Portable AC and Generator - Page 2 - Fiberglass RV

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Old 08-18-2015, 02:28 PM   #15
Name: Lyle
Trailer: '95 17ft Bigfoot
British Columbia
Posts: 33
The Honda 2000 will run a 13,500 BTU RV air conditioner. What you have to do is replace the start capacitor in the AC unit with one that is rated as "hard start". I believe when I changed mine it was less than 20 dollars and is easy to change. There is lots of infor on the internet about it.
I don't know why you wouldn't run a generator out side in the rain I've usually just covered it with a chunk of plywood or whatever is around. It happily purrs away.
Speaking of ethanol there are different rules in different areas. Any small engine especially two cycle like weed eaters or chain saws should be running ethanol free premium.
Here is a website showing ethanol free gas by area.
Ethanol-free gas stations in the U.S. and Canada

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Old 08-18-2015, 02:31 PM   #16
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Name: Gigi
Trailer: Love Bug 1974, Eriba Puck 1972
Arizona, Minnesota & Va
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Originally Posted by gordon2 View Post
Honda EU2000i Review: Really as Good as Advertised?

generators... but if you must, see above.
Originally Posted by USDM View Post
Don't skimp out on the generator. Honda's are bulletproof. Yamaha's are great just not as popular. Check craigslist and you'll find a honda eu2000 for under 1k.
Gordon2 and USDM, The Honda's aren't as much as I remembered them being a few years ago. I think Honda may get my money. I do appreciate the quiet.
Thanks so much!

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Old 08-18-2015, 02:37 PM   #17
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Name: Gigi
Trailer: Love Bug 1974, Eriba Puck 1972
Arizona, Minnesota & Va
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Originally Posted by stillwater View Post
Two things about Honda 2000 generators. (Maybe other makes as well)
If you need more than 2000 watts at times you can combine two of them and get 4000 watts. If you only need 2000 watts then only run one. Many people use this setup. It does double the price but gives you options.
The other nice thing is that you can use an external gas tank as the Honda has it's own fuel pump. I rigged mine up by removing the vent from the Honda gas tank lid and screwed in a 1/4" fitting on a 90* fitting then used a quick connector from a boat fuel line and a 5 gallon plastic gerry can with a drop hose to reach the bottom. The honda sucks the fuel from the gerry can. I haven't had to pour gas into the Honda tank for the last 6 years and it would run for days if you wanted.
Stillwater, this is exactly what I wanted to see possible. I'd rather only have one generator and not have to get up in the middle of the night.
Thank you for your generous advice.
I see our next poster has some good additions to this as well.
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Old 08-18-2015, 02:55 PM   #18
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Trailer: Love Bug 1974, Eriba Puck 1972
Arizona, Minnesota & Va
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Bruce, you are the genius today!

Originally Posted by Bruce H View Post
I checked the specs on the Honeywell MF08CESWW and it shows power consumption of 700 watts @ 6.3 amps. If that is accurate the small 28 lb Honda 1000 with an output of 900 watts at 8.3 amps would run it but it would be a near full load for it. The light weight would sure be nice but the run time at full load would be limited to about four hours on its .6 gallon gas tank. Also the use of other power while running the air conditioner would be limited due to the near maximum power consumption.

For $200 more (retail) There is the 46 lb Honda 2000 with an output of 1600 watts @ 13.3 amps. While it is not enough to start a conventional 13,500 RV air conditioner it should easily handle the Honeywell which would be consuming much less percentage of the generator's capacity. So it should have a run time of six to eight hours on its .9 gallon gas tank.

I have owned a Yamaha 2400 and a Yamaha 2800. They are both nice generators and I will recommend either for someone needing to power a trailer with a 13,500 air conditioner but they are a little heavier and more expensive. They weigh around 60 to 70 lbs.

I have never owned a Honda but in this circumstance I would go with the 2000. Any other generator will be too heavy or too noisy or both.

As others have mentioned you need a sturdy cable or chain to secure a generator so that an opportunistic thief cannot quickly grab it. That will deter 95% of them.

A couple more considerations:

You must run a generator outside. But in the event of rain you can't run it. In fact you must cover it or get it inside so it does not get soaked.

Modern day gasoline all contains ethanol which makes a white soapy looking residue that stops up small engine carburetors very quickly. The service departments of Yamaha (and I am sure Honda) charge $90 or more to remove a carburetor and clean it. And that will be every year if you don't use a fuel additive such as Sea Foam etc. Also to shut the generator off you turn off the fuel valve and let it run out of gas so the carburetor is empty.


