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French airplane : Le PIAF Empty

French airplane : Le PIAF

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LOL French airplane : Le PIAF

Post  Grosvince Wed Apr 07, 2021 2:06 pm

Hello all,

Here's a short video of my newly build PIAF (very famous 1/2a french design). This is not the maiden but the second flight. Plane weight 400 g (14 oz).



The engine is a 60+ YO Babe Bee.

Vincent
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Post  nico010 Wed Apr 07, 2021 2:44 pm

cute model. Congratulations. I kept an eye on it since I found the plans in outerzone. in the rcgroup forum there is a thread of the construction of theat model that is very well explained.
nice model to use as a test bed for radios and engines.
again congratulations.
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Post  Grosvince Wed Apr 07, 2021 5:45 pm

@nico010 wrote:cute model. Congratulations. I kept an eye on it since I found the plans in outerzone. in the rcgroup forum there is a thread of the construction of theat model that is very well explained.
nice model to use as a test bed for radios and engines.
again congratulations.

Thank you ! This one has the same color scheme as my first one (which was also my first successful RC airplane).

The design is very simple and straightfoward ; furthermore it dates back to 1979 and was conceived as a beginner's RC trainer, and thus was designed to handle standard radio gear from the seventies... there's plenty of room inside !

It's a very convenient test bed, you're right ! This one is the 7th I've build. I tryed it with many engines (Cox, MPJet, brushed direct drive, brushed geared, brushless outrunner).

I also look at the build log on RCGroup.

You can find a good plan here : http://clap54b.free.fr/RCavion/Piaf/piaf.htm .

Vincent


Last edited by Grosvince on Thu Apr 08, 2021 5:01 pm; edited 1 time in total
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Post  dirk gently Thu Apr 08, 2021 12:52 am

I hope I work as well as that Baby Bee when I'm 60! What prop do you have on there?
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Post  Grosvince Thu Apr 08, 2021 7:02 am

@dirk gently wrote:I hope I work as well as that Baby Bee when I'm 60! What prop do you have on there?

I use a 6x3 cox propeller from Cox International.

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Post  getback Thu Apr 08, 2021 9:07 am

Looks like a good ole time flier , nice and stably Don't look hard to build either . RC Plane
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Post  Grosvince Thu Apr 08, 2021 5:03 pm

French airplane : Le PIAF File
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Post  dckrsn Thu Apr 08, 2021 6:54 pm

Vincent, I wonder if the aircraft's name is a reference to "The Sparrow"?
I have always adored her voice.
Beautiful plane too.
Bob
French airplane : Le PIAF Edith-11
https://www.youtube.com/watch?v=rzy2wZSg5ZM&list=PLr0rPlnrBrm7ZTg2Ws2x4MWvhXjT7YVVd
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Post  Grosvince Fri Apr 09, 2021 5:10 am

@dckrsn wrote:Vincent, I wonder if the aircraft's name is a reference to "The Sparrow"?
I have always adored her voice.
Beautiful plane too.
Bob

Hello Bob,

"Piaf" is french slang for sparrow, but also any little bird of the same size.

I think there's nothing related to Edith (who was a very small lady, hence is nickname "La môme" (the kid) or "La môme Piaf"). Very difficult to explain all the underlying of this, as english is not my native langage. It's more a part of the after WW2 french culture.

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Post  dirk gently Fri Apr 09, 2021 5:28 am

In case anyone wants to build another one: https://outerzone.co.uk/plan_details.asp?ID=9214
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Post  Grosvince Sun Apr 11, 2021 3:43 pm

@dirk gently wrote:In case anyone wants to build another one: https://outerzone.co.uk/plan_details.asp?ID=9214

I think this plan (click here) is more accurate to the designer idea : the airfoil has been changed (16% thickness).

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Post  dckrsn Sun Apr 11, 2021 5:09 pm

@Grosvince wrote:
@dckrsn wrote:Vincent, I wonder if the aircraft's name is a reference to "The Sparrow"?
I have always adored her voice.
Beautiful plane too.
Bob

Hello Bob,

"Piaf" is french slang for sparrow, but also any little bird of the same size.

