Again, great advice. We have ordered and received the stabilizer jacks, but I’m now rethinking the jacks. They were pricey, are very heavy and having to readjust them for the reasons you mentioned is making your T-support look like a better option! Now we need to figure out how to “build” it. We are not the handiest couple! Thanks again, Grandpa DanI know the manufacturer says that the bunk can hold 1,200 lbs. But I was always afraid to move out toward the far end of the bunk for fear of breaking it off and falling. I always felt like I was sleeping over a cliff. With that support I made, the bunk is as solid as a rock. I now have no fear to move way out. I don't ever climb out of the rear bunk. I have no need to use it as a bed since I am alone. Instead, I use the rear bunk as a place to store things while on site. That frees up all the other space in the small Viking.
I mean no disrespect! But those poles that Briorick shows in his photo look problematic to me. They look like they could easily be knocked out, or just fall out as the supporting ground settles. It appears that the first time you put any weight on the bunk, the supports would settle a bit. My stabilizer jacks sometime settle a bit after a few days of camping. When that happens, I would have to go around and adjust them. I don't have to adjust the bunk support with my T support. I considered something like the poles for the rear bunk because there is no tongue back there to attach a support. But in many of the camp sites I go to the ground is very uneven, and sometimes there is snow. It would take me a while to adjust them and make them firm. That's when I came up with the T frame I made. My device fits in between the two factory supports.
P.S. My husband’s name is Dan and the grands call him GrandDanny.