Hi there: I have had my Balsa Bobcat for a few years now with over 300 flights on it. They fly great with a p70, 80 and 120. I have my P120 dialed down to about 114k rpm. they fly and land well. If you are buying the Composite one, I hear they are even better. If the price is ok for you, you can't go wrong with any bobcat.....Gordon Mc and I have had bobcats for years with great success!!!!!