sheesh.......i bought three of these birds.(yes, coming back and i'm hooked).........maybe i should buy a fourth??

really though, the firewall has plenty of mass for the recommened size engines, and of course there have been guys putting double that as in one of the topics here,

http://www.rcuniverse.com/forum/m_42...tm.htm#4236365

last post on the first page............a 1.20AX for petes sake............and some guys have mounted OS 1.20's and YS1.10's...............no failures.

what i'm really suprised at with your plane Rock, is the cowl........it took me many emails and actually 2 purchases to get perfect cowls (uncracked) for each one i own and 2 spares.
the one i have finished right now was clear coated with Varathane, and that was to get a good gloss finish.