![]() ![]() ![]() The 1400 version is the easiest to fly, more weight and the air can interact better with the surfaces. I have the FMS T 28 in 800mm, the Durafly in 1100mm and the FMS in 1400. The aerodynamic problems arise from the fact air doesn't get smaller. I love the more scale like looks of the FMS birds. ![]() This gives them more of a airfoil profile of an airplane with slats and partially deployed flaps, making them a touch more stable. The PKZ UMs use a flat foam formed wing, not airfoiled. They are more touchy than the PKZ models due to the scale like surfaces. I have learned to do a longer take off roll to counter the torque roll effect, then there is air moving over the surfaces and it doesn't take much to counter it. I think the extra weight probably doesn't hurt one bit. I always flew these with the recommended 2 cell batts 10mah. This is a bit of a misnomer as we feel it takes a bit of experience to fly them well. This is funny because their size alone almost suggests that they would be good for new flyers. From my experience i feel like the 800mm planes really require you to be on your game and fly them down, almost maintaining what seems like an undue amount of throttle. Adversely the smaller planes lose airspeed very quickly causing them to be a handful. This energy is maintained largely impart due to its mass and inertia allowing it to keep its forward momentum. The bigger plane has enough energy to maintain controlled flight due to its forward moving momentum. Part of this again is there so light that the tail drops rather quickly, rather than planing and staying up off the deck until you bleed off speed or input back pressure. Seems like once their attitude has been changed they take over the controls. When you bounce a smaller bird you either fly away and try again or helplessly watch it bounce to a stop. For instance when you let's say bounce a bigger bird on landing you may stall it but you may not. I attribute some of this to their size and lack of mass. The 800mm birds have a tight margin especially for TO and landing. There is also roll and even pitch to take into account. So many forget that there's more than yaw to counteract on takeoff. You are right about the sims and that you may want a little more right aileron trim on take off. Re: FMS 800mm warbirds-why are they so different? Sorry for all the questions, but just trying to learn from those who have more experience! Is there something about a 3 or 4 blade prop that causes more torque roll on takeoff? I went to a 2 blade prop (8圆), and about a 25mm CG from the leading edge of the wing, and now it flies great. Guess that is just one thing you have to pick up from really flying the models.Īlso, which one of this series is considered to be the most docile on take offs and general flying? The Skyraider is the one I seem to have "tamed" and love flying it. One thing I have noticed about the simulators is that they don't replicate take off runs or stalls all that well. Maybe I need to add more right aileron on take off runs than usual? Has anyone else run into this? I have only been flying for less than 2 years, and am completely self taught using Realflight simulator. Don't get me wrong, I really like this series, I have 5 of them now, but I wanted to see what you guys thought. My larger planes, 1100mm and up don't exhibit this characteristic either. My question is, what is it about these that makes them more difficult? I have flown most all of the Parkzone UMs with no problems at all, and the new Flyzone Aircore planes are a delight to fly and not nearly so temperamental. Perfect for fitting in my car without taking wings off.) (Despite the issues I have with these, I love the detail and size of these planes. Once in the air, and with CG correct, they are a delight to fly. Even hand launching often results in a quick torque roll to the left and into the ground. ![]() (see P-51 Mustang Petie 2nd video.) I have also noticed that of all the planes I fly, these 800mm planes are the most difficult to do a ROG takeoff. I have watched all the MRC videos on these, and noticed that Mike has commented several times that these are challenging planes to fly. Hello, I wanted to ask the forum and the Motion RC guys a question regarding the 800mm warbird series. ![]()
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