My Lawnerator (lawnmower / alternator)

GM alternator powered by a Briggs and Straton lawnmower engine. Alternator is a mid 80's GM single wire style alternator (7273-9) that puts out 56amps which at 14.0 volts is 784 watts.

Testing this out on my school bus / motorhome conversion. It's running a dorm fridge, TV, radio and a few lights.

I tried to run my microwave, but my inverter is only 750watts (1400peak) With a bigger inverter I could most likely run a microwave - at least for short periods of time.

Category:

Howto & Style

Tags:

• Alternator
• generater
• home
• built
• lawnerator
• geni
• inverter
• watt
• amp
• skoolie
• school
• bus
• conversion
• motorhome

[LLCoolPass]

tthe noise! no good!

[P8121]

the price! 37 bucks... plus most generators are noisy. I did end up buying a coleman powermate generator, but still use this to jump start cars.

[gamer2284]

You have this hooked up to a battery right? or just running it striaght from the altenator lol

[P8121]

The lawnmower engine runs the alternator, which can then be hooked to any battery through the battery cables. From the battery an inverter converts the 12V DC into 110V AC

[katchupoy01]

Considering that mower has 4 hp on it then may you can add more alternator (windblue) to it and more batteries so that you run your lawnerator short times to just charge batteries. this is more efficient use of your gas on your lawnerator

[P8121]

The engine almost gets over powered by that alternator when there's a heavy load on the batterys... I've almost stalled the mower a few times - I doubt it's got enough power to run 2 alternators.

I might add a separate battery bank down the road, I could also put an isolator in my bus to charge them while driving. That way I can run off the batteries longer.

[ssj4goko4]

the reason the microwave failed is they have a high start-up around 2000 watts. using that car alternator sends out around 500 or 1000 watts depending on the model rpms etc. but if you used a big inverter off the battery's it could start the microwave.

[ssj4goko4]

i never saw one using the original mower body. pretty neat.

[CFrobertmartin]

i want to build one but can't find a cheep mower sould i go to a junk yard.

[Edricofifrit]

@frofro9997 110VAC, there was plenty of that, just no battery charger or anything

[frofro9997]

@Edricofifrit how did you power the motor?

[bluebirdvision]

Nice Bird :)

[TheTwistedGypsy]

I would think that you would have no problem running two of those off that same engine and get twice the input.

[StarCar98]

Pure hillbilly, I love it!!!! Now I can build me an emergency generator for the house. Noise I ain't worried about. If it stops running ether it's outa gas or someone took of with it.

[guitarguy2000]

ya kudos to you this was fucking cool

[brenthoser99]

DUDE ! dude, this is such a great video, not just the alternator, I have seen those before, but the conversion of the bus, thats fantastic. I have dreams myself of doing such a thing.