OMP Edge 540 ARF Control Horns  
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All Forums >> RC Airplanes >> Profile and Fun Flying Planes >> OMP - Ohio Model Products Support Forum >> OMP Edge 540 ARF Control Horns
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OMP Edge 540 ARF Control Horns - 10/6/2007 1:34:27 AM   
150flyer



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I just received my new Edge 540 ARF. It has carbon fiber control horns that would seem to install by gluing them into a notch of some type on the control surfaces. There are no notches I can find. There is no mention of installation on the DVD / CD instruction disc and the plane used in the manual have conventional control horns. Has anyone installed these carbon fiber horns? If so, could you give me some installation details.

Thanks

< Message edited by 150flyer -- 10/6/2007 1:36:29 AM >
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RE: OMP Edge 540 ARF Control Horns - 10/7/2007 6:45:00 AM   
Kenny



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I am confused about those C/F control horns also . I was thinking of replacing them for the traditional style.

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RE: OMP Edge 540 ARF Control Horns - 10/7/2007 7:42:51 AM   
150flyer



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I went ahead and used regular control horns. The plane has been very easy to build except for getting the tail servo wires through the fuse. There was gorilla glue that expanded in the servo wire channel. I thought I was going to snap the string while pulling them through. Had to splice extra servo wire since the channel was to small to get a connector through. The plane seems pretty nice but there are several sloppy details like no instructions on the supplied control horns, servo wire channel issues and tons of wrinkles in the covering to iron out.

< Message edited by 150flyer -- 10/7/2007 7:46:16 AM >

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RE: OMP Edge 540 ARF Control Horns - 10/8/2007 4:38:28 PM   
ryanofoz


 

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Anyone figure this out? I am in the same position. It does not look right?!?!

I guess I am going ot buy new ones but mabe somoene needs to let them know?

Also, there are some random parts that were missing from my hardware. Seems poorly put together.

< Message edited by ryanofoz -- 10/8/2007 4:39:45 PM >

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RE: OMP Edge 540 ARF Control Horns - 10/8/2007 8:09:21 PM   
buildflycrash



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I just helped build one of these.
use sharp knife, cut small slots
gule'em in. they work well
I would use them on everything EXCEPT elevator.
That most vital surface I'd want somthing that screwed thru the surface.

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RE: OMP Edge 540 ARF Control Horns - 10/8/2007 8:22:45 PM   
ryanofoz


 

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Why would they send that for a control horn though? It makes no sense. All their pictures show normal ones...

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RE: OMP Edge 540 ARF Control Horns - 10/9/2007 2:27:24 AM   
Kenny



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Another gripe I have is the carbon fiber rods that go through the left wing are not long enough to make it through the hole. Only the beveled tip makes it in half way, so I had to epoxy some popsicle stix to the rib to make the hole deeper. I'm starting to wonder about this ARF.

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RE: OMP Edge 540 ARF Control Horns - 10/9/2007 4:43:37 AM   
150flyer



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I think I'm just going to epoxy my wings into place and gorilla glue the carbon fiber rods at the rib. I can't see the need to ever remove the wings for transport since it would be necessary to remove the hatch, receiver and battery to get to the wing bolt. The wing seems to flex at the fuse even with the wing bolt tight. I believe gluing everything together would really stiffen things up.

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RE: OMP Edge 540 ARF Control Horns - 10/9/2007 5:44:11 AM   
Kenny



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I agree about the flexing. That's too bad because I wanted this plane for the removable wings so it would fit easier in my honda civic. I will just have to glue them solid and deal with it.

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RE: OMP Edge 540 ARF Control Horns - 10/10/2007 1:59:04 AM   
150flyer



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I made the first flight on the Edge 540 today. I quess you can say it was worth all the build trouble because the plane flew great. I am using an OS .55 AX with an APC 13 x 4W prop. It hovers at half throttle with tons of pull out power. This was by far the easiest plane I have ever hovered. I set the CG at 5 inches which is recommended as the aft most position. It worked out well with inverted flight requiring no down elevator and landing was still normal.

