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SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

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Old 12-20-2004, 09:03 PM
  #1  
jongurley
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Default SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

Hey guys I am starting this thread of me and my uncle building his 1/3 scale Christen I will be posting periodic pics on building,, so far the ARF was packaged great and it looks awesome, the decals and instructions are all great,, so anyway here are some preview pics, of the plane, the inside were you have the option of servos in the tail or in the fuse, and a pic of my cousin who is 10 years old to show the scale of it, it is a good size bipe,,,,are going to start building heavy in the next couple of weeks thru christmas if anyone has any questions feel free to ask,, here are some pics of the bottom wing joined and bolted on and a pic of the inside of the fusalage, the only problem so far was (they informed us in a special warning sheet) that the wing dihedral was not right from the factory, we had to sand alittle off of the inside of the wing so that when the left wing was laid flat the right wing tip was
1 3/16's off of the table, this was a minor problem but you have to get it perfect so that the cabane struts will bolt up perfectly,, anyhow i will keep everyone posted,, any comments are welcome,,,
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Old 12-21-2004, 06:41 AM
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flash18
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

What engine do you plan on using? Putting servos inside or outside and why? I am hoping Santa brings mine..... I have the Saito 180, Pitts smoke muffler, and flight pak with digitals. Going to install my Skywriter smoke pump too..... Happy holidays and be prepared for some questions .... Jon
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Old 12-21-2004, 07:44 AM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

Let me know how the cabane and wing struts line up
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Old 12-21-2004, 12:11 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

Well we are planning on using a Quadra 35 to start off with, we hope it will be powerful enough and the servos are going into the tail for weight because of the Quadra 35,,,, and MinnFlyer the cabane struts are slanted outward, looking at the front of the plane the they are slanted farther out at the top probably about a 1 3/4" outward, we don't know if this is how they are supposed to be or not we just noticed this this morning so,,,,,
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Old 12-21-2004, 12:21 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

This seems to be a problem they are having...

The rear cabane struts should be vertical, and the LE of the top wing should line up with the firewall. but with the wing in that configuration, the struts don't line up.

Do me a favor, attach the top wing to the center cabane the way I described (Without the end struts) and then see if the end struts line up.
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Old 12-21-2004, 05:30 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

I don't think they would line up any way Minnflyer, I will try that later on tonight but it is a matter of left to right not forward or backwards, if we looked at it right, the cabane's should mount to the top wing right thru the servo box lid, are we right,,,,,,,,
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Old 12-21-2004, 06:24 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

On that model of Bipe the inter-plane struts are meant to angle out about what you describe. I built a Lanier Ultimate pits, and they did the same thing.

If I get what you are saying, if you look at the plane from the front, the outer wing struts are angled out at the top, right, if so that is correct!
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Old 12-21-2004, 09:45 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

have you check the wing ind. i had to move the aluminum pieces arond a bit to get the proper ind.
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Old 12-21-2004, 09:51 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

another quick note; i'll be using a saito 150 with smoke. i plan on using a pull-pull on the rudder and mounting the elevator servos in the rear of the fus. i hope to have the plane togher by the end of jan.
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Old 12-21-2004, 09:56 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

Yes they do angle out at the top, We also have the rudder servo inside for a pull pull, and elevator servos on the outside, we are in the process of mounting the engine box, etc, I will have updated pics in a hour or so,,,,
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Old 12-21-2004, 10:53 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

Ok. guys some pics, here are some pics of the engine the Quadra 35, we have had this engine for along time and we hope it will pull it ok. The servos mounted neatly in the tail, but we are attempting to mount the Quadra with the radial mount which has become a problem, could standoffs be used or what,, anyway what are you guys opinions about the mounting situation and do you guys think the Quadra 35 will have enough power to fly the bird?????????
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Old 12-22-2004, 05:52 AM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

Your servo setup is the same as mine. And the 35 should be plenty of power. You may have to put the battery in the tail to balance.
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Old 12-22-2004, 11:35 AM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

If you need stand offs what I have used in the past on that size of motor is 1" hard wood dowels drilled out to fit the mounting bolts. As long as you don't need to go longer than a inch or two it will work. Mount your bolts through the dowels.

How is that Quadra radial mount mounted to the engine? It looks like you might have to work something else out because the mounting bolts are on the side of the motor, not the back.
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Old 12-22-2004, 05:09 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

The mount has two bolts on the bottom, but it has 4 going on to the back as a square so the standoffs should be like any other engine in a square,,,,,,,,, so
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Old 12-22-2004, 05:59 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

Make sure you use some locktight, because of the vibration and heating and cooling of the motor, and the longer bolts going directly to the firewall they could have a tendency to back out.
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Old 12-23-2004, 05:57 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

We are going to try the radial mount first, but if that is to hard we will use some dowel standoffs as plan B,,,,,
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Old 12-25-2004, 05:01 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

Santa is the man!!! Wings are together, bottom wing with the correct setting..... I am at the point of putting on the fiberglass cover on the lower wing and it is way off on the bends.... try heating it up to get more??? It is nearly flat and I am sure that it will not hold if I glue it with lots of tension on it.
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Old 12-26-2004, 09:19 AM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

We should have plenty of time today to work on the Eagle it has snowed like 5 inches here in easter North Carolina,,,,,,,,,,,,
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Old 12-26-2004, 04:28 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

This was todays progress. The model goes together pretty good, great job on the covering and decal application.
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Old 12-28-2004, 06:09 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

WOW, thats a great looking airplane. How is the build going?
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Old 12-30-2004, 07:41 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

Hey guys here is the latest we had abunch of trouble using the Quadra radial with the stock engine box, so we did away with it, and made this extended new firewall, we fabricated the new mufflers to turn down and look stock, now we have to hook up linkages and kill switch and that is about it for the engine, next will be the hinges and putting control horns on, when that is complete then is the radio setup and won't be far from the first flight,,,,
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Old 12-31-2004, 09:35 AM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

That look like it should work.
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Old 12-31-2004, 09:49 AM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

Theoretically ,,, The servo mounts right behind the extended firewall and only a 1-1/2 inch pushrod is need to work the bell crank throttle arm, it is easier to set up this way also,, you have more room to work with,,,
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Old 12-31-2004, 05:38 PM
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

That setup looks good. Because the dowels are not directly mounted to the motor they should hold up very well. I have done the same thing in the past with no problems. Also the large mounting area gives the motor good support and will help reduce vibration. Good luck with that
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Old 01-01-2005, 06:00 PM
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flash18
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Default RE: SKYSHARK RC, CHRISTEN EAGLE II ARF BUILD!!!!

Put in the Saito 180 and Slimline Pitts Smoke muffler today, mounted the servo as suggested on the engine mount "box"...... started the break in procedure and my battery died in the remote starter, will continue tomorrow...... Hope to fly next weekend....
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