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162" Art Scholl Super Chipmunk

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Old 04-01-2011, 02:24 PM
  #76
All Day Dan
 
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Default RE: 162

Kelly, nice job on those hinges. Your testing is called destructive physical analysis or DPA. It's a very common method to qualify a part for use in the aerospace industry. Byron used to use brass tubes to extend all their Robart hinges in their designs and it worked out well. It should further your confidence in your testing. Dan.
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Old 04-05-2011, 01:05 PM
  #77
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Default RE: 162

My power plant came in today.
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Old 04-05-2011, 02:51 PM
  #78
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Default RE: 162

Beautiful engine! Which brand/model is it?
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Old 04-05-2011, 04:11 PM
  #79
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Default RE: 162

It's a DLE 222. I bought it used at a good price. It's had about 1/2 gallon of fuel thru it.

Hope it stays together.
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Old 04-10-2011, 05:27 PM
  #80
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Default RE: 162

Today I had company over and we brought it outside to put her in one piece. Still a long way to go.

No I'm not mad, just squinting in the outdoor light.
Kelly
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Old 04-10-2011, 05:48 PM
  #81
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Default RE: 162

Here's a few build pics. The first two are ofthe left elavator. I have the servo mounts in. I decided to mount them the easy way rather than hatched. Being the over weight plane will need inspecting more frequently. This would be faster than a hidden hatch.

Last pic is of the rudder try in the rear. This is only for "if needed." I would rather have them in the cockpit area with pull/pull so they would be easier to inspect. The rear tray is for if tail weight if needed. I've read that a lot of Chipmont come out nose heavy because of the long nose. With the 222 up front this my make the problem worst. Anyway justt planning for either senario.
I will get some pics of the rudder setup maybe tomorrow. This week I will be working on hinging the elavators.
Later,
Kelly
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Old 04-24-2011, 05:00 AM
  #82
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Default RE: 162

Very nice.
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Old 04-24-2011, 02:09 PM
  #83
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Default RE: 162

Thanks Tony, The build is going slower than I want it to but it is progressing.

I will post more pics soon.


Kelly
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Old 04-26-2011, 02:26 AM
  #84
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Default RE: 162

Funny thing, same happens to me when the build approaches the painting session.
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Old 05-05-2011, 07:59 AM
  #85
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Default RE: 162

Hi! Awesome build. I scanned through the thread and didn't see if you are going with retracts or fixed gear. Retracts on a 60 pound model would be something else!
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Old 05-05-2011, 02:46 PM
  #86
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Quote:
ORIGINAL: dave_anderson

Hi! Awesome build. I scanned through the thread and didn't see if you are going with retracts or fixed gear. Retracts on a 60 pound model would be something else!

Thanks Dave, I'm building the retract version but with out retracts.

I planning on building my own Oleo struts. I already have the materials just waiting to get to that point.

The N13Y was a single place (smaller canopy to pull) and had no flaps. (less to build and 4 extra $100 servos not needed.)
Do to me not see every angle ( hard to on paper) I put the wing tubes in the middle of the ribs. Now putting in retract would be out of the question if i ever decided to install them in the future. Live and learn.[8D]

I'm trying to keep this plane cheap!

Right now I'm working on getting my Corsair wing back together so I can sell it to pay for more Chippy parts. that means the Chippy is on the wall rack for a few more weeks.
Kelly


PS I'll be on Vacation next week. Took off for The NALL, but being my wife got rearended last weekend by a ditzy 23 year girl on a cell phone, My long distance van is totaled. Can't afford to drive the truck.[>:]
So I will get a chance to work on airplanes!!!
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Old 05-05-2011, 09:11 PM
  #87
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Default RE: 162

Can't wait to see the details on the homemade oleo struts - that sounds to me like the sort of overcomplicated DIY job that I just dig!
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Old 05-06-2011, 03:46 AM
  #88
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Default RE: 162

Kelly,

What a great build! Gotta give you credit.

I actually meet Art Scholl, many years ago. In fact he signed his brochure, which I had. I have it inside a book someplace?

I remember the cover, it had all Art's toys, cars and aircraft, lined up in a "V".

I'll see if I can dig it up.

Charles
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Old 07-21-2011, 02:24 PM
  #89
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Default RE: 162

Hey guys, just to let you know I haven't forgot this thread/ project. I did take a couple months off, but now I've been back at it for a couple of weeks.