Bruce! Thank you! I love this detail, it really helps me understand how to make the correct purchases. I'd done the math roughly based on my research and had arrived at similar numbers with the Yamaha. Thank you for working all this out, it makes great sense and I so appreciate seeing the comparisons.

It's nice to hear Yamaha offers a good generator but the Hondo will outperform it and is quieter for my application. It is the clear choice. When I searched the Honda's, I was surprised to see how much more affordable they are now than the last time I checked on them.

I like the small air conditioner for the campers and my Arizona boat, and I am going to invest in the Honda 2000. The fact I can use this for my sailboat and campers for heating and cooling and also for my electronics/work, it makes a lot of sense.

I am hoping LB gets out here for his/le Puck's shakedown cruise I'm planning! His work has become very busy due to computer issues, I remain hopeful! I guess I can always park at the marina and try everything out. But, le Puck is going to be awesome when I'm done with her today!!!

So, off to Amazon to order AC and a Generator!!! I guess I'll have to construct a tarp in case there's rain, good to know. We should be so fortunate! Arizona has been hot, hot, hot!

You are all so amazing! Thank you, thank you, thank you!

Loverboy should be a Happy Camper with Dutch Oven cooking, The Grand Canyon, and now AC! Who wouldn't be happy with this? It's just Bliss!

Anything I am missing? Do I need anything else? Oh, Boy, this is exciting!
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Old 08-18-2015, 03:35 PM   #19
Name: RogerDat
Trailer: 77 Scamp 13
Posts: 3,129
Tarp would have a real problem if it gets against the hot engine or exhaust. Piece of plywood to set on top is a common approach. Want to get fancy you could hinge three pieces. Two sides and a top. With a rod and/or thin chain or cable between the sides on the end to hold them apart.

One thing about the type of generator the Honda (and Yamaha I believe) is that they can adjust throttle to just meet electrical load. Meaning between cycles of the AC compressor running the fuel consumption drops considerable amount. Cheap generators tend to jump to pre-determined throttle point as soon as it has any load or when load exceeds the current throttle. E.G Can only be at 1/4, 1/2 or Full throttle.

Honda is infinitely variable throttle so not going to jump to full throttle because 1/2 isn't enough, has the option of going to 9/16 throttle :-) I have an old 4000 watt genrac model for the house and it has three speeds. On, 1/2 throttle or full throttle. Turn on 1 single 40 watt light over what 1/2 throttle will support and boom it goes to full speed. Which is also noisier I might add.

Hey I'm not a huge fan of generators in campgrounds but I get medical need (people with CPAP needing to charge batteries is another case) and a willingness to camp away from the organized campground makes noise a non-issue to me. If you are in the middle of the national forest I just don't think it matters, cheek by jowl in a campground it does.
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Old 08-18-2015, 04:04 PM   #20
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Engine speed has to do with the Type of generator you are using.

Older, and todays less expensive generators (aka Conventional) have an AC generator that has to run at a set speed, usually 3600 or 1800 RPM, in order to put out the 60 hertz power required. If the frequency was above or below that, it could quickly play havoc with almost all A/C appliances & non-appliance loads. Engine speed must remain a constant, even as the load changes.

The Honda 2000EU and others of similar "Inverter" generators, use DC from the generator set itself to drive an electronic "Inverter" that supplies a constant 60 hz. output. Therefore, engine speed can vary in respect to load.
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Old 08-18-2015, 04:13 PM   #21
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The North Rim is at 8500 feet and an A/C will not be needed at night, perhaps not even in the daytime, when you won't be hanging around the campground anyway will you?

Here is a useful link for North Rim amenities. There is also a reservation line for Dinner in the Lodge given:
FAQs | Grand Canyon Lodge - North Rim
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Old 08-20-2015, 07:41 AM   #22
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Name: Darral
Trailer: Scamp Standard 13' 2010
Posts: 1,521
I've always heard that if you're running your A/C on generator and it runs out of gas, it will burn up the compressor. I have a small 5K unit that's only about 3 yr old, but for some reason is freezing up (probably low of freon). It was a Target "Fall Special" for $90 so no big deal. Anyway, I decided to try it with my ole Champion 3500/4000. SEVEN times minimum, I would start the gen and start the A/C and watch for frost to appear on the coils to know the compressor was running, then reach down and switch OFF the gas on the generator and wait for it to shut off.

One point of interest; when the generator would start pulsing (running out of gas), it would get to a point then shut down and stop almost immediately. Because it was under a load? Possibly. Intentional on the design? Dunno. All I know is, I would wait about 3 min between shutdowns and try it over and over...again about seven times in a row. The A/C always restarted.

Just thought I'd share that bit of worthless info this morning.

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