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Carl Goldberg Ultimate 10-300 Brotherhood.

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Old 04-21-2018, 07:27 AM
  #2101  
HoverLoW
 
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Default ARF wing mouting style

Hello guys.

I have a CG Ultimate kit to build as my next projetc. I will try to make the upper wing mouting the same way as the ARF version.

Does anyone knows if the kit cabane could be used to do that? The ARF cabane goes a little into the wing and maybe the kit version is a little small for that pourpose. If I have to make new cabane, what kind of aluminum should I get?

If anyone did that, is there some "how to" to be followed?

Thanks.
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Old 04-21-2018, 08:19 AM
  #2102  
vogelm1
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Originally Posted by HoverLoW View Post
Hello guys.

I have a CG Ultimate kit to build as my next projetc. I will try to make the upper wing mouting the same way as the ARF version.

Does anyone knows if the kit cabane could be used to do that? The ARF cabane goes a little into the wing and maybe the kit version is a little small for that pourpose. If I have to make new cabane, what kind of aluminum should I get?

If anyone did that, is there some "how to" to be followed?

Thanks.
I can't speak to how you'd modify the upper wing mount, but as far as acquiring the aluminum (if you'd have to make a new cabane), those strips can be found at most home improvement stores...Lowe's, Home Depot, etc in the same width and thickness. Very easy to bend a new set, as I've done this for a Midwest Super Stinker that had a broken cabane some years ago.
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Old 04-22-2018, 04:10 AM
  #2103  
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Vvolgelm1 you just had to mention a super stinker lo ! I have been trying to make up my mind between getting a cg ultimate ready to fly first or a super stinker that i have stripped and repaired . My cg ultimate is in great shape but the monokote is very brittle from age and i think i am going to have to strip and recover it 😔
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Old 04-22-2018, 05:24 AM
  #2104  
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Originally Posted by tim allen View Post
Vvolgelm1 you just had to mention a super stinker lo ! I have been trying to make up my mind between getting a cg ultimate ready to fly first or a super stinker that i have stripped and repaired . My cg ultimate is in great shape but the monokote is very brittle from age and i think i am going to have to strip and recover it 😔
Tough decision, right? Either plane will be worth the covering tune-up. I have another Super Stinker 'stashed' in my kit collection that's been tempting me for the past couple years. I think next winter it will come off the shelf lol.
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Old 04-23-2018, 02:11 AM
  #2105  
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It's been along time since I posted last.
Finally finished my CG Ultimate and it flies great! Mods: DLE 20, 2 servos in lower wing, upper wing attached with bolts, ele. servoes in the rear, beefed-up N-strut attachment points, beefed-up ribs at outer wing struts, fuel tank moved over cg, alum lndg gear.
If I can figure out posting pics I'll do that next.
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Old 05-16-2018, 04:09 PM
  #2106  
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Default Top wing mount




Hey guys, so I started and that's how I am going to do the top wing mount.

Searching around, I figured out that the easiest way to mout the wind is the Dave Patrick Ultimate way. Only two leaps out othe top wing to atach the cabane.

So my point was doing that way keeping the Carl Goldberg wing joint system. So I came up whit this center rib.

I will let the lips cutting to when I have the fuse framed up and the cabane bolted on to not make any mistakes.

Any thougths about it?
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Old 05-16-2018, 06:13 PM
  #2107  
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that is an awesome solution! kind of like the seagull models one
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Old 05-17-2018, 04:46 PM
  #2108  
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Here is like things are inside the top wing
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Old 05-17-2018, 10:34 PM
  #2109  
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Seems to be OK with those front and rear reinforcements.

From your previuos post and photos,where only central reinforcement was visible, I should have suggested to beef that up with vertical grain webs from #2 ribs to central ones and infill the reinforcement with a solid balsa triangle block so as to not rely only on the CTP triangles.

Now with the front and rear CTP reinforcements between #2 ribs and from top to bottom sheeting I think you have a pretty safe top wing.

Best Regards.

Jesus Cardin
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Old 06-08-2018, 05:32 PM
  #2110  
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You guys are making nice improvements to the old kit! Keep up the good work.

I hope to be flying the pants off mine which i completed back in 1992...it is the last kit I ever built. ARFs just got too good after that. Anyway, I had not been flying it too much the last couple years as the bearings in the original OS FS-120 SurpassE were making the plane sound like a farm tractor in the air. And I have lots of other planes to fly, so the Ultimate just sat and rested. Last week I finally removed the engine from the airframe and tore it apart. Got some new bearings at the local McGuires bearing shop, and reassembled the engine. Looking forward to flying the plane again next week, and much more often after that! Will post some new pics of the old bird when I get her to the field. Jon

PS in the meantime here is a video of the plane from six or seven years ago for the newer members of the brotherhood who have not seen it.

Last edited by maukaonyx; 06-08-2018 at 05:48 PM.
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Old 06-12-2018, 01:08 PM
  #2111  
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I got the Ultimate up for two flights this morning. Sounds strong and flies great with the new bearings in the OS 120 SurpassE. It still flies nice and straight like I remember. I kept throttle up for landings and had two nice ones. Here are two pics from this morning, still looks about the same as the first day i flew it 26 years ago, except for the worn out ABS cowl, which you cannot see well at a distance, lol. Jon

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Old 06-14-2018, 02:12 AM
  #2112  
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Congrats on your old and great Ultimate!

And great honour to have our #01 member back at the thread!

Keep that marvellous plane on fit, maukaonyx.

Best Regards,
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Old 06-15-2018, 05:50 AM
  #2113  
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Jes, i keep up with the thread....just don’t have much to add. But i like what is going on with all the CG Ultimates! It is too bad we cannot get them altogether but we are spread far and wide across this great country!
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