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1.20 Edge Review, the beginnings - 3/2/2005 4:53:51 AM   
Tired Old Man


 

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Tom gave me a call a few days ago and asked if I would be interested in performing a kit review for the new 1.20 sized Edge. needless to say, I was reasonably excited to be considered for the opportunity and told him yea. The down side is that I'm in the middle of another project for a kit review and I will have to enlist another of the areas club members that I trust completely to do the building.

In further conversations with Tom, it was noted that this particular plane had originally belonged to someone else, but it had received some of that cursed UPS freight damage in the shipping process, which the new owner didn't feel the need to deal with. That's very understandable. I agreed to make the necessary repairs if they weren't too invloved, and the plane arrived on my door step today, Tuesday the first. Lucky me, they are pretty minor. 2 hours work at the most, and most of that in hiding the cuts I will have to make in the covering on the bottom of the wings to repair some sheeting damage.

Opening the box and my first impression was WOW! That's a good looking plane! Taking the parts out of the box and is was lighter by far that I thought it would have been. Speaking of the box, it comes in a box almost exactly the size that the 28% planes arrives in.

I noted that almost all the hinging had been done by the original owner, and that the tail wheel assembly had already been installed, making the assembly process that much shorter. This is going to be a quick build! The hardware package that is available for the plane is the usual high quality parts that you would normally purchase yourself at the local hobby shops. Pretty good deal, IMO. I just love one stop hobby shopping!!

I took a couple of pictures to get this started. I will be giving the plane to Bill Simunek of the Mountain R/C Flyers to do the assembly work so it can get out to the field sooner that it would if I performed the assembly. I will be following the process closely and will be flying the hooters off of it before passing it along to the club member. More to follow as the saga continues...

Pat

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< Message edited by Silversurfer -- 3/2/2005 4:59:46 AM >


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RE: 1.20 Edge Review, the beginnings - 3/2/2005 6:32:32 AM   
ben beyer



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Have you decided on an engine?

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RE: 1.20 Edge Review, the beginnings - 3/2/2005 10:09:38 AM   
blue ice


 

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quote:

ORIGINAL: ben beyer

Have you decided on an engine?

You read my mind. Think a YS110 would be a good choice for the Edge or a little to small?

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RE: 1.20 Edge Review, the beginnings - 3/2/2005 1:14:13 PM   
rctom



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Clarifications;

The box IS one for a 28% plane because I shipped it with the rudder attached, normally it will ship in a smaller box.

This is the plane I used for pictures so I did a lot of the assembly work already, it does not come already hinged and with tailwheel or rudder attached.

Yes it is very light. I think a YS 110 might do the job nicely. Moki 1.20 would be slight overkill but acceptable. Many people have said they plan to use OS 160.

TF


TF

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RE: 1.20 Edge Review, the beginnings - 3/2/2005 2:28:27 PM   
Tired Old Man


 

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I thing that a YS 1.10 would be an EXCELLENT choice for the plane. A 1.60 would be too much. As I mentioned to Tom yesterday, the plane would likely fly ok with a strong .75, but a .90 would be a better baseline choice.

Of course, more is always better as long as it doesn't add more and more weight. I'll be posting some fuselage interior pics later today.

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RE: 1.20 Edge Review, the beginnings - 3/2/2005 3:19:57 PM   
SunShyne



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thanks for the update Pat, looks like winner. I am still in awe of the fact that a 73" wingspan 1/4 scaleish airplane can be flown with a 1.20 sized 4 stroke! I have had several 1/4 scale airplanes and all of them have had the 1.60fx and peformance was good but never great. This is a great accomplishment if it turns out to fly well on the YS 1.10

matt

< Message edited by DiabloKid -- 3/2/2005 3:58:35 PM >


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RE: 1.20 Edge Review, the beginnings - 3/2/2005 3:45:45 PM   
Tired Old Man


 

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Fuselage Interior Views

As you can see, the type of construction is very similar, or the same as the 28% planes. This one seems to be a lot lighter in weight on a proportional scale.

