I was watching videos of David flying DLG's on his site this morning. Man, those things are COOL! But they can be horribly expensive! I saw one advertised for the low, low price of $999.00. No doubt you can find them for much less money. I'd love to have a go at one!
Sure. 5000mah 3s in the Bixler would do the job on about half throttle.
I've just inherited a Decathlon into which I've stuck a 2200 3s. It flies for about 25 minutes of normal aerobatic parkflier fun. Unfortunately that's a long time and near the end you're hanging out to hear that low battery beep to be honest...
That actually brings up an interesting "challenge".
Across the ocean is pretty ambitious, but I'd love to try to setup a place with an AP (DIYDrones) and program in something like take off from my house and fly these waypoints landing at x.
It would be fun to do the "flight planning" with winds aloft and battery capacity etc.
How far could you get the plane to go would only be one small part of the challenge - accurately predicting the speed using winds aloft, how long will it take for the plane to get to it's destination and/or how much juice would be left over if you had a designated landing point.
I remember once doing a flight from Ottawa to Sarnia Ontario where I has planned x minutes from wheels up to wheels down (actually it may have been from engine start to wheels down) and it turned out I was dead on to the exact minute. The sense of accomplishment came from the accuracy not the flight. Of course it's easier to plan for a destination airport where you're not expecting to get vectored around. I admit - that level of accuracy has equal portions of planning and luck attributed to its success but still - I like to think I had something to do with it ;-)
That's pretty progressive - I have never heard of anyone trying something like this with an RC. Of course - there are probably laws in place to prevent someone from legally trying that in some countries.