Going camping and riding off the grid this weekend so I got a little larger generator so I can run everything without overloading the generator. Didn't have $2K for one of the 3000W quiet inverter Honda's which would be the best... so I bought a cheap Generator ($279.00 at Harbor Freight) that will last a while. Just using it a few times a year... wasn't worth the expensive generator for me. The issue with these cheap generators are they are louder than the 70dB advertised. I don't want to be obnoxious to others, so I built a sound box for the generator. To make it light and manageable to lift, I ripped some 2x4 into 1/4 width and built a light frame. I covered the frame with some plastic panel I had, used R30 Insulation I had along with some acoustic ceiling tiles and some dense cardboard to hold it all together. I left a 3" gap at the bottom side where the air and exhaust come off and put a 6" vent directly in front of where the engine draws air from the flywheel fan. I will use some 7/8 flex copper tubing to extend the exhaust outside the box by the 3" gap.
If I see the generator getting too hot... I may get a 7" electric radiator fan and force some air, I saw some cheap fans on eBay for $29.00 and the Generator has a 12VDC 8A outlet to run it directly from. We'll see if it is needed. I think the generator will draw enough air and with the exhaust outside the box... should be no issue.
I have a UPS to use inside the trailer for the LCD TV and other sensitive electronics... or I could run the TV directly from the 12VDC 2000W inverter I have already installed. Either way.. covered for the dirty power if the generator runs out of gas or etc..
The added benefit is that this sound box is weather proof... so I can run in the rain. :-)
I tried it out tonight.... the generator stayed cool and cut the noise by 10dB at least. I can barely hear it from 20 ft away. Just a low purr now. Also runs the Air Conditioner, Fridge, Lights, etc.. all together without hesitation. Now I will be able to use the microwave and AC at the same time. :-)
I am going to field test it this weekend. Going out for three days. I'll let you know how it goes.


