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Old Aug 04, 2006, 11:35 PM
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Joined Dec 2000
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Question
Fournier RF-4 - Motor Glider

Anyone know of a source or hobby shop that carries the Fournier RF-4 motor glider kit manufactured by Aeronaut (Germany) here is the US?
Thanks and Happy landings,
Lewis
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Old Aug 05, 2006, 02:42 AM
Electric Airplane Junkie
bhchan's Avatar
United States, CA, San Mateo
Joined Jun 2000
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Hobby Lobby probably can order one for you.

Brian, an EAJ.
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Old Aug 05, 2006, 01:27 PM
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There is one for sale in UK - all ready to fly. I know the chap who built it and its a real beauty..

See http://www.scalesoaring.co.uk/Classi...assifieds.html

Allan
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Old Aug 05, 2006, 04:49 PM
ZOB
ZOB
Cranwell village in Lincolnshire England
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Hi Lewis, Aeronaut do a model of the RF-4 and i know Hobby Lobby do Aeronaut good luck.

ZOB
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Old Aug 06, 2006, 11:56 AM
My hangar is,... "almost" full
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United States, WA, Everett
Joined May 2003
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Lewis, I know this is much smaller than than what you are looking for, but thought you might like to see my 80" scratch build,... click RF-4 link -
https://home.comcast.net/~guilfoyle72

A bigger one would be lots of fun. I need another winter project. OH no!,... I feel that urge to create sneeking up on me. Lets see, + 60%=128" ws, hmmm..... something to think about.

Fred
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Old Aug 10, 2006, 08:25 PM
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so. cal.
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Lewis, check the for sale page here, Joe Pierson is selling the model beautifully finished and ready to fly.
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Old Aug 12, 2006, 09:29 AM
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Haltern, Germany
Joined Jun 2003
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There is a nice RF-4 available from CNC-Technik Bayer:
http://www.cnc-modellbautechnik.de/rf_4.htm
You can get the kit with a molded fuse or with a wood version.
Scale is 1:2.5!
Christian
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Old Sep 04, 2006, 02:55 PM
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Allanart

I just bought that Aero Naut RF4 off the scalesoaring website. It is my first venture into scale soaring as I'm an HLG man really. However, I just couldn't resist it as it is a beauty. Not flown it yet as I need to programme the Evo 9. Will send photos when this eventually happens!

Mike
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Old Sep 04, 2006, 08:46 PM
My hangar is,... "almost" full
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I decided to commit to scratch building one. I have the basic drawing completed. It'll be my "mid-winter" project. Start date will be about the 1st of November. 1/4 scale - 115 "ws (2.9m), AXI4120, on 4s2p Tanic Lipo, all wood, with a fiberglass cowl. The only hangup for me is the retract. I've never had a retract. It really should have one, but I don't want to pay the weight penalty. But if I do put one in, finding one to fit the wheel well and still extend enough might be hard. I'm still thinking about that one. When I start mine I'll do a build thread on it. See basic drawing here:
https://home.comcast.net/~guilfoyle72/ , click on the red link below the picture

Fred Guilfoyle
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Old Sep 05, 2006, 02:59 AM
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Quote:
Originally Posted by easyflinger
Allanart

I just bought that Aero Naut RF4 off the scalesoaring website. It is my first venture into scale soaring as I'm an HLG man really. However, I just couldn't resist it as it is a beauty. Not flown it yet as I need to programme the Evo 9. Will send photos when this eventually happens!
Mike
Hi Mike

I know the history of that model and could put you in contact with the orriginal builder if you like..

Allan
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Old Sep 05, 2006, 04:27 AM
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Hi Allan

Thanks for that. Please could you PM me with his details? Just about to settle down to a days fettling!

Mike
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Old Sep 05, 2006, 01:08 PM
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Fred, I hesitated before committing this to the forum, but I think your drawing is not true to scale in several area's. Assuming that R. Ferriere's 3-view is correct, I can see several differences, most notable are the thrust line being too high, and the way the top of the fin is shaped. I also get the impression that the nose is too short, but I could be wrong. Why not make a print of both and overlay them too see the differences? Sorry for being critical mate, but I like the Fournier too and would love to see another nice scale rendition.

Regards,
Max.
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Old Sep 05, 2006, 03:18 PM
My hangar is,... "almost" full
No Step's Avatar
United States, WA, Everett
Joined May 2003
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Well, Max. My drawing is an exact copy in profile and planform taken from a digital reproduction of a 3 view provided by Bob's Aircraft Documentation. At the bottom of the 11"x17" 3-view it says 772 .... Modellistica. Maybe that speaks for it's origin, I don't know. It is true to scale to the very best of my ability. I would not doubt that maybe over several reproductions it has stretched or deformed from the original. I don't care, it looks like a RF-4 to me. If you are comparing your 3-view to my (relatively speaking) small, low quality jpg. on my web site, that is a poor comparison. It has been reduced from a cad drawing 60" long to a .jpg 6" long, and you are viewing it on what?... a convexted monitor maybe?

This is a project for myself and will not be kitted or plans sold. I could care less if it's not an@lly perfect. I have made every attempt to make it as exact as possible with the 3 view provided. I couldn't be more happy, and proud with it just as it is.
Why not compare 3-views? If I was going to kit this model or sell plans,..... maybe I would. But you see mate,.... this is a hobby for me. I think it'll make a fine scale rendition.

If I sound a little defensive,.... I am. Thanks for your concern anyway.
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Old Sep 05, 2006, 05:15 PM
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Fred, I am sorry if I made you angry, this was not my intention at all. I was comparing your drawing with the 3-view that you show on your website right next to it, and I tried to be helpful in pointing out these differences before you started your build. Main thing is indeed that you are happy with it, and I wish you all the best with your project.

Regards,
Max.
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Old Sep 05, 2006, 10:03 PM
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Florida
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Fred, I have the original factory drawings for the RF-4. They also include the letter from Mr. Rene Fournier indicating what a difficult subject I had decided to homebuild. Well, the military, marriage and other such influences crept in in the last 20 years so I have only built a 1/4 scale model of the RF4. Let me know if you need them, I could copy the pages (huge) that you need to scale the fuse wings and tails. Thermals, Joser.
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