SU-47 Berkut Parkflyer

[Rane]

Hi... Su-47 Berkut

By its desing the plane owes much to Steve "Jetset44"´s designs icluding F18, F-15 etc.
Big thanks to Steve for the inspiration!

Building materials needed for the plane:
- 6 and 3 mm depron sheets
- 3 mm diameter carbon fibre
- 5 mm diameter carbon fibre tube
- 0.8mm strenght PCB material (used for motor mount, the material is the same your computer motherboard is)

Recommended setup:
- Axi 2212/20 or similar
- largest recommended prop :7"
- 3 mini-servos, ie. HS-55
- at least 4-CH receiver
- LiPo batterys , 80-120g

Measurements:
- Wing span 78cm (30.7 inch).
- Length: 103cm (40.55 in).
- Weight: 340g (12 oz) as shown unpainted.

The control system include 3 servos from which 2 operates the flaperons and one operates elevator and canard
wing in the front, at the same time.(connected with a pushrod)
Flapero movement range +-15 degrees.
Flaperons have been widened 5mm compared to initial model to achieve better roll rate.
Elevator control range +-15 degrees and Canard +-10 degrees.
40% expo used with all control surfaces.

I am not using Flaperons as flaps at the moment , only as ailerons, but no restrictions for flap usage either.
Later on , when the experience has been earned , you may try using higher movement range.

About designing abd building:
In the plans the motor mount is drawn as 10x10mm wooden stick like in GWS models, but every builder can make their own adjustments/designs as they wish.
The motor installation angle should be 4-5 degrees downwards. ALSO there is an option to make moving motor mount connected with elevator so that way you could
achieve "thrust vectorin" for a parkjet. Resulting manouvering capability should be quite exciting. Even now we can make Cobra turns!!
With full control surface deflections manouvering is even without "thrust vectoring" very fast.
Torsional rod is 3mm CF rod installed inside of 5mm CF tube in elevators and canards.

The servo attachment pieces are not drawn, but anyone can desing them their own liking from either depron or balsa.

CG is marked on the picture 3view.gif (between canard and main wing assembly)

The largest reasonably usable propellor is 7" (APC 7x6) , which I used, and I had to even cut some room for that from insides of elevators.

Full construction plan (assembly picture, decals etc.) you can take my ftp.

ftp://su-47:su-47@rane.homeftp.net/SU-47.zip (site 2.7Mb)

Best regards, Rane
Happy Flying!

[Rane]

Su-47 picture...and links how all started.

http://www.rcgroups.com/forums/showpost.php?p=2945995&postcount=1726

http://www.rcgroups.com/forums/showpost.php?p=2966460&postcount=1796

http://www.rcgroups.com/forums/showpost.php?p=2974429&postcount=1846

http://www.rcgroups.com/forums/showpost.php?p=3045290&postcount=37

Video clip

http://rcgroups.com/gallery/showphoto.php?photo=12621

http://www.rcgroups.com/gallery/showphoto.php?photo=19816&sort=1&cat=500&page=1 you need maybe Divx.v5.2.1 codec

http://www.rcgroups.com/gallery/showphoto.php?photo=19832&sort=1&cat=500&page=1

You tube video added on last summer. SU-47 flight Ultralight flights between.

http://www.youtube.com/watch?v=ZDl_wnnvLdg&feature=channel_page

[Depdog]

Beautiful!

Thanks
Glenn

[Spinner]

Rane,

Many, many thanks for great plans and a master model! :)

Joe

[hunk]

It's all good.

[MJH]

Hyvä Rane!

[jetset44]

Awesome, awesome, awesome! Thanks for sharing your excellent work, Rane!

Steve

[EKar]

Just amazing!

What are the pictures made with? Is there a model for RealFlight?

Thanks!

[Stefan lamers]

Very nice model of a very unusual plane
greetings
stefan

[Rane]

Just amazing!

What are the pictures made with? Is there a model for RealFlight?

Thanks!

Hi

Pictures is screen capture Microsoft Flight Simulator 2004.
Airport is certainly OULU Finland. ;)

-Rane

[AceMigKiller]

AWESOME!!!
Man I've been dying for one of these to be made up! Gonna get building REAL soon!
Hopefully have my E-Flight 400 On a GWS C-Gear w/ 9x8 prop. It was MORE than enough power for my hornet, should be awesome on this Berkut!
Thanks Rane!
You da man,
Victor

[jetset44]

Rane,
I just downloaded your full construction zip file and looked through the plans and photos. EXCELLENT work! You've put a lot of thought and effort into the design of this bird and it shows. THANK YOU for sharing your work with us!

This is bird is definitely on my must-build list. After I finish up the projects I've already got going I'm going to build it!

Steve

[jetset44]

By the way, do you (or anyone else) know where to get the 0.8 mm PCB material? Would electronics supply stores carry it?

I thought it was very ingenious how you used the PCB material to support the carbon rod for the aft elevators. Neat!

Steve

[Akura2]

hmmm.....

[DCobra]

By the way, do you (or anyone else) no where to get the 0.8 mm PCB material? Would electronics supply stores carry it?

I thought it was very ingenious how you used the PCB material to support the carbon rod for the aft elevators. Neat!

Steve

Steve, your local Radio Shack should have PCB's.


