I am building an electric dinghy for the Arc and have a T-1003 that I am also trying to adapt with more solar. While Eric is right that the Torqueedo charge controller will not let you put more than 45W into the battery, however there is a way to extend your range with more solar. It's a bit cumbersome and not ideal but it will extend your range with the T-1003, (sort of).
You can get a 12Volt charger from epowermarine.com for the T-1003 that can be plugged into a standard battery bank. You can then charge the auxilary 12V battery bank with the larger solar array and use the 12V charger to continuously recharge the T-1003. Like I said, it's a bit cumbersome and less than a great solution but it's the best you're going to be able to do with that particular model.
It's too bad that Troqueedo designed the system this way because the T-1003 will push a small dingy pretty good at 250W which can easily be obtained with a lightweight solar canopy over your dink that also serves to keep you in the shade and/or out of the rain. But they did this to protect their battery and you're stuck with this limitation if you want to use this motor.
A better, albeit more expensive, solution would be to step up to the Cruise 2.0 which will let you run off an external battery so you can have as much solar on as big a battery that you can fit on your boat.
Capt. Carter
www.shipofimagination.com
On Monday, May 26, 2014 7:53 AM, "73foster@live.com [electricboats]" <electricboats@yahoogroups.com> wrote:
Here is the link to a torqueedo shop in Australia where the guy experiments and uses the electric outboards for his own personal use. A discussion about extending the range is carrying on here. http://thetorqeedoshop.com.au/range-extension-options-for-torqeedo-1003-and-ultralight/#more-1648
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Posted by: Carter Quillen <twowheelinguy@yahoo.com>
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