Another mock up. Damn I need that 3d printer.

My favorite triple changer. Blitzwing!!!

Robot
http://www.flickr.com/photos/6534707...7629024921763/

Jet
http://www.flickr.com/photos/6534707...7629024921763/

Tank/Rocket Launcher look alike:
http://www.flickr.com/photos/6534707...7629024921763/
http://www.flickr.com/photos/6534707...7629024921763/

It doesnt look much but the concept might work.