they stress on the website how they are inovative, and the silhoutte picture doesn't show much of a engien shape at all,...i recon it might even be a lay down engine!
at the worlds in brendale all manufaturers had issues with CG issues, and the heatsink causing traction rolling due to the high mass of weight. they were cutting the heatsinks down...so if i was a designer, i'd be considering lowering the CG of a nitro first thing
im a dead set mugen fan, but xray is the bomb.