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Ar6255
I am usng the Spektrum 6255 carbon receiver with a DX6i radio. I have it velcroed in the tray behing the wing bolt on the bottom of the fuse with the antennas out the sides like whiskers. I currently do not have an issue (only 3 flights). Cliff at atlanta Hobby recommended it and he has been flying carbon sailplanes and hotliners forever. By the way I made a killer firewall and she is back in action. It was a pain in the A__ but it came out perfect and it is rock solid. I would rather they leave that part to the builder and just supply the firewall. Many other hotliners have that option. Darn thing glides forever but I am lucky with the perfect sod at GMA. You can land hot and she skates so smooth on the grass. I have strong weaved clear tape on the bottom and she is like glass.
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Hey guys,
Thanks for the RX replies. I installed a AR6000 Sport receiver. I drilled a small hole out the side of the fuselage and let the short antenna poke straight out there. The longer 9" antenna is going to go out the top of the fuselage, just aft the the wing, and up through a plastic tube to keep it up off the fuselage top. I think this will give me good reception, just need to mount that tube in the top and she's about ready to go. My last real issue to deal with concerns the topic of Flaperons vs airbrakes. On my first one, I went with the airbrake idea. I had a switch, when thrown, would bring both ailerons up and kill a lot of lift. That's actually how I lost it. I popped them up while too high off the ground, got slow and she spiraled in. I had been fine with it for nearly a year, but one mistake cost the plane it's life. I have never used flaperons, so don't know much about using them. For this type of setup, which one is considered the better to use? My flying area is large enough to fly, but landing area isn't the best and I really do want a way to slow it down/reduce the landing slide. Any info about this will help me wrap this build up. She came out great, nice and strong...and straight. That big honk'n AXI is dying to run again. Thanks guys, Ken |
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Hey CSI
From limited knowledge I believe Spoilerons are best for wings with the ailerons on the far edge of the wing and Flaperons are good for Ailerons on the inside half of the wing. If Flaperons are deployed with wings with a Aileron on the outer portion it can instigate a tip stall. from what I understand. This I believe why flaps are on the root half of the wings. hope this helps OH make sure you dial in some elevator mixing and trial at a 2 mistake height just in case. |
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Ken, I agree with the last 2 posts....Flaperons can be a gamble when they are outboard. Just wrung her out for 2 flights at GMA. I threw everything at her on high rates and she was rock solid. It was windy and she was pretty hot. Much more than last time when it was calm. She thermals ok...but not a floater, nor is it intended to be. She will glide nicely on low throttle. She lands so nicely and tracks like an arrow. I have not used any spoilerons or flaperons as I have plenty of room for approach. I love this plane and the setup is really nice. I feel much better with my own firewall.
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Hey everybody,
Thanks for the responses about the flaperons. ?I had a feeling is would be the spoilers I would need to use, but wanted more info about the flaps. Looks like I will be using the ailerons with some up spoiler action, same as I did on my first one. This time, however, I will be sure to add that down elevator into the mix! I didn't use a radio that could do that on my first Siren, so this should help me keep her flying well. Might be this weekend if the winds will hold down. Thanks again.................. Ken |
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Yeah, launch with your elevator mix % setting ready to be set, then deploy spoilers at speed and altitude, and adjust the mix until the model still flies at a good speed hands-off. Then you can adjust this (approach speed) with regular elevator input when needed.
I installed (real) flaps into a fellow modeler's Siren wing. At least I seem to recall it was a siren wing. I think I even posted a thread about it here.. ..a |
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Yeah, like this: https://www.rcgroups.com/forums/showthread.php?t=926761
..a |
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He put it up for sale a short while later: https://www.rcgroups.com/forums/showthread.php?t=972752
..a |
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My siren died yesterday. I was banked over going around a corner about 30 feet up at medium speed and all at once I had no control. I had just enough time to say "I aint got it" and it smacked the ground knife edge. The wing is now a 3 piece unit, the elevator is snapped in half, the fuse is broke mid way between the wing bolt and the tail. Its broke in several places around the fuse opening also. I was just getting really comfortable with the plane too. I guess its time to look for a replacement of some kind. I am kind of thinking Enigma http://www.espritmodel.com/enigma-hotliner-arf.aspx
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Good choice....she has flaps which makes landing with Crow a cinch.
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Andy, I should have done this from the start as you suggested. I have been landing the Siren now for 15 flights with no Spoilerons. As I stated before I have a lot of room to accomplish this with no problems at all. However, I dialed in 40% spoilerons on my DX6i and opened the mix for elevator before I hand launched and assigned it to the Spoileron switch. I first put in 10% of down on the DX6i to start with. I almost nailed it perfectly by eye....during flight I engaged the spoilerons and she dropped just a little. So I just moved the scroller one more click (as I was in the mix mode) and she leveled out. Final mix was 9% down elevator with 40% Spoilerons. I flew a little high and slow with spoilerons to check stall charactersitics and I did not experience anything unstable. Disengaged the spoilerons and proceeded with my high speed dives and on final approach for landing I engaged the spoilerons once I lined up the runway. WOW!!!! No bad tendencies, very stable, she just descended and landed with HALF the distance than before. She just kinda stopped once she skidded on the grass. Without the spoilerons she would skid 30 yards or so. This plane rocks!!!!!!
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