Edge, Waco also asked about the G-26. I am just commenting on my personal experience on that plane and that engine. I have no experience with the brison 2.4. Undoubtably, the brison (and your fox) is much lighter than the zenoah. If I had one of these two engines on the shelf I would contemplate using one, but I don't. However, my ST 2300 will fit the bill nicely. This plane needs to be assembled as light as possible. If you can do it with a gasser, fine.But your NOT going to do it with a G-26.