Sorry I don't have any pictures. My computer is down. I am on my neighbors comp.

The hor. and vert. stabs are sheeted and the hinges are done. The bottom of the fuse is now sheeted and I have made a fiberglass hatch to give me access to the rudder linkage. I'm working on the wing fillets now. She's really starting to get big!

I have been taking pix as I go, so as soon as I can get them up I will.



Kelly
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Old 08-22-2011, 01:51 PM
  #90
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Default RE: 162

Kelly,

what are you going to do for the cowl and canopy?

i'm interested in building the same giant Super Chipmunk and want to help you and myself.

let me know if you are interested?

Naz
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Old 08-23-2011, 03:47 PM
  #91
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Default RE: 162


Quote:
ORIGINAL: Naz44

Kelly,

what are you going to do for the cowl and canopy?

i'm interested in building the same giant Super Chipmunk and want to help you and myself.

let me know if you are interested?

Naz
Hey Naz, Right now I 've been talking with Fibertech and More. I'm still going to build the plug but will let them pull it.

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Old 08-25-2011, 10:08 AM
  #92
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Default RE: 162

Kelly,

the plane looks awesome and can't wait to see more photos.

thanks for the thread.

Naz
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Old 10-27-2011, 04:13 PM
  #93
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Default RE: 162

Ok Guys, I've finally got back online, so as promised, here are a few up date pics. I will try to get a few pics outside in the next day or so.
Kelly
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Old 11-14-2011, 06:13 PM
  #94
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Default RE: 162

OK guys sorry for the slow pix, I've finally decided which way to go on the wing fillit. I glued 1/32 ply to the wing saddles tonight. More on that later.

Also worked on the bottom elavator hinge line. I almost have them both to the same stage now.

I've been useing some glue from Vogalsang Aeroscale, man this stuff is amazing. Wish I would've had this stuff from the start. You can unclamp it in 5 minutes. Much faster than Titebond III.

Also shown is my 7" wheels. Still haven't got use to the size of these babies. However I will have to make some new center hubs/bushing for the rims. The stock ones wear out fast.



Kelly



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Old 11-17-2011, 05:56 PM
  #95
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Default RE: 162

I think I've decided how I'm going to do the fillets. Nothing glued yet. I'm going to have to sand down the wing hold down reinforcement block just a little to clear. There will be an extra 1/8 lite ply former between each 1/4 L/P one. so far so good.


I also started the cowling plug tonight. I've never done this part before. So I hope I'm doing it right. I having a hard time finding the best tool to cut along the formers with. I wound up using a hacksaw blade and then truing it up with my trusty rasp.


Kelly
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Old 11-18-2011, 08:05 PM
  #96
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Default RE: 162

I think I have found something that may make the foam easier to cut/shape. After watching a few youtube vids I came up with this. I took my copping saw, installed a wood insulator in one end. I ran a piece of uncoated pull/pull cable to the ends. I can use my 1amp motorcycle charger on 6 or 12 volts to run the cutter. Tests are looking good.


Here are a few pix done the hard way. It's 18-1/2" tall right now and it will get another 4 to 5 " added to the bottom.
that's all for tonight.
Kelly
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Old 11-18-2011, 10:48 PM
  #97
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Default RE: 162

I see the gear is in place - how did you mount it? Did you build the oleo struts you talked about?
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Old 11-19-2011, 05:20 AM
  #98
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Default RE: 162

Kelly you are pretty clever with the coping saw, good idea. How is it working for you?
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Old 11-19-2011, 07:42 AM
  #99
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Default RE: 162

Looking REAL great.
Have 14hours air experience time in a RAF Chippy back in the earliy 70's... I was 13 years old at the time!
Full package, seat parachutes, old well used, canvas masks with throat switches... brilliant.

One thing that does come to mind... your engine. It's huge... on power.
In europe they're flying real big scale planes on less engine.
Any thoughts?
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Old 11-20-2011, 06:09 PM
  #100
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Default RE: 162


Quote:
ORIGINAL: flyguy

Kelly you are pretty clever with the coping saw, good idea. How is it working for you?
Hey Rick, I haven't had a chance to use it yet. But test are looking good.

Kelly
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