The problem with CNG are the number of CNG outlets. Propane works as well, however one needs to consider the BTUs available, about 20% less power to the gallon. This translates into 20% less watts and 80% less time per gallon of fuel, so the generator needs to be sized accordingly. One of the advantages is your generator will run slightly smoother and at a deeper tone, much like a retarded spark would produce. Your generator will last longer because it will not coke up as badly (will run cleaner). As I recall a kit is available from US carbs online for most makes of small engines.
Talking to different people the opinions are just as diverse, some like others feel they cost to much to run.
Kevin
http://simplyrv.
For RV information
--- On Tue, 6/30/09, Dave Kellogg <inganear1@yahoo.
From: Dave Kellogg <inganear1@yahoo.
Subject: Re: [Electric Boats] CNG/Tri-fuel Generators?
To: electricboats@
Date: Tuesday, June 30, 2009, 11:50 AM
Keith, do a google search on dual fuel carburetors, I'm going to run dual fuel on my 6500 watt Honda powered generator myself... Dave K
--- On Tue, 6/30/09, aweekdaysailor <aweekdaysailor@ yahoo.com> wrote:
From: aweekdaysailor <aweekdaysailor@ yahoo.com>
Subject: [Electric Boats] CNG/Tri-fuel Generators?
To: electricboats@ yahoogroups. com
Date: Tuesday, June 30, 2009, 1:11 PM
Does anyone on the group have experience with using CNG on their generator? That seems an ideal solution (paired with CNG stove/heater/ fridge for example) - I really hate having gasoline on board and I have to say I've never successfully re-fueled any portable device without spilling gas (and CA's stupid CARB containers only make the problem worse).
I see kits on eBay for converting the Honda's/Yamaha' s to tri-fuel (propane/CNG/ gas)- not too expensive and claimed to be easy. I don't like propane for the same reasons as gas, so I'm interested in pro's/con's of CNG (like - is energy density/smell/ etc an issue?)
Thx
-Keith
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