draft, comfortable, ready for all seasons, safe at sea. She will be powered by a 10kW steerable pod, running on a 30kWh lithium battery pack and 2kWp solar panels. We are currently finishing the design, selecting the (Dutch) yard where she will be built, and finalizing the specifications with several suppliers. Hull number 1 will be ours, but I'd like to see whether there's a broader interest in this project, especially when prices of solar panels and batteries are coming down.
>
> If you have any feedback, tips or comments, I'd love to hear them! For images and more information on what we are doing, please visit http://www.arviro.com/.
>
>
>
> Basics
>
> * Length 9,99m / 32.8ft����
> * Beam 2,50m / 8.2ft����
> * Draft 0,75m / 2.5ft����
> * Air draft 1,80m / 5.9ft����
> * Headroom 2,00m / 6.5ft����
> * Weight 2700 Kg / 6000 pounds����
> * 10kW steerable pod����
> * 30kW lithium battery pack����
> * 1500Wp solar panels����
> * 1200 liter / 320 gallon water����
> * Built in 5mm / .2 inch aluminum����
> * Cruising speed: 6 knots����
> * Battery range: 50 nautical miles����
> * 100% made in Holland
>
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