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Old 12-28-2015, 07:55 PM   #1
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one axle vs two

Been reading forum for months but this is my first post.Waiting on big RV show in Feb.to compare different AS models side by side and then decide if new or used is for me. Would like to stay with 22 or 23 footer. One thing I have been
wondering is what are advantages/disadvantages in one vs two axels as these lengths seem to come either way. TV will be low mileage 2012 Toyota Tundra double cab with 4.6 v8.
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Old 12-28-2015, 08:06 PM   #2
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The big one for me is if you blow a tire there is not as much risk of loosing control and you can still tow on 3 wheels.
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Old 12-28-2015, 08:13 PM   #3
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If you are looking at the 23 vs the 22, I really recommend you compare the 3 bed options. More important than the single vs double axel in my opinion.

To us the longer bed in the 22 trumps either bed option in the 23 FB or front dinette model.
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Old 12-28-2015, 08:13 PM   #4
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I have had both single and double axle Airstreams and although there are differences I have never found them to be significant. I have two single axle trailers now. About 200,000 miles of towing experience.

I am sure you will get lots of opinions here, only you can decide which ones are of merit.
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Old 12-28-2015, 08:26 PM   #5
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I own and have pulled both, personally I think the dual setup provides a smoother ride overall. My 1966 Overlander (dual., 26') is a smoother pull than the 1966 Safari (single, 22') I owned even though its a shorter trailer and weights less. Plus as others have said, you can ride down the road with three tires if you need too.

Enjoy,
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Old 12-28-2015, 08:44 PM   #6
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I prefer the single axle option, as long as you have a TPMS system. I believe single axle tires are less suseptible to interply shear and belt separation. I've never had a tire fail on my single axle Tradewind that weighs over 4800 lbs.
And of course it's less expensive to replace tires, brakes, and axles when the time comes.
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Old 12-28-2015, 08:50 PM   #7
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I prefer two axles and four tires. I one tire fails for whatever reason, the trailer still has stability while stopping it. There is braking capacity on both side of the unit.
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Old 12-28-2015, 09:05 PM   #8
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Hi, and welcome!

We currently have both a dual axle 23' and a single axle Basecamp, and would give the preference to dual axle for peace-of-mind issues.

The 22' and 23' do not come with either one or two axles -- the 22' is single axle and the 23' models are dual axle.

In my opinion, each one of the other decision factors of floorplans, trim levels (Sport vs. Flying Cloud) and price are more significant than the number of axles.
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Old 12-28-2015, 09:17 PM   #9
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We've had both single and tandem axle Airstreams. With the tire failure history of the original Goodyear Marathons, my greatest concern with the single axle was a blowout on freeways, roads with no shoulder, or long bridges where it would be difficult to drive ahead to a safe place to change the tire. With the tandem axle we could go on for some distance, and if we remove the bad tire, can travel up to 100 miles on the other.

If we still had the single axle Airstream I would put high quality Michelin tires on it, maintain proper air pressures, and the chance of a blowout will be almost zero. (We put Michelins on the tandem axle for this reason).

So for a small Airstream, take your pick and dump the original Goodyear Marathon tires. Then the choosing the trailer interior configuration is more important.
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Old 12-28-2015, 11:10 PM   #10
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single axle

We store in a carport off the alley and need to pivot sharply to get our 22FB in. This works with a single, but wouldn't with a double.
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Old 12-28-2015, 11:49 PM   #11
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Just for the record, we can back and turn as sharply with our tandem axle as the hitch and truck will allow us. And the 120" wheelbase truck can make a pretty sharp turn.
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Old 12-29-2015, 12:26 AM   #12
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The single-axel 22' Sport and 19' Flying Cloud weigh 4500 lbs. The 20' FC weighs 5000 lbs. The double axel 23' FC weighs 6000 lbs. All should be fine if you are towing with a Tundra, so it might come down to whether a double axel is an important safety feature for you, your camping style, and which interior layout best suits your needs.

We also have a Tundra TV, and could have gotten a better price on a used 23' International than we got on our new 19' FC. We opted for the shorter length because we really enjoy camping in smaller older National Park, BLM, and forest campgrounds designed back-when for shorter RVs. These campgrounds generally have some sites for longer rigs, but they are in high demand, so we have a lot more campsite availability with an under 20' trailer. We've enjoyed camping in loops limited to short RVs, which deletes the effect of being boxed in by massive 5th wheels and motor homes.

So single axel it is.
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Old 12-29-2015, 09:41 AM   #13
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Note that the Airstream lengths are measured from the front of the hitch ball socket to the rear of the bumper. All other trailers were measuring the "box" length. So the comparable length of the 23D model Airstream (23') is comparable to a sub 20' other brand using their measurements.
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Old 12-29-2015, 09:52 AM   #14
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I've had both and no real issues with either.

Whether it is all in my mind or not though, I feel a bit more secure with two axles (ie thinking about the possibility of a blow out and maybe losing control - or at least not being able to continue at reduced speed to get off a busy interstate to a spot where I could more safely deal with the problem.)

Another plus for me - although others may consider it very minor, is the ease of removing a wheel on a dual axle trailer either to fix a flat or repack wheel bearings.

I just run one wheel onto a pyramid of Lynx leveler blocks, and the adjacent wheel is left hanging in mid-air to easily remove - safer than using jacks IMHO.

Just be sure to start to loosen the lug nuts while the wheel is still on the ground, it is a lot harder to do once the wheel is hanging free!

Brian.
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