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 > Propane use with Air condition-Full Load-Class B

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Herculez

North Carolina

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Posted: 01/28/12 05:46am Link  |  Quote  |  Print  |  Notify Moderator

Members, Any idea how much propane the gen would use while under a full load.

One Class B I have looked at has about a 9 gallon tank with a 15,000 btu air conditioner.

If lets say it was a summer day and you had to run the air for 24 hours do you think that would be enough fuel.

Need you help on this one. The propane gen is a Onan 3.6.

Britt






TinyoneRV



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Posted: 01/28/12 06:21am Link  |  Quote  |  Print  |  Notify Moderator

Onan lists the following in the manual from their website

No load 1.5lbs/hr converts to .35 gal
Half load 2.2lbs/hr converts to .52 gal
Full load 3.3lbs/hr converst to .78 gal

Propane weighs 4.2 lbs per gallon. So if you had a 20lb tank like used on a gas grill you could run at full load about 6 hours. I think my RT has a 30 lb or 7 gal tank so I could run under half load about 13 hours. The 9 gal would run about 17 hours at half load. Of course, the actual consumption would depend on how hot the outside temperature and how much the air conditioner actually runs.

Hope this helps.

Herculez

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Posted: 01/28/12 06:35am Link  |  Quote  |  Print  |  Notify Moderator

Yes, That does help. I just don't have the knowledge in regards to a propane operated generator.

Thanks for you quick response.

Britt


Davydd

Minnesota

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Posted: 01/28/12 09:18am Link  |  Quote  |  Print  |  Notify Moderator

We rarely run our air conditioner mainly I think because we spend most of our time outside when parked and evenings in the desert areas we camped cooled down considerably. Last year we spent most of our spring in the southwest (Arizona), summers in northern Minnesota and fall along the Gulf Coast (Texas to Florida Keys). When we travel the Rocky Mountain states I could not recall ever a time we used the air conditioning. At times we have sought brief relief with air conditioning. With the Fantastic fan, back door and sliding side door screens we are able to keep our B from overheating without air conditioning. One thing about B touring is we tend to try to follow the weather to our best and most comfortable advantage. So, air conditioning has been a nice perk to have but not an absolute necessity.


Davydd
2011 Great West Van Legend Sprinter B Camper Van
Davydd is the Welsh spelling for David with an English twist using a v instead of an f.
See Our 2011 Great West Van Sprinter Legend and my pork tenderloin sandwiches
Visited states in an RV


Herculez

North Carolina

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Posted: 01/28/12 10:27am Link  |  Quote  |  Print  |  Notify Moderator

Davydd, Thanks for your guidance in regards to your thoughts on why you do not run your ac.

We have some specialized reasons that we MUST have the option of full Air Condition power for up to 24 hours.

If you have any knowledge in regards to My question please advise.
Thanks again,
Britt


jauguston

Bellingham, WA

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Posted: 01/28/12 10:57am Link  |  Quote  |  Print  |  Notify Moderator

This post is a example of why propane fueled generators can be inconvenient. A gas fueled generator would have access to 3/4 of the vehicle gas tank capacity in most cases.

Jim


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Herculez

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Posted: 01/28/12 11:36am Link  |  Quote  |  Print  |  Notify Moderator

Jim, Thanks for your thoughts.

We are not looking at a Gas vehicle. We are looking at a Diesel vehicle.

I own 4 generators none of which are propane.

Most likely, as we did with our current Rv we will have custom work done to get things the way we want.

We (Think) we will continue to use our current Rv which has its own fuel tank (Gas) for the GEN.

We are now looking to add a Diesel RV Class B to our Collection.

Propane will work for us.

Do you have endless hot water on your current RV?

Britt


jauguston

Bellingham, WA

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Posted: 01/28/12 11:47am Link  |  Quote  |  Print  |  Notify Moderator

Brett,

Endless-No 10 gallon heated water tank 160 pound propane tank.

Jim

Herculez

North Carolina

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Posted: 01/28/12 12:00pm Link  |  Quote  |  Print  |  Notify Moderator

If we proceed with our plans we will have Hydronic heat along with hot water. Powered by Diesel.

Yes that's right, all in a Class B.

I sometimes will by something that I don't own just to test it out...ie propane Gen. Never owned a Class B but thought it would come in handy from time to time.

This post is a good example of someone that likes all RVs and equipment.

Everything has a use, and everything has pros and cons. Just like the example you have as noted in your Class A

Britt


Francesca Knowles

Port Hadlock, Washington

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Posted: 01/28/12 02:56pm Link  |  Quote  |  Print  |  Notify Moderator

Herculez wrote:

If we proceed with our plans we will have Hydronic heat along with hot water. Powered by Diesel.

Yes that's right, all in a Class B.

I sometimes will by something that I don't own just to test it out...ie propane Gen. Never owned a Class B but thought it would come in handy from time to time.

This post is a good example of someone that likes all RVs and equipment.

Everything has a use, and everything has pros and cons. Just like the example you have as noted in your Class A

Britt




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" Not every mind that wanders is lost. " With apologies to J.R.R. Tolkien

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