OK .. I have another question for the resident guru's. A few years ago I designed and built a control line stunt canard. This aircraft featured not only the working canard but also a working elavon in the tail. The plane has a foward swept wing and was powered by a OS-46LA. The wing area is close to 550 sqin and a weight close to 50oz. (I will attach a few pics at the bottom of this post). My questions are this .... 1 .. what size and how many EDF powerplants should be used? 2. Is there any chart that can tell me the proper conversion from regular glow to EDF engines ... or maybe it is a chart based on wing area and weight vs EDF size?

Eflite has a 46 size rotating motor that should fly that pretty good. I am sorry I don't know the rating but the Eflite 60 can fly a 10lb plane with no problem. The only drawback is the size of the motors. I am not sure how much room you have in the nose of your aircraft...

P. Richards aka Swat Team

You make a good point about the amount of nose room. In the pictures on the orignal post, the plane was the controlline version. The engine compartment was big enough for a OS 46la. Directly behind that was the fuel tank compartment which was close to 4" long. I think I know what you are getting at .... you are looking at that area for reciever and batteries. I think it will be big enough. The fusealage will probably need to be wider to hold the EDF ... so this should add to the room in the nose. Now if I use the E-Flite 46 motor .... what fan unit would you recommend? Also ... the elavon in the back will prpbably have a 1/8" spanner wire that will go through the center of the exhaust. Do you see any problems with that idea?