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When I started towing, my X needed the LED adapter. At some point a firmware upgrade may have happened because there have been times when I have not used the adapter and everything has worked just fine. Though I haven't exhaustively tested this claim; others in a position to reproduce are invited to confirm.
Tongue weight is listed as dry weight (no load), which can be confusing since they also list GVWR which is fully loaded weight. So while you can work hard on maintaining balance and keeping the weight off of the tongue, it's tough to do and not always advisable anyway. A good 10%-15% of the trailer weight should be on the tongue for balance and stability on the road.
Personally, it makes me uncomfortable, but that's just me. It is your decision and your rig. I would strongly recommend ditching the Bosal with that camper and going straight to the Draw-Tite. It's inexpensive, easy to install, and from a hitch standpoint, it gives you more tongue weight wiggle room. The hitch itself is rated at 750 lbs, though the Model X still is technically limited to 500 lbs of tongue weight. Still, I can't conceive of a good reason one wouldn't upgrade if their dry hitch weight is already 500 lbs.Looking at the Airstream website, I seem to notice the tongue weight includes LP. Do they just mean the tanks unfilled? Asking because after much back and forth, we have landed on buying a 2020 22’ Bambi. Getting it next week. We understand the hit on range due to the larger frontal area but decided we could live with that for the additional space inside. I also plan on towing with the Bosal hitch, at least at first then moving to Draw-Tite if necessary. My only concern now is the 500 tongue weight rating of that trailer. Within Tesla specs but of course that’s theoretical. I plan on not filling both thanks at first and spending quite a bit of time balancing the trailer, like putting stuff in the bathroom in bins as suggested here. Any additional thoughts on living on the edge like that with regards to tongue weight? ;-)
Oh, and I look forward to seeing the wider body version at some point at my Airstream dealer. I'm guessing they increased the depth of the dinette? That will be a huge win. I am not a fan of the U-shaped dinette in our camper.We understand the hit on range due to the larger frontal area but decided we could live with that for the additional space inside.
Personally, it makes me uncomfortable, but that's just me. It is your decision and your rig. I would strongly recommend ditching the Bosal with that camper and going straight to the Draw-Tite. It's inexpensive, easy to install, and from a hitch standpoint, it gives you more tongue weight wiggle room. The hitch itself is rated at 750 lbs, though the Model X still is technically limited to 500 lbs of tongue weight. Still, I can't conceive of a good reason one wouldn't upgrade if their dry hitch weight is already 500 lbs.
The tongue weight includes full LP, as far as I remember, but does assume empty tanks. You have to remember, as @ecarfan notes above, that you should definitely keep your tongue properly weighted. It would be easy enough to rear-load your camper but since you are foregoing weight distribution, you really want to err on the side of a heavier tongue. 15% of total weight is probably safest. Dry weight of the camper is 3800 lbs. If you load it up to, say, 4400 lbs, that would be a 660 lb tongue weight.
Get the Draw-Tite.
Oh, and I look forward to seeing the wider body version at some point at my Airstream dealer. I'm guessing they increased the depth of the dinette? That will be a huge win. I am not a fan of the U-shaped dinette in our camper.
You need to accurately measure the tongue weight so you don’t exceed the hitch spec. I use one of these (4” drop version, and then I had it cut down even further) Labor Day Sale - 10% Off Weigh Safe
You can also use something like this Sherline Trailer Tongue Weight Scale – Sherline Products
Your tongue weight should be 10-15% of the total trailer weight
Determining Trailer Tongue Weight | etrailer.com
I will be interested to learn what your Wh/mi energy usage figure is when towing a 22 ft Bambi at 55mph on a level dry road. Please let us know.
With the WeighSafe ball mounted as shown in my blog post at https://electrictravels.blog/2018/09/16/towing-with-a-tesla/ it meets the Bosal specs.Is the Weigh Safe not too long of a ball mount for the X specs or you too have ditched the Bosal?
However, I strongly recommend that you follow the advice of @ohmman and replace your Bosal with the DrawTite because of the weight of the Airstream. The Bosal just isn’t up to it. He has the towing experience to support that position. My Safari Condo Alto 17 ft trailer is literally half the weight of the Airstream and the Bosal is just fine with it.
Well, you guys are convincing... I will look into Draw-Tite. Would you happen to know if U-Haul white labels Draw-Tite? They sell a hitch for the X that is identical to the Draw-Tite down to the model number (76144) and installation instructions but is U-Haul branded. Seems like they have it in stock and I could pick it up tomorrow. A nice Sunday project before picking up the trailer Friday!
Sorry, no idea. But if I was in your position, I would go with the DrawTite so I would be confident about what I was buying.Would you happen to know if U-Haul white labels Draw-Tite?
Seems likely it's the same. I bet U-Haul can tell you.Oops. That’s 76143. Gotta be the same.
Seems likely it's the same. I bet U-Haul can tell you.
Just back from U-Haul. Indeed is the same hitch. However, locations don't have it in stock. They have to order.
Given that, might as well order from eTrailer and get the actual Draw-Tite branded one. Hopefully I get and can install it ahead of my trailer deliver Friday.
My understanding is that the hitch has a capacity of 750 lbs, but that they must defer to the manufacturer’s guidance. The Model X wants you to stay under 500 lbs., which is most likely a function of the rear suspension. I alluded to this above when I mentioned it but probably wasn’t clear enough. You should still shoot for a tongue weight reasonably close to 500 lbs because of this. But it should keep you safer from a Bosal adapter failure and breakaway.ohmman, quick question for you. Found a local place that could install the Draw-Tite. They are insisting however that the max tongue weight is 500 lbs. and sure enough the Draw-Tite website says that as well. Yet, eTrailet says 750 lbs. same model number. What am I missing?
My understanding is that the hitch has a capacity of 750 lbs, but that they must defer to the manufacturer’s guidance. The Model X wants you to stay under 500 lbs., which is most likely a function of the rear suspension. I alluded to this above when I mentioned it but probably wasn’t clear enough. You should still shoot for a tongue weight reasonably close to 500 lbs because of this. But it should keep you safer from a Bosal adapter failure and breakaway.
@JimVandegriff and I both have an Equalizer hitch. It's been fine. I think in hindsight I might consider a ProPride style hitch. In both cases, the large hitch apparatus adds quite a bit of weight to the tongue, so that's also something to consider.Got it. Thanks. I definitely plan on staying on or under the 500. I also notice it is not rated for WD. Again, I assume that’s to meet Tesla specs. Now that I’m getting rid of the Bosal, might as well add that too. You’ve done the Equalizer if memory serves me right?
@JimVandegriff and I both have an Equalizer hitch. It's been fine. I think in hindsight I might consider a ProPride style hitch. In both cases, the large hitch apparatus adds quite a bit of weight to the tongue, so that's also something to consider.