How Our Hybrid Electric Motor Works (+ solar & hydro)

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A Hybrid Electric Catamaran is all about drastically increasing our range, efficiency, redundancy and a whole lot more. We take an in depth look at how our HH44 hybrid works.

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Having a self-sufficient boat isn’t negotiable for us.  Because we spend weeks and sometimes months away from civilization.  So, managing our resources is a must and we’re always looking for better ways to do so.  And that is exactly where Hybrid Electric comes in.

It’s all about drastically increasing our range, efficiency, redundancy and a whole lot more.  Any manufacturer who isn’t installing a similar system will.  Because Parallel Hybrid motors have all the benefits of both electric and diesel propulsion but with even more functionality…like hydrogeneration. This system is one of the big reasons we were drawn to HH Catamarans.

It’s a simple system but it has many modes and that is why we have dedicated an entire video to our hybrid electric set up.  So, if you’ve been curious about what it is, how it works or who it’s for…this one is for you.
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WE’RE JASON AND NIKKI WYNN. A couple of modern-day documentarians, perpetual travelers, and seekers of tall tales.

We’ve been chasing our curiosity around the world on wheels and keels since 2011. Why? Because curiosity is the key to unlocking life. It pushes us outside our comfort zone, softens our assumptions, and helps us embrace the great unknown. The more we let our curiosity lead the way, the more we discover about ourselves and the world around us.

Our home is also our transportation and we spend weeks away from civilization and sometimes land. Self-reliance and living a sustainable lifestyle are a must. It's all about managing our resources and we’re always looking for new and better ways to do so.

We've lived off the grid for over 10 years now in everything from a Van to RV to a Sailboat. And over time we have learned a lot about renewable energy, creating safe drinking water, and managing our waste.

Our journey is ever-evolving but the mission remains the same: #CultivateCuriosity

Timestamps if you like to Jump Around:

00:00 Why Buy a Hybrid Sailboat?
01:19 Motors are only a Backup
02:31 Why Choose a Shaft Drive Boat?
03:48 Full Electric Motoring
04:13 Parallel vs Serial Hybrid
05:19 Is a Hybrid Motor Reliable?
05:53 Is 48 volt DC Dangerous?
06:38 Is Hybrid Electric Worth the Cost?
07:09 What if there is a COMPLETE ELECTRIC FAILURE?
08:08 Hybrid Mode 1 – Diesel Propulsion
09:21 Hybrid Mode 2 – Silent Electric Propulsion
10:54 Hybrid Mode 4 – Electric Diesel Propulsion
12:15 Hybrid Mode 3 – Hydro Regeneration
12:50 Hybrid Mode 5 – 10kW Generator
13:16 Why No Hybrid Boost Mode?
14:09 Seamless Transition from Electric to Diesel
14:38 Hybrid Systems Installed on the HH44
15:55 Real-World Regen Numbers
16:50 First Look at the HH44 Helm

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#BoatLife #Catamaran #TravelVlog #DigitalNomad #LifeStyle #Sailboats

© Gone With the Wynns 2023
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So many Curious viewers! The most common question seems to be "Great system, but can you get it serviced anywhere in the world?" and the answer is definitely yes! The diesel engine is a fairly simple marinized Kubota engine, so parts should be readily available and any diesel mechanic worth their salt should be able to fix anything Jason can't. The electric motor is also super simple, and HH techs will be able to remotely log in to the system from anywhere in the world for troubleshooting and diagnostics. Hope that satisfies your "curiosity"!
Curious Minion

gonewiththewynns
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As an engineer with a career in automation, I'm impressed, and also recognize that you two will really need to learn these systems. I'm confident you can learn to troubleshoot and repair, but it sounds like it's going to be a whole new class of debug from what you had before.

plfreeman
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When the drive belt from the prop shaft to the motor/generator fails you will have to disconnect the prop shaft flex coupling and push the shaft aft to replace the drive belt. While this is not that difficult it could be easier. You could put a spare belt or two around the prop shaft during install and zip tie them into a safe position clear of any moving parts. Then when the belt fails just slide a new one forward and onto the pulleys. You will only need to slacken the belt tensioner and then retighten it with no need to disconnect the prop shaft. This could be a plus if the belt fails at sea under difficult conditions. Thanks for showing us your beautiful new boat. Happy sailing.

