I recently posted about my Sig Jenny build, I replaced the stock 180 motor with a Rimfire 28-22-1380 brushless outrunner motor which I had to make a custom motor mount. I reinforced the firewall with 1/4" balsa that I epoxyed to the firewall, then I cut small pieces of plywood that would give better support and added strength for my motor mount. I then used a carbon fiber rod and cut it into 3 sections with one rod being longer so I would have some added downthrust and also one rod was placed farther out on the right side for right thrust. Then I used a threaded rod, cut it into three sections, and epoxyed them into the carbon rods. After everything dried, I bolted up my motor, and cut the coweling for a nice fit. So thats where I stand, my electrifly esc should be ariving in the mail, so after I have that hooked up she will be flight worthy! Bellow I have pics so tell me what you think and if you have questions about anything I'll be more than happy to help.