I have a Sevcon Gen4 controller and seeing this posts about regen I tried this on mine yesterday and got my meter to show regen of 1 amp at 5.2 knots and 2 amps at 6 knots after putting the throttle on very low. I have a 48volt system...
Rgds Peter
From: electricboats@yahoogroups.com <electricboats@yahoogroups.com>
Sent: Wednesday, July 24, 2019 10:10 AM
To: ELECTRIC BOAT GROUP <electricboats@yahoogroups.com>
Subject: Re: [Electric Boats] Sevcon Gen4 regen
Interesting I replaced the dead original controller with a Sevcon recently. I am not sure of the model but, did notice I started to see regenerative at much lower speed than the original Navonics 400 controller.
On Jul 22, 2019 10:11 PM, "lightdoesnotage@yahoo.com [electricboats]" <electricboats@yahoogroups.com> wrote:
I discovered something weird/interesting on the Thunderstruck 10kW kit with a Sevcon Gen4 controller. Our reduction is a 3:1 belt fyi.
We were out doing a bit of sailing today and were moving at about 5.2 knots. I pushed the throttle forward a bit and we started regen at about 60 watts. I then pushed the throttle MORE forward and the regen went UP to about 120 watts. Pushing it even farther and it dropped off and then started to consume a small amount of power. On some gusts when we were going 5.8 knots I saw a max of around 170 watts of regen when playing around with the throttle.
Just interesting. I am not sure if you guys already knew this. I had first assumed that once you pushed the throttle out of neutral that was all you had to do to get regen but it seems like you can fine tune to get more regen by adjusting the throttle a little further.
Posted by: "Peter Beckett" <pcbeckett@gmail.com>
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