I think there's nothing related to Edith (who was a very small lady, hence is nickname "La môme" (the kid) or "La môme Piaf"). Very difficult to explain all the underlying of this, as english is not my native langage. It's more a part of the after WW2 french culture.
Vincent
Thanks for the reply, Vincent.
Bob
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Post  getback Mon Apr 12, 2021 5:30 am

@Grosvince wrote:
@dirk gently wrote:In case anyone wants to build another one: https://outerzone.co.uk/plan_details.asp?ID=9214

I think this plan (click here) is more accurate to the designer idea : the airfoil has been changed (16% thickness).

Vincent
Is the thickness/wing the only change in the plans? I am thinking about it but don't read french . Sad
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Post  Grosvince Sat May 15, 2021 1:16 pm

@getback wrote:
 Is the thickness/wing the only change in the plans? I am thinking about it but don't read french . Sad

Hello

Sorry for the late answer...

Over the time there was many flavour of PIAFs. First was issued  in February 79, in french "Modèle Magazine" magazine. The text stated it had taken 5 prototype to achieve the plane. At this time the plan was published directly in the paper, scaled down by 50%, on A3 format. The build log on RC Group is based on this plan, but the builder prefer to join wings with epoxy and glass fiber rather than the original plywood key.

Because of the huge success of the first plan, in 1982 an improved plan was drawn, with beginners in mind (a step by step build was drawn on the plan), which has taken into account builders feedbacks. The airfoil change at this point for the "PNSD116" (Patrick Nicolas Spécial Demi 16%) which was an airfoil design by Patrick Nicolas, the PIAF designer. This airfoil has 16% thickness, to reduce speed of 1/2 A planes without throttle control. The link I publishes is a CAD drawn plan but very accurate to the second blueprint.

Try a PIAF, you'll fall in love of this simple aircraft !

Vincent
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Post  rsv1cox Sat May 15, 2021 2:54 pm

@Grosvince wrote:
@dckrsn wrote:Vincent, I wonder if the aircraft's name is a reference to "The Sparrow"?
I have always adored her voice.
Beautiful plane too.
Bob

Hello Bob,

"Piaf" is french slang for sparrow, but also any little bird of the same size.

I think there's nothing related to Edith (who was a very small lady, hence is nickname "La môme" (the kid) or "La môme Piaf"). Very difficult to explain all the underlying of this, as english is not my native langage. It's more a part of the after WW2 french culture.

Vincent

Bob (dckrsn) and I share many interests.  This is another.  If you know Edith you must also be familiar with Mireille Mathieu an Edith Piaf devotee. I have a lot of her albums (she sings in eleven languages) and one is exclusive Piaf - Chante (Sings) Piaf.  Edith and Mireille shared a great voice, but also a small stature.  Mireille is barely five feet tall.

https://www.bing.com/videos/search?q=Mireille+Mathieu+Abba&ru=%2fvideos%2fsearch%3fq%3dMireille%2bMathieu%2bAbba%26Form%3dVDRSCL%26%3d0&view=detail&mid=F15987AA5B00FA3FCAD4F15987AA5B00FA3FCAD4&rvsmid=A9B75EF9451961D0BF95A9B75EF9451961D0BF95&FORM=VDRVRV

French airplane : Le PIAF P1010989
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Post  getback Sun May 16, 2021 8:03 am

Thanks Vincent , I will have to think it over some , got more projects coming At this time ,, Bob if i listen to her while building a airplane i would end up with a boat ,, Taste some of this And i have watched ALL the Fast and Furrest , LOL most in the theater too . So just go on shame me as children's lol! lol! lol!
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Post  rsv1cox Sun May 16, 2021 8:18 am

And i have watched ALL the Fast and Furrest , LOL most in the theater too . So just go on shame me as children's

Smile Smile Smile

I knew that comment would get under a lot of skins Eric...... lol!

and...........get me in a whole lot of trouble...........

Bob

BTW LR is a long time favorite of mine.  I'll post comparios of MM and LR's "Blue Bayou" over on the music thread.

Bob if i listen to her while building a airplane i would end up with a boat

Smile Smile

Ya gotta listen to the whole thing Eric, she get's into it half way through.  Love it when she sings Angry!

Ok, so it's in French. After listening to her for the past 50 years, I'm practically fluent. Smile
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Post  Grosvince Wed May 19, 2021 2:49 pm

You guys are totally funny ! I Love This Forum!

MM don't have the same status as EP in France.

All in all, it's not my kind of music, not my generation.

Vincent
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