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I agree with Darin only in the respect that all those facets he listed are not currently being calculated and even if they were they will only get close to the reality of the situation. However, I

Theo, good suggestion. There have been some lengthy discussions about this topic in several forums, but the bottom line is this: You want to know what size motor to use for your specific application.

Hi all - first time poster. I think I have some insights to the calculator question, but maybe not a totally straight forward answer. What's missing in traditional calculators like VicProp is the

I have a bulkhead just aft of the motor. I cut out a section to match the heat sink. I mounted the Sevcon on the forward facet of the bulhead with the heat sink penetrating into an open area over the

These were taken during the install. The backside where you can see the heat sync if you notice the nuts on the right side they are the bolts holding the chargers on the back side. They also have

Picture of my compartment [email protected]> wrote:

I used the optional heat sink. It was short money when I purchased the 10kw kit. Not sure if it makes a difference but the controller is mounted in the engine compartment so figured it couldn't

I should clarify that my gen4 is mounted on stainless steel sheet, which acts as a heatsink itself. I've attached a sketch. Hope this helps. Darin

I mounted the sevcon and 2 of the TS2500 chargers on a sheet of aluminum bent into a u shaped stand. I bolted the sevcon to the aluminum with the heat sync on the back side with thermal grease on

Dear Ryan, The first question is whether the SEVCON GEN4 controller heats ... A simple 6mm aluminium sheet can be used as a support and heatsink:

Ditto I have been using a Gen 4 Sevcon without a Heat Sink for two years and overheating is not a problem. It will depend on the rating of your Sevcon, but heat dissipation will be improved if your

Ryan, I did not use a heat sink and haven't had any problems with it getting warm. FWIW, I have a 37 ft sailboat with the same 10kW Thunderstruck kit I think I saw that you are using. I typically

How have you folks mounted the sevcon controller? With the heat sinks on there doesn’t seem to be a natural way to mount it. Do you put it on rods? Or mount it with the heat sinks up against a

Bill, The boat was the "Playboy", designed by William Jackson, 1907-1973. Plans are here:RunaboutsOutboard playboy | | | | | | | | | | | RunaboutsOutboard playboy Free boat plans, Boat

John a bit off topic, but I really like the looks of your test boat. ?Wonder if you can provide links to plans For the boat? Bill

? Thank you everyone for all of the answers! In the end I think I like the idea of having one set of inputs (shore power/solar) and two banks (house/drive system), and some way to use the house

One of the best sites I have seen can give you a pretty good answer for LiFePo, for how much total capacity lost for each voltage cutoff. For example at 3.6 volt per cell will only cost you a max of

Myles,I'm following what you're saying, and appreciate improving the life of the lithium battery by not fully charging it to the max allowed voltage.? But would you be giving up a significant

There’s another consideration here: the house battery ‘type’. What Reuben says is correct if one is using PbA batteries for the house battery (12v or 24v or…). Lead acid batteries need to be

A DC/DC converter (power supply) is NOT a charger. I mistakenly did the same as you, using DC/DC converters hooked up to my 12v batteries (2 separate systems). They eventually “killed” the