Go and talk to Scott at www.brielli.com. He has a 42cc w/ei for $300.00 that will fly that plane very nicely, he also has a 46cc w/ei that weigh's the same as the 42cc for $340.00. His 46cc with magneto cost only $240.00 and puts out almost 30lbs thrust. Even with the magneto the 46cc in only 4lbs 6oz. I have three of his engines and all three are very good engines. The craftsmanship is superb and the power of these engine is every bit as good as those higher end models. Scott will also give you the best customer support you will every get from anyone.