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Author Topic: Time for another Pancake  (Read 2266 times)
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Antonin Alfery
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« on: April 17, 2019, 03:45:36 PM »

I built my first V-173 some 30 years ago – Peanut. Weight 16g, flight duration up to 30sec. The second V-173 followed in scale 1:20 - intended as F/F indoor. It was just a wish - unfortunately model is too heavy (about 85g without rubber) with adequate flight speed (too fast for indoor). Both these models have detachable front part with motorsticks inside the „wing“and synchronized props. Later I built two bigger RC models of the same size. The first model was „stick and tissue“ construction (destroyed due to RC failure) and the second one (on the picture) is made of moulded foam. Really great flyer with amazing flight characteristics.
Last year I decide to test 1:20 model without synchronization. I have found – very surprised – that model is not so sensitive as I was fearing for many years. In addition, it is possible to find a lot of pictures and vids of restored original now... I have decided to built this model again. This time without synchronization and in one piece – no detachable front part. Thank to this model will be lighter than the previous one and also CG is (up to now) moving in correct direction. I could apply some downthrust when necessary. I will see in summer (high grass will be needed)…
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Time for another Pancake
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faif2d
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« Reply #1 on: April 17, 2019, 03:55:56 PM »

I have always liked that design.  I new a man whose father worked on the original back in the day.
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I used to like painting with dope but now I can't remember why!    Steve Fauble
3view
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« Reply #2 on: April 18, 2019, 02:46:58 AM »

Antonin,  thanks for sharing your Pancake photos. I will copy your construction methods on a hp115 jet that I have in mind.
I would be interested to learn how you tissue cover a hybrid styrofoam/stick-And-tissue model

Steve
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Prosper
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« Reply #3 on: April 18, 2019, 04:12:44 AM »

Remarkable, Antonin. I will watch with great interest.

Stephen.
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g_kandylakis
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« Reply #4 on: April 18, 2019, 04:28:27 PM »

It was in 1991 in Flemalle Belgium when I first saw this amazing model... Way ahead of its time...

Looking forward to seing the new generation model as well.

Great job Tonda !
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scale free flight & micro RC
fred
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« Reply #5 on: April 21, 2019, 01:08:09 AM »

Clearly a bit simplistic of build , a couple sheets of deprom sandwiched together ..not even painted yet
But... this man's pancake looks to be a one day build project and it's appearance from a few meters seems as irrelevant .
 As it Flies Well.
Here's the Maiden flight video.
https://www.youtube.com/watch?v=GLiuI8Sq8NQ
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charlieman
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« Reply #6 on: April 21, 2019, 07:33:10 AM »

Awesome!! A "full stack" of pancakes. Thanks for sharing.  Is there a plan?  Gotta say, the woodwork looks exceptional.
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Indoorflyer
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« Reply #7 on: April 21, 2019, 08:33:50 AM »

Hi Charlie--
This particular V-173 plan always intrigued me

http://www.aeroaces.com/peanutplans.htm
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Make the same mistake on both sides; nobody will notice...
Antonin Alfery
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« Reply #8 on: April 22, 2019, 03:04:48 AM »

Thank you for your comments. The model is built according to the drawing in Naval Figters No.21. The drawing is not very accurate, but there are many photos, so you can achieve the desired scale accuracy.

The model is built directly on the enlarged drawing, the plan for Peanut was published in the German magazine  FMT (Flug Modelltechnik) 11/91. The profile of the wing is NACA 0012, so it is relatively easy to determine the shape of the bulkheads. During the assembly, the internal shape of the bulkheads was only precut (except for places marked with a wavy line) and cut out when basic assembly is completed.  Only then are the remaining beams glued.

The model will be covered with Plyspan „impregnated“ by thin acetone lacquer, glued on with wallpaper adhesive. First coat with water-diluted transparent lacquer, then acrylic Taimya paints, decals and final „dry“ spray with acetone lacquer.
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« Last Edit: April 22, 2019, 04:20:54 AM by Antonin Alfery » Logged
fred
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« Reply #9 on: April 22, 2019, 03:59:53 PM »

Fine workmanship.. as expected  Smiley 
Looking forward to the this as it progresses .
 Hopefully to learn from the master.


PS; there is a "Bales" plan (as he was still making plans well into his 'illness' though,  careful study is indicated) on Outerzone... 1:8 scale 36 " span
 https://outerzone.co.uk/plan_details.asp?ID=9321
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Don McLellan
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« Reply #10 on: April 22, 2019, 04:47:08 PM »

Beautiful work Antonin!
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Antonin Alfery
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« Reply #11 on: May 05, 2019, 08:48:17 AM »

Ready to go to the paint shop...
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charlieman
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« Reply #12 on: May 05, 2019, 10:49:10 AM »

Wow. I'm of two minds:  Stop that! You're making me feel inadequate...But please. Don't stop...i' must see more!!
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Antonin Alfery
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« Reply #13 on: May 18, 2019, 09:52:57 AM »

Almost ready for final assembly.
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MKelly
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« Reply #14 on: May 18, 2019, 11:28:41 AM »

Wow!  Beautiful workmanship.

Mike
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steveneill
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« Reply #15 on: May 19, 2019, 01:19:04 AM »

Just beautiful and perfect. I salute you.
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Don McLellan
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« Reply #16 on: May 19, 2019, 12:29:45 PM »

Outstanding workmanship Antonin! 
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Antonin Alfery
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« Reply #17 on: June 06, 2019, 07:11:16 AM »

Easier part is almost done (excluding antenas and Venturi tube). The more difficult one is ahead of me now Smiley
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yagua
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and still trying!



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« Reply #18 on: June 06, 2019, 08:59:58 AM »

Stuning!!!  Shocked Shocked Shocked
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RolandD6
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« Reply #19 on: June 06, 2019, 05:09:27 PM »

Stuning!!!  Shocked Shocked Shocked

I will second that. Tried to say so last night but for some unknown reason Safari on my iPad will not log into HPA late at night or early in the morning. Using Firefox now and it works, slowly.

Again simply stunning and amazing.

Paul
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Antonin Alfery
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« Reply #20 on: August 19, 2019, 03:48:35 PM »

After some months of waiting the day "D" arrived this weekend.
Really big and nice surprise!
Watch the vids with happy modeller... OK, some trimming will follow, but probably only minor.


https://www.youtube.com/watch?v=BBeLusUmNm4&feature=youtu.be
https://www.youtube.com/watch?v=wJEm2iTgpiA&feature=youtu.be
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Squirrelnet
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« Reply #21 on: August 19, 2019, 03:54:12 PM »

Great build and great to see it fly of the board
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Don McLellan
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« Reply #22 on: August 19, 2019, 05:27:52 PM »

Very, very nice flights!
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Prosper
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« Reply #23 on: August 25, 2019, 03:22:51 PM »

Quote from: Squirrelnet
Great build and great to see it fly of the board
Great to see the board fly Grin.  Fantastic Antonin, the videos are lovely to watch.

Stephen.
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Antonin Alfery
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« Reply #24 on: November 15, 2019, 09:04:02 AM »

On the end more trimming and some propellers modification were necessary to get nice outdoor flyer. Unfortunately I have no video - promised for the next year. But it is also good indoor flyer now - Nijmegen 8.-10.2019...
https://www.youtube.com/watch?v=Ht1d-GW2RAE&list=PLN29opIuaZIWkw31Jl2xNcad8mZsvMFeQ&index=140
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