Aaahh the snow has melted and the ground is somewhat dry - time for some spring bashing!
Now running with KB45-12L 1400kv, Mamba Monster Max & 6S lipo.
Click the pic to see the Spring jump video:

HD version available, drop a comment if you like.
Everything went pretty well, until I broke the bigger gear from Kershaw's transmission. At some point earlier I overtightened the setscrew holding the gear, apparently damaging the threads. Now it got loose and broke the "collar" from the gear.
picture from the damage:
Here's some data from Eagle Tree: