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Author Topic: 1960s Coupe d'Hiver Postal  (Read 148407 times)
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dosco
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« Reply #400 on: July 11, 2015, 11:33:53 AM »

Most of the wood work is done now. Plan call for a couple of gussets on each wingtip, then to round the tips. DT setup still needs to be done, and then there's that infernal "landing gear", or is it a take off gear? Does anyone know if it is supposed to be extended all of the time or if it's actuated after launch in some way? Is it even necessary to have it at all?  Huh

I'm pretty happy with my weights on the individual components so far. Fuse is at 10 grams, wing is also 10 grams. The tail surfaces weigh 4 grams ( I did build up the fin instead of using sheet), and the assembled nose block with a good bit of excess wire hanging out of it weighs 17 grams - 41 grams all tolled.

Nice bones. Very tasty.
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FLYACE1946
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« Reply #401 on: July 13, 2015, 10:22:36 PM »

No landing gear is required since you can launch by hand even jumping is allowed to launch.
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THB
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« Reply #402 on: July 14, 2015, 09:08:52 AM »

Last year it turned out that the only plan of Guy Cognet's Coupe I had was from 70/71. I didn't realise till after I built it. So it didn't qualify under the rules.
I started cutting wood for a version of Pamela so I had something to fly this year.
But I was running out of time - and pretty busy at the moment.

Then at the last minute I am saved! I received by email in the last days some scans of the same model published in the French Modele Magazine in 1968.

Phew...  it's kind of the easy way out, I know. But now all I have to do is repair some tissue holes and I'm ready to go!

cheers
Tim
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Tim
Mark Braunlich
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« Reply #403 on: July 14, 2015, 04:19:43 PM »

Nice save Tim!   Cheesy
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Mark
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« Reply #404 on: July 18, 2015, 04:57:30 AM »

...........nearly done.
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Oldtime Flyer
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« Reply #405 on: July 18, 2015, 05:52:10 PM »

Great Looking Coupe!!

OTFer....
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FF Bruce
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« Reply #406 on: July 18, 2015, 06:43:00 PM »

yes very pretty and looks to be well built,love the colors.Please let us know how she flies. 
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FLYACE1946
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« Reply #407 on: July 18, 2015, 09:57:34 PM »

I think this looks fine, real fine too

Allen
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THB
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« Reply #408 on: July 18, 2015, 11:31:31 PM »

Really well finished Dave. Let me know when you're ready for some flying
cheers
Tim
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Tim
cd_webb
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« Reply #409 on: July 19, 2015, 02:55:20 PM »

Nice work on the Deuzio! Thought I was nearly done too 'til I looked at yours. I see a couple more things I need tend to...
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billdennis747
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« Reply #410 on: July 19, 2015, 03:26:11 PM »

Round these parts, that colour scheme is called camouflage!
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PeeTee
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« Reply #411 on: July 19, 2015, 03:30:43 PM »

It blends in nicely with oil seed rape in flower (plus leaves). We don't have many (any) fluoro orange plants over here so that's my colour of choice Grin
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cd_webb
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« Reply #412 on: July 19, 2015, 07:05:08 PM »

All that's left is to bend and cut off the prop shaft, and find the CG and permanently fix the wing mount. I still intend to cut out and affix "Nikolina" on the right wing. It will end up being under the 70 grams required without rubber. As it sits - 64 grams.
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Oldtime Flyer
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« Reply #413 on: July 19, 2015, 07:47:20 PM »

All that's left is to bend and cut off the prop shaft, and find the CG and permanently fix the wing mount. I still intend to cut out and affix "Nikolina" on the right wing. It will end up being under the 70 grams required without rubber. As it sits - 64 grams.

Another great looking Coupe!

OTFer....
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dputt7
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« Reply #414 on: July 20, 2015, 07:15:32 AM »

   Thanks for the nice comments Fellas! Good to hear you are under weight CD, looks very neat, like the purple,
 
   Now Gents, we don't usually have grass on our flying fields down here, only on our cricket pitches,  opposite to you  Grin (Bill this is a smiley face to suggest it's a joke)
 
   No doubt the fluoro colour would stand out but I didn't think that was a '60's thing, or can't I just remember!
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billdennis747
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« Reply #415 on: July 20, 2015, 08:09:08 AM »

 
   No doubt the fluoro colour would stand out but I didn't think that was a '60's thing, or can't I just remember!
I remember spraying the tips of my 60s Coupe fluorescent. For some reason I must have thought optimistically it might fly more than 50 yards away.
I think all the grass on our cricket pitches has been worn away by the feet of English batsmen walking back to the pavilion, or Australians jumping about in celebration.
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Pete Fardell
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« Reply #416 on: July 20, 2015, 05:03:27 PM »

True, the Aussies scraped home by the small matter of 400 runs or so, but it's only one game. All square and still everything to play for!
(Anyway, cycling's our national Summer sport these days isn't it?)
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cd_webb
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« Reply #417 on: July 21, 2015, 08:17:09 PM »

Nikolina is finished. She ended up at 66 grams. After loading up 10 grams of 3/16 rubber, I took her out in the back yard for some test glides. The required 4 grams of (lead) ballast to be contest legal was finally placed about an inch behind the published CG. Glide is VERY good! Of course, I can never resist just a few turns, and 100 of them was almost a mistake. If it had cleared the tree line, which it almost did (it was climbing for it), it could have been bad.

 Never having been a fan of idle hands, and there being plenty of time left before December, I'm up for another one. Nikolina presented challenges, and I do like a challenge. Thinking of "Pamela", or possibly another, but with twin fins. Must have one with twin fins. Grin
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Hepcat
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« Reply #418 on: July 22, 2015, 05:13:04 AM »

cdw,
I had reservations about the model before you started.  I feel I should apologise to the designer because I have to admit that your brilliant building skills make it look like a world beater.  Are the propeller blades laminated?

John
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FLYACE1946
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« Reply #419 on: July 22, 2015, 06:44:43 AM »

Well CD,
 that turned out to be a very nicely done Coupe I must admit. I really like that color scheme a lot too. Watch out tho if you try any more low power windup's before December. When the time comes to fly for the postal I wonder how big an area will be required since I will be using my Nikolina here in Texas probably near San Antonio as far as I know right now. You really have a very neat example to show us the way ahead on our project. Thank You very much. Cool Cool Cool Cool Cool Cool Cool Cool Tongue
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THB
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« Reply #420 on: July 22, 2015, 06:46:00 AM »

Yeah - nice work.  Smiley
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Tim
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« Reply #421 on: July 22, 2015, 10:08:24 AM »

Thanks, everyone. I'm pretty sure that "brilliant" is an overstatement, but extremely nice of you to say. The prop blades are carved balsa block. Because of my ineptitude at covering compound curves, I decided one day to cover a prop in roughly 3/8" wide strips of tan tissue. The overlap gives the slightly darker color which, when doped, darkens up considerably. Not sure if it actually gives any extra strength like a single sheet would, but it gives a nice visual effect and it's better than nothing.  Grin

Flyace, I did some work for some very nice folks on the east bank of the Red River a while back who run a grass farm. Acres and acres of field with 4" of grass. I figure with the prevailing southwesterly winds we have here, it's the perfect place to fly. Of course, I still need to ask permission, but as I said, they are nice folks.
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FLYACE1946
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« Reply #422 on: July 22, 2015, 12:29:43 PM »

Well CD grass farms rate high on my list of places to try to find. They can really turn out to be very satisfactory for our purposes. Good to know you have one nearby.
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dosco
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« Reply #423 on: July 22, 2015, 12:51:48 PM »

Nikolina is finished. She ended up at 66 grams. After loading up 10 grams of 3/16 rubber, I took her out in the back yard for some test glides. The required 4 grams of (lead) ballast to be contest legal was finally placed about an inch behind the published CG. Glide is VERY good! Of course, I can never resist just a few turns, and 100 of them was almost a mistake. If it had cleared the tree line, which it almost did (it was climbing for it), it could have been bad.

 Never having been a fan of idle hands, and there being plenty of time left before December, I'm up for another one. Nikolina presented challenges, and I do like a challenge. Thinking of "Pamela", or possibly another, but with twin fins. Must have one with twin fins. Grin

cd webb:
A beauty. Well done.

Cheers-
Dave
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« Reply #424 on: July 24, 2015, 04:21:02 PM »

Here's a small drawing of the Coupe design I'm going to build. A French design from 1967. Currently drawing full size plans.

OTF'er....
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