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RE: OMP Edge 540 ARF Control Horns - 10/10/2007 2:22:21 PM   
AFSalmon



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Guys, this plane has been well proven through very hard testing and a long history. First off the CF horns are a late addition and we'll make additions to the manual to address. The CF horns are really simple to install, even a caveman could do it. Geez, all you have to do is cut a small slot at the proper location and install with CA. I like to roughen up the cf mounting area with a little sandpaper first to help the glue hold. Don't use kicker as this makes the CA brittle.

The servo wire tunnel is plenty big enough for servo connectors and extensions. Ok, some of the ARFs might have glue that is blocking the tunnel but this is a profile guys. You have two choices, either run the wires inside the fuse or run the wires outside the fuse. Given a fuse that is 3/8" thick inside the sheeting, believe it or not........there is a chance during assembly that glue will get into the channel. I've been able to clean out obstructions by pulling a flexible nyrod through the tunnel with a screw in the end of the nyrod. Put a washer under a 2-56 screw and screw into the end of the nyrod and pull through. Another common mistake people make is not taping the servo connectors to prevent the sharp plastic corners from snagging the inside walls.

As far as covering these ARFs are covered in geniune Ultracoat and you complain about a few wrinkles? Geez, take one of your planes, tranport it across the world, expose it to a wide variety of temperature changes and tell me if you don't have any wrinkles. With any ARF, does not matter who produces, you MUST go over the covering with an iron to assure no edges are loose and all wrinkles are eliminated. That's the first thing Aeroworks tells it's customers to do on their giant scale planes and I gladly did this on my 35% Yak without question. This is simply the nature of the process guys.

There is NO issue with the wings flexing a little with the fuse. Trust me we have flown this plane hard including full speed blenders (officially not recommended) and there is no issue. Assemble as instructed and you won't have any issues. Of course with this model, you have the added option to permanently glue the wings on but that is your choice. Personally I never take mine apart either but I like the option to remove the wings for repairs. Makes it much easier.

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RE: OMP Edge 540 ARF Control Horns - 10/11/2007 5:29:48 AM   
150flyer



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Let me say I've put about about 10 total flights on the plane so far and I really enjoy the flight characteristics. My complaint was that there were no instructions on installing the new horns. I have built dozens of planes to date including a few OMP Profiles and this was the first time I have seen this type of control horn. A small update sheet would have been nice but it was easy enough to install a more conventional horn.

The extra glue in the servo channel was another story. For the price of this model, the wires should just slide through. The sloppy glue job added considerable time to what should have been a fairly quick build. I know a "caveman" could have done it faster.

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RE: OMP Edge 540 ARF Control Horns - 10/11/2007 1:01:04 PM   
AFSalmon



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Honestly Russ we are all very spoiled with the price of these ARFs. If you think they are cheap to produce I'd challenge you to duplicate. Trust me I've been producing kits here in the US for a long time and ARFS overseas almost as long. You paid probably $150 for this ARF and by any domestic calculations that is a steal. It costs about $60 to produce the kit in the US, probably cost you 40-60 hours to build and cover (how much is that worth), 10 bucks worth of glue, 20 bucks worth of hardware, and probably 30 bucks worth of covering. You do the math. I don't think there is any sloppy work in these ARFS and we get comments and emails constantly on how great this plane is compared to other profile ARFs out there. Yeah I know I'm biased but I just speak my mind.

< Message edited by AFSalmon -- 10/11/2007 1:03:24 PM >


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RE: OMP Edge 540 ARF Control Horns - 10/11/2007 1:42:59 PM   
150flyer



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OK Mike, I'll let it go.

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< Message edited by 150flyer -- 10/11/2007 4:43:28 PM >

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RE: OMP Edge 540 ARF Control Horns - 10/13/2007 4:45:20 AM