I Am Saving Money on Fuel By Using Nitrogen in My RV Tires
by Robt. Allred
I have used nitrogen in my RV, truck and car tires for several months now due to an ad at a tire shop saying that I would save 10% plus in milage. This I have found to be absolutely true. I went from 6 to 7 miles per gallon towing a 24 foot trailer to 13 miles per gallon. Towed with a Toyota V-8 Tundra 2004.
You might want to pass this on to your many subscribers as Discount tires says this has not been proven and they do not have the option. I would appreciate your comments on this great savings what with gas as pricey as it is.
ANSWER: Hi RK thanks for submitting this on our Ask An RV Question Page.
There are two steps that you can take to insure that you get the best fuel mileage in your RV. If you own a motorized RV you need to make sure that the engine is properly maintained. The second step is to make sure that you always maintain the proper pressure in your RV's tires.
Properly inflated tires reduces rolling resistance of the tire, decreases heat build up in the tire and reduces tread wear and all of this leads to more efficient use of fuel and increases the life span of the tire.
It is a good rule of thumb to check tire pressure at least once a month on your vehicles which would include your RV. By a show of hands how many of you RVers out there check your RV's tire pressure religiously each month? A National Highway Traffic Safety Administration (NHTSA) study showed that 85% of American drivers do not properly check tire inflation pressure.So what's wrong with using compressed air from a service station to keep your tires properly inflated?
Leave your RV repair bills to us—Good Sam Extended Service PlanNow protect all of your Vehicles and your family while on the road: Join Good Sam Emergency Road Service Today and save!What are the advantages of using Nitrogen to fill your tires?
Compressed air that you get at a service station contains around 78% Nitrogen, 21% Oxygen and 1% other substances such as argon, carbon dioxide, neon, methane, helium, etc. Compressed air can also contain quite a bit of moisture depending on how well maintained the air compressor is that you are using.
Oxygen and moisture have a greater reaction to heat and cold, so when you are going down the road your tire pressure will tend to fluctuate more. Oxygen molecules are relatively small and tend to permeate through the rubber of the tire, so even if your tires are properly maintained you are still losing air from them.
The oxygen, moisture and other substances in compressed air can oxidize the rubber on the inside of the tire
plus promote rust forming on the inside of the wheels which can create leaks as well as prematurely aging the tire compound.
1. Since Nitrogen molecules are larger than Oxygen molecules you will have less permeation of pressure through the tire compound. In other words the tires will maintain proper pressure for a longer period of time.
2. Since there is no oxygen or moisture in nitrogen the tires will not experience oxidation from the inside and the wheels will not be prone to rusting on the inside.
3. Nitrogen is not as reactive to heat and cold as oxygen and moisture is, so the pressure fluctuations within the tires will be less while going down the road, so they will run cooler, be less prone to uneven tread wear which adds up to increased tire life.
The above reasons are why some large trucking companies and NASCAR use Nitrogen in their vehicles tires.Disadvantages of using Nitrogen in your tires:
There is a cost of around $10.00 per tire to fill them up with Nitrogen. Nitrogen is not readily available everywhere, although if you have a low tire you can use compressed air to top it off, but you will have contaminated the Nitrogen and will have to get the tire deflated and refilled with Nitrogen.The bottom line:
Using Nitrogen in your tires can help you increase fuel mileage and reduce wear and tear on your RVs tires. Although I cannot guarantee that everyone will get the same increase in mileage as you have experienced in your Tundra. Even if you use Nitrogen in your tires you still need to take the proper steps of maintaining proper tire pressure.
I hope that this information has been helpful.
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