Originally posted by sam51401
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Official Nexa OV-10 Bronco 1800mm ARF Discussion Thread
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Well I have two flights on mine now. On the maiden flight the first take-off attempt was aborted since it seemed that not enough elevator was available. I switched to high rates and it took off fine. A bunch of up trim was needed but once trimmed it flew great. I landed after 4 minutes and the front steering went whacky. Inspection showed that the cable broke. Bigger cable used for the next flight but it dug into the tubing and again went sideways. If you look at how the instructions tell you to run the pull-pull system, you will see the problem. My solution was to move the u-shaped metal rod towards the front of the tube exit and wrap it around back towards the steering arm. This should solve that problem. The wire will eventually cut into the plastic tube with the original routing. I also found that my power set-up is okay but not to my liking. I had to fly at 3/4 throttle to feel comfortable. I'm using E-Flite power 32s on 4s with a MAS 10-7 3 blade prop. I could go to a 5s set-up but will try an 11-7 3 blade next to see if that helps. E-Cal show that set-up will give about 1400 watts compared to the 994 watts the current set-up shows. Going to try a 2 bladed 12-8 for now.
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Originally posted by MikeT View Post
That's pretty much the SOP for most nose wheel pull-pull steering set ups. Straight forward and it works.
Mke
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Originally posted by Kangi1954 View Post
In 15 years in the hobby, this is my first pull/pull. And most of my planes have been balsa. But mostly tail draggers. I’ve also never had twin so that’s new for me too. Always learning.
Mike\"When Inverted Down Is Up And Up Is Expensive\"
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I wound up putting almost 6 oz of weight in the front of the plane. . I might try and put it in the forward part of the nose to see if I can take some dead weight out. What you see in the pic is 4 oz of steel weights. They're bigger than lead weights for the weight but it's what I had on hand. If I go to a servo in the nose as another flier has, I can reduce the amount of dead weight needed. And yes, I was surprised how much was needed but this is a heavy plane all around.
On another matter, I ordered an Xwave retract to see how they are and the only problem I see is that it is not set up for being a nose wheel without modification and having parts that don't come with it. I wonder if Motion is going to offer a nose wheel set-up in this product line.
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I put three more flights on the Bronco today. I switched to the 12x8 2 bladed MAS props to see if I got more oomph. According to ECalc this set-up would provide more watts. I flew for 5 minutes and landed with 20% in the batteries. I'm using 4s 4500 mah on an E-flite power 32. Most of the flight was at 3/4 to full throttle. Below that it doesn't feel like enough power to maintain level flight and doing a climbing turn was doable but not very quickly. My conclusion at this time is the 4s set-up is okay but doesn't leave you with enough power to feel comfortable. The Bronco definitely flies on the wing and is very stable. Even with a good crosswind today it landed straight didn't get blown around, again due to the weight. I'll be curious to hear what other people are using but I'm going to go to a 5s battery. Not only will the power 32s handle it, but the increased KV will spin up those props better. The good thing is I can remove some of that dead weight with the increased battery weight. It was a crowd pleaser today at a multi-club event celebrating AMA aviation day. A few more tweaks to get it where I feel it has enough power for my liking. On a side note, I'm transporting it with the wings attached to the fuselage so I don't have to plug and unplug all those wires into the receiver. I made a cradle for this assembly and a cradle that carries the two booms. The only bummer is that the wing assembly is about two inches too wide to place it in my trailer crosswise. It has to go in sideways but this still leaves me enough room to put another plane on the shelf. The good thing is that with the multi-servo connectors and the EC5 connectors for the motors and ESCs in the booms, it goes together quickly. Sorry I don't have any video but the previous ones posted look just like my flights.
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I balanced mine right side up. There's no way you're going to balance this plane upside down and do it safely. I used a Great Planes balancer and it worked well and held the weight with no problem. I also cycled my gear up and down to see if there were any changes. It stayed the same.
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