Home Made Generator
I made a DIY Inverter Generator with a 4 stroke Subaru robin EH035 engine.
I started with a powerful 4 stroke 1.6HP engine.
Its quiet, efficient, less pollution, and you don’t mix gas and oil.
The engine has been sitting a few years, so I did an oil change.
Here is the alternator I used to make my generator
I used my RPM meter (Amazon) (It uses a laser and reflective tape to measure speed) to measure the engine output rpm.
Here is an example from my cars pulley.
I also measured the engines RPM from the flywheel.
Here is my original design. I did not know which way the alternator needed to spin…
I needed a way to attach the gear to the alternator. I used magnets…
Then I welded inside the gear to hold it to the alternator.
It looks good to me.
Now I needed a frame to hold everything
I used a piece of metal across with my magnets to hold everything square as I welded
Now I needed to make an Engine mount.
I needed a second point for the engine to mount to. Here is what I made
Now to mount the alternator in the spot I originally wanted it.
Nice and compact. I like it!
Well, it turns out the alternator has to spin the other way to generate power… boo!
Now I must extend the platform to support everything in the new configuration.
Now to finally test the thing…
Alternators need 12v to power them on to generate power that’s why I have the battery.
I added a switch and LED to the alternator to turn it on/off at the right engine RPM.
Here is a wiring Diagram I made showing the Honda/Acura OBD1 pin-out and wiring I used.
The alternator did not function… so I had to open it.
The brushes on the alternator were bad. The new one is on the right.
Time for another test… and it works! yay!