MY AVISTAR FLAT SPINS GREAT. IT WILL DO ANY THING BUT KE. SOME ARE NOT AS PRETTY AS A TRUE 3D OR TOP END PATTERN SHIP. BUT IT WILL DO IT IN STYLE LOOKS BETTER THAN A TRUE 3D PLANE DOING IT
WHEN INVERTED IT CLIMES A LITTLE MAYBE A FOOT EVER 18 TO 20 FEET. NOT AT ALL OUT OF CONTROL! PILOT MAYBE