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Anyone know the inner workings of hybrid engines?

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bignateyk

Lifer
I am looking into making a hybrid go-kart as a fun DIY project, but I am having trouble finding info on the web with just basic diagrams of how hybrid engines are built.

So basically I want an electric motor to drive the wheels, getting its power from batteries (lithium ion?), and have a gas motor that would re-charge the batteries when they got low.

Anyone know any good sources where I might find some block diagrams, etc..., on how I might accomplish this?
 
forget li-ion, it's lead-acid for you. you'll need:

a liquid-fueled engine with gearing to drive an ac generator
at least an inverter to feed dc to the batteries, maybe a transformer and rectifier too.
several batteries - 4 will give you 48v for a little while
a speed controller with massive current handling
a computer system you trust to keep it from turning into a pile of flaming toxic waste

best of luck to you.
 
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Totally depends on what kind of hybrid you want. It sounds like you want a power-split or series-parallel hybrid IE The Ford Fusion Hybrid, Prius, Chevy Volt kind of them. I can post a pretty detailed post on how these engines work and a couple cutaway shots of a Fusion Hybrid engine if you want. Suffice to say I hope you've got lots of money and time. It's pretty freaking complicated.
 
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TraumaRN said:
Totally depends on what kind of hybrid you want. It sounds like you want a power-split or series-parallel hybrid IE The Ford Fusion Hybrid, Prius, Chevy Volt kind of them. I can post a pretty detailed post on how these engines work and a couple cutaway shots of a Fusion Hybrid engine if you want. Suffice to say I hope you've got lots of money and time. It's pretty freaking complicated.
Click to expand...

Yeah... well basically I just want an electric kart, but to have an ICE that can re-charge the batteries. It wouldn't even have to be automatic... it could have a switch or something that would engage the ICE to re-charge the batteries if needed.

Otherwise the kart would run 100% electric. So basically if I was cruising around on electric and the thing died 10 miles away from my house I could flip a switch and recharge the batteries using the ICE.
 
buy a used electric golf cart and strap a small generator to where the clubs would go.
 
So it's something like the Volt setup. Not sure an ICE makes sense for something so small. Maybe a mower engine or something. Better yet, look into a small generator. Would you be OK with pulling over and letting the battery charge or charge while driving?

If the object is to learn how hybrids work then here's a very basic page.
 
Automotive hybrids typically include a large electric motor where the flywheel is attached to the gasoline engine along with clutch mechanisms that allow various modes of coupling including freewheeling the electric motor for regenerative effects. What you want is a full time all electric setup with a generator that charges the batteries.
 
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