SD Models 33% Yak 54 w/3W85xiCS

This was only the 3rd, 4th, 5th, and 6th flights on this airplane and engine. Great flying model! Smoke is by using 7.4V Lithium-Ion battery on a Sullivan Skywriter pump. Flight control is by a JR9303 2.4 Ghz radio system.

Duration : 0:4:57