Hello BIGDADDY

yes i put robart air in mine had to beef up the formers just cut the ones out that are in there and put in some hard wood blocks pluss you'll have to dremal out the sides alittle to get them to fit but not hard just a little fiddly it now has about 25 flights on her a going good oh i also blocked up the back of the rettracks to give them more forward stans as it help it from nosing over all in all very easy to do

jeff