Ran the new Donzi today and it handles and runs great. I ran 3 full IV bags through it to get the engine broke in good. The engine starts easy with no problems. I tested several different props and trim tab settings and after about 12 or more launches, I got it like I wanted it to handle. No gps or tach readings, just breaking in and set-up. For sale for $900.00 without radio or receiver. I will not be making much, I just like to build them.