Since my hands are smaller than JB and because I want a constant reference point (where my thumb sits), my natural balance point is on my ring finger instead of my middle finger ... but the same methodology still applies.
I have been flying long enough and gained enough experience and skill that my hand can be alive and change in the moment to achive a bias towards a specific mechanic that I want to enhance in that specific moment ... but these are merely temporary changes aimed at a specific task.
In addition to the video mentioned above, you probably want to take a look at these as well...
All good advice, but just to reiterate ... do not underestimate JB's tutorial videos. John is one of those people who not only has an extremely thorough technical understanding of all aspects in play, but he is also able to articulate that information very well.
I've had him fix a problem I had in one sentence which likely saved me months of doing things the hard way and (hopefully) eventually figuring it out. I still had to go out and put what he said into practice, but once you have the correct knowledge practice basically means go out and have fun
Based on my measurements this weekend, the weight range from my latest B-Pro to a factory B is less than 10 grams. This was measured with the frames included and with a kitchen grade digital scale. Frame variance is probably about 1-2 grams total in my experience so I don't bother about it.
While I have weighed probably every aspect of a Rev (a bridle is 7 grams if you were wondering) ... low end flying, where weight matters, is 95% down to pilot skill. Swallowing a spoonful of cement to harden up and just get out there and work on thos skills is a far better investment than weighing everything ;-)
For me, unless the rev is facing the ground during it's rotation it's not an axel - it's nothing more than yanking a line and letting the kite 'bicycle spin' with slack lines (which to my eye is neither pretty nor a trick).
By my own standards, my axel attempts fail more often than not ... but I don't work on it too often since it's hard to get it flat (as it should be) and the chances of a person not knowlegable about revs understanding it are very small.
I'm also a 30' guy ... like JB said, big enough to fly shapes or patterns, but short enough to get the job done.
My exception (space not withstanding) is that horrible circumstance where the 'wind' is constantly shifting directions (usually breathing back and forth with gusts from random directions in between) and I need to be able to do a 180 (horizontal or up and over) in a heartbeat because I'm suddenly on the wrong side of the window. In this case I am currently developing my skills on 12' lines, but my intention is to be able to stretch back out to 30' lines.
The two instances where I think 12' works are near zero wind (check Youtube for JB rev'ing it in Singapore) and/or when you interact with the environment to make it interesting (check Youtube for JB in the UK).
A good contrast can be seen in Watty's 'Friendly Neighbourhood Street Flyer' video
The 1.5 is the better all around platform and where I spend 90% of my time, but the fun of the 2 is often overlooked.
My stack came into being so that I could do more with the B2 set I had so that they got more airtime. The set is both a stack and solo pieces.
They really are a fun little kite with massive wind range and I think a lot of people overlook them (which is why we don't have the numbers to justify a pro model).
Granted they're not as good for team as a 1.5 but for a solo pilot and/or if you already have a 1.5 set... They are fantastic.
I also think they stack great and have my set rigged in a stack. The mid has everything attached all the time and I pull off the std and vent as needed.
In solo form I use the same frame setup as you, in the stack I use 4-3-3 drom front to back.
The wind was ripping (way past xtra vent), the lines are short (check all the mistakes), the frame is (necessarily) stiff, the camera is head mounted (lots of shake) and the video editing package is weak, buggy and prone to corrupting your project.
But you know what they say about being handed lemons
Thanks for the encouragement, hopefully I can get a video with some decent flying out in the not too distant future.