The area where the gas tank will be located will have a floor of either balsa or ply for it to rest on. I haven't decided on that part yet.

Looking at the bottom of the engine mounting box and you can see a real nice touch for those that like to, need to, or want to, mount their throttle servos up front. A servo cut out on both sides of the box. That's kinda neat cuz it should cover the throttle servo location for either a 2 stroke or a 4 stroke engine. For those that want to use a small gasser, it alos provides a choke servo location if desired.

There is a lot of room for the radio gear inside the fuse, and once again a cut out has been provided for a rudder pull/pull installation.

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< Message edited by Silversurfer -- 3/2/2005 4:07:26 PM >


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RE: 1.20 Edge Review, the beginnings - 3/2/2005 3:55:03 PM   
Tired Old Man


 

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More Fuselage

Just a shot of the stock tailwheel installation, but a good view of the area behind the firewall looking forward.

The rudder on this plane should be extremely effective. Nice and large.

I thought a better overall view of the interior of the fuselage may help, so it's included here along with the view of the wing tube installation.

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< Message edited by Silversurfer -- 3/2/2005 4:15:38 PM >


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RE: 1.20 Edge Review, the beginnings - 3/2/2005 3:59:34 PM   
Tired Old Man


 

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One More Fuselage

This shot looking at the side of the fuselage shows all the cut outs for the aileron wires (still covered with Ultracote) and support locations for wing retaining screws. As you can see, it's about the same arrangement as the 28 and 35% planes.

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< Message edited by Silversurfer -- 3/2/2005 4:19:13 PM >


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RE: 1.20 Edge Review, the beginnings - 3/2/2005 6:08:49 PM   
Tired Old Man


 

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Engine Choices and Radio

For those interested, the engine that will be used in this plane will be one of the following;
1) Super Tigre 2300
2) OS 1.20 four stroke (an older one)
3) Super Tigre .90 (also an older one)

I will be using a Great Planes 1.20 to 1.80 adjustable black nylon engine mount.

These are the glow engines that we still have laying around. The only others that I have in the shop is an MDS 1.48 and a Moki 1.80. Both of which would be a lot of engine, but weight wise on a par with the ST 2300.

For the radio installation I'm going to go with a very basic 6 channel transmitter, a JR 631, so I can get a feel for the plane as it would be set up with an entry level 6 channel radio system.

Servos will be some of the original release Hitec 5945's that haven't been in use for awhile. If I was into spending a little more or running out to the hobby shop at the moment I would consider some mini metal geared digitals for everything except the rudder, and a 56xx series digital would be good choice there. I also can't see any reason why any good standard servo couldn't be used anywhere except the rudder. A metal geared servo should be used in that location, IMO. It's a very light plane and the servos that come in the box with any radio should work well.

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RE: 1.20 Edge Review, the beginnings - 3/2/2005 9:41:56 PM   
aegis


 

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Silver - I have a just rebuilt YS 120AC with no home. Sounds like maybe it would be a good match for sport aerobatic flying. I'm surprised standard servos would do the job (except for the rudder). I was thinking the size of the surfaces would require something a little more. I'm looking forward to hearing your impressions of the finished plane.

Dan

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RE: 1.20 Edge Review, the beginnings - 3/2/2005 11:50:39 PM   
Tired Old Man


 

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There are a couple of reasons I think standard servos would work out. I'm not saying they would be the best choice by any means, but would work for someone on a limited budget.

1) It's a very light plane
2) An Edge doesn't need to be flown fast to perform well. Especially a light one.
3) Flutter will not become an issue if the speed is kept down and surfaces are gap sealed along with having tight linkages.

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RE: 1.20 Edge Review, the beginnings - 3/3/2005 12:23:24 AM   
ben beyer



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I'd go with at least a Hitec 635, but that's just me.

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RE: 1.20 Edge Review, the beginnings - 3/3/2005 1:23:35 AM