Anybody running 2 tri-fuel generators in parallel?

[Damdifino]

I'm wondering if anyone runs twin Yamaha or Honda 2000 watt generators in parallel on propane? If you've done this, how is the fuel delivered? Do you have a T in your delivery hose? Can this be done off the low pressure side of your propane tanks?

[neal10a]

Propane is the way to go for intermittent or backup use because gas does not do well for storage and if you do store you better run a storage additive and then run the carburetor dry when storing. I converted my Yamaha gen to propane for that reason.

[falconman]

I had two yamaha tri fuel generators that I used primarily on LP. You will need a tee to connect both units to the trailer but I don't think one tank would vaporize fast enough to supply them both at high speed. If you have an auto switchover regulator on the trailer it would allow only one tank at a time to flow and might not be sufficient. I ran one at a time off the low pressure port with no issues, when running two I used a separate bottle for each.

[Golden_HVAC]

I know someone with a Onan generator on his 38' DP. It has a 3600 watt LP generator that has a liquid propane line running only to the generator. So it takes in liquid propane, heats it and then uses it in the carburetor.

I don't know if the normal propane regulators can run a LP generator, let alone two. Modern code complaint tanks have a overflow safety valve inside them that should automatically shut off gas flow if a propane line breaks. However using propane at a rate in excess of 270,000 Btu's per hour can also trip the valve, even without a broken pipe.

There is 95,000 Btu's in a gallon of propane, while there is 115,000 Btu's in a gallon of gas. So automatically you will use about 20% more fuel on propane than gasoline. Lets say that the Honda 2000 where to use 1/2 gallon per hour, that is about 60,000 Btu's per hour, or about 2/3 gallon per hour of propane. You are pushing it to run the furnace, refrigerator and generator all on the same tank, probably better to use one tank for each generator? Many RV LP regulators are limited to about 130,000 or 190,000 Btu's per hour. If the generator comes with a regulator, then fine, it is probably rated at plenty of Btu's per hour for it's own use.

Fred.