have mine about half done..have installed a Evolution 33cc engine up front....it's a little tricky,but can resolve the problem....ordered a battery from Radical RC, for the igntion...should be here in a couple of days...going to install the rec'r now.....am taking my time on the plane...it'll be awhile before flying time is here...Damn winter has be long and cold.....have a Stuka and a BF-109 to fly first........