Step One: The big cut or as I thought at the time, “the big committment”. I did a simple 2" overlap, this was a tense moment 
Step Two: Grind and prep for gluing, not so bad if you have got a dremel and a razor knife, maybe twenty minutes worth of grinding and smoothing, the easy part
Step Three: Figuring out the bead diameter. I glued one side and let it set up, then I used the original tire and a bunch of binder clips, lined it up and went for it!
Step Four: The final glue up using Barge contact cement, highly recommended. I tried vulcanizing tire glue first and it did not work. Barge was excellent, easy to work with, even allowed some fine adjusting. Note: Use the tires “lines” to get the sidewalls straight; mucho importante!
Step Five: The shoe repair guy sewed my treads and saves me hours of pain and suffering, he went up and down the sidewallsbetween the knobbies, and along the beads. This is the shot from inside, total cost $20
Step Six: Applyied rubber armor over the seam and threads, this is some good stuff, kinda like a fibrous shoe goo, designed to protect leather boot toes, also works for frankentires
The weigh-in, drum roll…yes folks, that is the correct weight 
Final product after the first big ride, two thumbs up!!
No complaints, this is a great riding wheel, well worth the effort, the tire worked very nice, much better than the stock tire. The Maxxis Advantage Silkworm is a racing tire, so kinda soft in the sidewall for tech muni, so my next tire project will be an Ardent 2.4, then I’ll use the Advantage as my back up tire.
The tire dimensions are fairly close to the stated dimension of 2.1", which worked out to be 3/8" taller and wider than the stock tire. There is a slight hump at the joints which can be seen when I spin the tire. I shaved the center knobby slightly right at the seam, so the hump is <1/8" and not noticeable when riding. I had a sllight stretching of the rubber at the center line of the tread, but no noticeable stretching at the sidewall.
I pumped it up to 40psi and it held fine, backed it down to 25psi for tonight’s trail riding which felt about right for the tire “design”.
If you are on the fence about doing this project for yourself, don’t be, the wheel is plenty strong for muni and franketire build is easy. It feels like a tall 29er, easier to throw around than a 36er, but faster than a 29er.