HELLO... I HACE AN EXTRA 330S PHOENIX MODELS... WITH AN OS .91 FX..
THE PLANE IS A STANDARD 60-91 TWO STROKE OR 90-120 FOUR STROKE...
Wingspan: 63.8 " (1620mm)
Weight: 7.5 - 7.94lb (3.4-3.6 kg)
Length: 50.39" (1280mm)

MY CONCERN IF I CAN PUT IN A GASOLINE TWO STROKE ENGINE 24cc ON IT... ABVIOUSLY REINFORCING THE FIREWALL.. AND WORKING WITH THE CG... WHICH WILL BE MY BIGGEST TROUBLE THAT I WOULD HAVE TO DEAL SETTING AN GASOLINE ENGINE IN IT... THX..

LUIS AULAR