jackwickman
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Nice to see Jason hosting and excited about something. It’s a beautiful boat and I’m excited for you. Can’t wait for the full boat tour!

owenkuntz
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Hey - Get them to put two extra belts on each motor and zip tie them out of the way now as they are probably very difficult to replace the belts later. That way you just cut off old belt and slip new belt in place. I bet it is very hard to get a new belt around the prop shaft once mounted in engine room.

stephensidaras
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Most of the information went way over my head, but redundancy really struck me. This, coming from someone who has 5 different ways to make coffee in her trailer. 😊 AND I never have to worry about getting stuck in the middle of the ocean like you two do. Good peace of mind. ❤️❤️

karenpolansky
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What an amazing boat, the HH 44… Can’t wait to see you sailing her in your future videos!

cliffdavis
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Dam guys that was the best understanding of a system that makes sense on all points... nice

waynefederico
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This architect just gave the best description of how this system works. B. R. A. V. O. ‼️

HopeOfJoe
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wow, looks like a great system, 1 thing not mentioned is that most trains since 1913 are all diesel-electric, As early as 1913, an experimental 60-horsepower diesel-electric railcar appeared in Sweden. About 30 cars of this type, but with more powerful, 150-horsepower engines, soon went into service in Sweden, Denmark, France, and Tunisia.

robc
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That's a really impressive system
Really efficient and at the same time built with kit that is easily worked on by a normal mechanic. Love the fact that the engine doesn't have electronics on it that can only be worked by a dealer.

stevejones
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It's truly an incredible advancement for the marine industry, one that we are STOKED to be a part of! Electric sailboats are the future!

powerflowmarine
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Sixth way to propell: perpetual motion configuration. Run one motor off the battery bank. Put the other motor into regen mode, and recharge the batteries. No wind? No fuel? No problem!! ;-) 😉😉

daveduncan
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Same system as used on WWII submarines as there were called Diesel/Electrical Boats. A German sub was captured (U505), as it's batteries were "Flat", had no power thus have to surface and surrender. Did the same trick, as it was being towed by the Americans after capture, the props were spinning charging the battery's bring it back to life. It is now in a museum in Chicago..

MrDonJBerg
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The drive system looks cool. I love the idea of running quietly on the electric motor for 2 or 3 miles before hoisting sails or, vice versa, dropping sails and quietly entering the anchorage or marina. Also great for fast charging the big LiFePo4 battery bank from empty to full in 2 hours if necessary.

MrJohnBos
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Always a good day when you post a new video! Xox

GreatHonkingDyke
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Wow, I think you really lucked out with the engineering talent at Hh. In a way, I think very talented engineers are attracted to challenging forward thinking projects, and that has happened here. At a legacy boat manufacturer, I suspect your talented engineer would be stifled by older engineers who just want to do it the “way they know works”. I am really excited to see all this tech come together.

ChrisJones-yhos
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I love the design ethos of this HH. The engineering fundamentals kept simple & accessible with an elegant hybrid interface. Excited to see the testing etc.
Great job HH, my fantasy yacht league ties you guys & Outremere as top choice!

peace_oceans
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Lots of comments from folks who have not designed, built and sailed an electric boat for years.

I have.

My Pearson 36 had a similar 10kw brushless electric motor and in my opinion, the HH44 setup is sized right, practical and functional. Far superior compared with my DIY system.

In short, I have no doubt that it will work & Jason, you are going to love this propulsion system!!!

You have 2 generators on board. You have 2 engines and 2 motors - each capable of moving the boat on their own. I know of no other boat with such redundancy.

Just one question: how to change the belt? I know it lasts a long time (mine went over a year with heavy usage). Must be a coupler you can disconnect to pull the belt off the shaft.

FrankDoucette-qj
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I've said it before you two do a fantastic job with your channel and editing. Super duper ❤🙏😎

CmoreTruth