Please click on Follow, it will help me with my reviews. I put together my first 250 and 450 over the past few weeks. Today I tested the 250 and was happy with the results. Now to add FPV and change a few of the power settings. Most of the parts came from I did add the FrSky D4R-II receiver and connected it by PPM giving me 8 channels. I am using my FS-TH9X Radio that came with my Iris The motors that iFlight-rc makes are just so well built. They are very quiet ,I like it.