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Old 04-13-2017, 05:30 PM   #15
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Originally Posted by jeff4506 View Post
I'm by far an expert on this, but seeing threads on this topic again and again inspired me to write an app that, among other things, pulls factual weight information together. Believe me, I'm not trying to hawk my app - it's far from market-ready and I'm not sure it will get that to that point anytime soon, if at all. As I sat this past weekend in my site and watched the various rigs depart, some of the combinations were just outright scary. A lot of folks out there are asking about whether a similar tow vehicle to mine is adequate. It depends. I hope this is helpful.

Regarding towing, tow vehicle (TV) ratings, supposed travel trailer (TT) weights, etc., thoughts and opinions are all over the place. Like some, I've come to the opinion that despite the variety of these data points, it comes down to actual scale weights and the combination of tow vehicle and trailer. This coupled with accurate weights of all people, fluids and cargo in both the TV and TT. Moreover, to me things like a TV's payload and max trailer weight start to lose their significance - the rating itself has meaning, but isn't a number to rely on solely. To me it's all about scale weights of the TV and TT together, and comparing to GVWR and GCWR. The combination of these tell the story with respect to manufacturer guidelines.

Consider the following screen shot. These are my actual scale numbers taken last November - the app is doing the math and rendering. This was my 2010 F150 5.4 and my 2016 Classic. I knew I'd be cutting it close and immediately felt the increased heft from my prior 25'. Still, I took it easy and was fine, but I wasn't as confident as I used to be. I went to the scales gassed up, no TV cargo and loaded my TT with fluids as I normally would on a trip. Did 3 weighs (with WD, w/out WD and TV only) so I could accurately calculate tongue weight. I was surprised in learning several things from my CAT scale experience:
1. Me, 21 lbs of cargo, 35 gals fuel and tongue weight alone weighed in at exactly my TV GVWR. Once my wife, dog, firewood, tools get tossed in I'm over the GVWR.
2. My trailer was heavier than I thought it was. Now out of curiosity I meticulously weighed everything I brought in it - 303 lbs. I'm probably a light traveler. Then, yes, once I subtract liquids, batteries, solar panels, awnings, anything considered "options", my trailer is now within the ballpark Airstream posts as empty weight.
3. With options, my tongue weight was a bit more than Airstream posted; but with my WD hitch some of that weight is transferred back to TT.

Attachment 283295

So you can see how my scale weights compare to my manufacturer ratings. This was a bit eye-opening to me. So while I felt comfortable I think it's still healthy to have this information instead of me wondering or speculating.

Now consider the next screen shot. This is when I go on a trip. This is a simulation of data if I added my wife, dog, tools, firewood and maybe food and clothes in the TT. Because I captured the weight of people, fluids and cargo at the time of the weigh-in, I can now simulate additional or removed load for comparison. In this case I added weight in both the TV and TT. Look at my numbers now. Still, it seemed workable but it impressed upon me to maybe consider a TV with higher ratings. This is why I tend to place less emphasis on my TV's payload and max towing rating.

Attachment 283296

I'm not trying to persuade anyone from changing their TV - rather just wanted to share another perspective based on real scale numbers and manufacturer ratings. I won't debate others have better experiences than me... this is just my situation. Despite my signature below, I moved to an F-250.
What aircraft are you the 'Loadmaster' on????
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Old 04-13-2017, 09:02 PM   #16
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What aircraft are you the 'Loadmaster' on????
I did that in 1979, the 1/2 ton pickups rear axle was not heavy enough,, my rear seal leaking problem went away with a 3/4 ton pu..
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Old 04-14-2017, 01:15 PM   #17
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I did that in 1979, the 1/2 ton pickups rear axle was not heavy enough,, my rear seal leaking problem went away with a 3/4 ton pu..
HMMM!
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Old 04-14-2017, 03:37 PM   #18
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Only if your tow vehicle is getting close to max weight do you really need to worry. I have to be pretty careful towing my 4200 empty/ dry trailer with my 5000lb rated tow vehicle, but if I had a10000lb rated truck it wouldn't really matter what I did to the trailer.
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Old 04-14-2017, 07:04 PM   #19
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Only if your tow vehicle is getting close to max weight do you really need to worry. I have to be pretty careful towing my 4200 empty/ dry trailer with my 5000lb rated tow vehicle, but if I had a10000lb rated truck it wouldn't really matter what I did to the trailer.
ME TOO, ME TOO!
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