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United States, CA, Palos Verdes Peninsula
Joined Dec 2011
994 Posts
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Tail heavy
So my build came out really tail-heavy and I wanted to see if anyone else had the same. I have the Omega 72g, HS-65MG servos, and using a Turnigy nano-tech 3S 1600 pushed all the way forward inside. I have the Aurora Genesis light kit on it and I'm thinking that adds some tail weight, but I'm still surprised. It looks like I'll need to add at least 2 oz of lead to the nose, if not more, to get the recommended 62 mm CG. I'm not using a spinner cone; that could help a bit, I suppose. Any similar experience?
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Question about KV ratings
So that I understand this right the higher the KV rating the more torque the motor has based on the suggested prop size right? Or is it the lower the KV rating for the size of motor you need for a particular plane using the suggested prop size equals more torque? Trying to figure out which motrolfly motor I want to get for this plane. I fly the 72g torque motor in my 41" Edge and I'm fine with the power the plane has. Thanks everyone!
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United States, KS, Topeka
Joined May 2012
11 Posts
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I am running HS65MGs. Using 1550 3S packs. I couldn't get mine to balance with the 72g Omega. I finally gave up and used the 103g Omega with a APC 12x6 and it works fine. Crazy power. I can take off form a grass field at 1/2 throttle. Just flying around is just above 1/4. Last time I had it out I had the timer set for 6 min. When I got home I had to discharge the packs to get them the 3.8 volt per cell storage charge. Next time I go out I will bump the timer to 8 min and see what happens.
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Everyone likes a video
It was a little windy yesterday so I was just working on take off hovers then landing. I am kind off impressed with video myself.
![]() http://www.rcgroups.com/forums/showt...0#post23008111 |
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No roll at throttle up
I finished my build and have flown the plane six times. I didn't notice any twist using the chopstick/pencil alignment test. When I throw the throttle wide open, the plane stays straight and does not drop a wing. You guys almost talked me out of this plane, but it seems to fly fine to me. Maybe they had a bad batch or something, and I got lucky. (I'm using the 72g motor.)
I did notice that inverted flight needs a fair amount of down-elevator, and there's a whole lot of knife-edge coupling (aileron and possibly elevator too) that I need to mix out. Surprising, because I thought prior reviews suggested otherwise. Also I put the Aurora light kit on it (and it looks exactly like the picture JavaScript posted above). I am finding that orientation is hard to determine at a moderate distance, either because of the plane's color scheme or (more likely) because the light kit emits a bright point of light in a wide angle from each of the LEDs, washing out a lot of the reflected light from the wing and tail. |
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