Akura, thats a sweeeeeeeeeeet scheme, but then again, I love the Soviet/Russian/Eastern Bloc paint schemes.
I hope someone does a Berkut with this scheme, that would look incredible.
I'd do one, but I'm waaaay backed up with planned builds from Steve's and Levi's parkjets. Maybe I'll get one of these made in '05. :rolleyes: :D

[jetset44]

Steve, your local Radio Shack should have PCB's.


Akura, thats a sweeeeeeeeeeet scheme, but then again, I love the Soviet/Russian/Eastern Bloc paint schemes.
I hope someone does a Berkut with this scheme, that would look incredible.
I'd do one, but I'm waaaay backed up with planned builds from Steve's and Levi's parkjets. Maybe I'll get one of these made in '05. :rolleyes: :D

Cool, thanks DCobra. I can see lots of good applications for that stuff. Have any ideas on how to cut it? I assume a jigsaw is required?

Steve

[Rane]

By the way, do you (or anyone else) know where to get the 0.8 mm PCB material? Would electronics supply stores carry it?

I thought it was very ingenious how you used the PCB material to support the carbon rod for the aft elevators. Neat!

Steve
Hi Steve.
You can use without worry something other slim, light and hard material (0.8-1mm) this PCB material in place of.
Absolute are do control system light locomotion.
I am use PCB material cutting scissors.

-Rane

[DCobra]

Cool, thanks DCobra. I can see lots of good applications for that stuff. Have any ideas on how to cut it? I assume a jigsaw is required?

Steve
;) When all else fails...break out the Dremel :eek:

But I think Radio Shack may have the scissors Rane is speaking of. Its been years since I worked with PCBs in Electonics class in High School, but I think I remember something about scissors.

[sukhoiboi]

akura2: Did you realise that isnt an su 47 in your pic. I AM IN LOVE AGAIN!!!!!!!
Where did you find this picture? I NEED to know more!!!!!!!! PLEASE HELP ME!!!!!!!!

[Ceeray]

Anyone gonna try out the "thrust vectoring"?

Would be a neat trick I think!

BTW had a midair collision with Rane´s berkut a while ago... My spit lost wing and crashed, the berkut handled it with a scratch...

[Rane]

Anyone gonna try out the "thrust vectoring"?

Would be a neat trick I think!

BTW had a midair collision with Rane´s berkut a while ago... My spit lost wing and crashed, the berkut handled it with a scratch...
Here my SU-47 Berkut scratch... :(
-Rane

[EKar]

akura2: Did you realise that isnt an su 47 in your pic. I AM IN LOVE AGAIN!!!!!!!
Where did you find this picture? I NEED to know more!!!!!!!! PLEASE HELP ME!!!!!!!!


The picture has the web address along it's right site. It's http://www.mcpecos.it
My Italian is non-existant, but looks like the "artist's impressions" page. Nevertheless, very nice drawings. Hope someone will come up with building an RC model of one of those birds!

[Spinner]

Just curious--does anyone know why the full-scale airplane has an asymmetric tail stinger arrangement?

Thanks,
Joe

[cyberfly]

Man, looking good, this is the one must have

:)

[EKar]

Just curious--does anyone know why the full-scale airplane has an asymmetric tail stinger arrangement?

Thanks,
Joe

Manuf. tolerances :D

[Akura2]

akura2: Did you realise that isnt an su 47 in your pic. I AM IN LOVE AGAIN!!!!!!!
Where did you find this picture? I NEED to know more!!!!!!!! PLEASE HELP ME!!!!!!!!

Oh I know...:D


I just figured that it was close enough to show a nice paint scheme as well as the modding possibilities of the original design

[sukhoiboi]

Absolutely! DON'T hesitate to put material like that on here. I am very interested in this plane (even If t is an artists impression) You can tell It will fly great! It is almost a su 27-su 47-f18 hybrid. I hope that this is a project that is taking place for real!

[Rane]

Hi.

Today I am add SU-47 Video clip.

http://rcgroups.com/gallery/showphoto.php?photo=12621

I am sorry that it bad quality :( as I may better i put sharing.

-Rane

[Iswald]

Awsome!!!What color sceme are u gonna paint it??

[Rane]

Awsome!!!What color sceme are u gonna paint it??
For me only correct color is black, as are archetype SU-47.
-rane

[Iswald]

That will look AWSOME!!!!!
In the video it looks like a great flier!!congrats!!
How did u work out the CG??

[Rane]

That will look AWSOME!!!!!
In the video it looks like a great flier!!congrats!!
How did u work out the CG??

Plane work totally similar to other model plane out the CG.
-rane

[Thomas Nelson]

Very pretty plane, and excellent flight characteristics Rane. Congratulations on a very successful bird! And thanks for sharing your plans!!

[Iswald]

im waiting for some depron then i am definatly building one!!!
What is the total weight?? thrust??

[Rane]

im waiting for some depron then i am definatly building one!!!
What is the total weight?? thrust??
Could you see Iswald my setup first SU-47 page (http://www.rcgroups.com/forums/showthread.php?t=307738) weight: 340g (12 oz) as shown unpainted and thrust you can see ( http://www.flyingmodels.org/motortest/brushless/model_motors/axi_2212-20.htm ) i am use APC 7x6 propeller and PolyQuest 3S1P 1500mAh accu (100g) thrust 10k/rpm about 450g horizontal speed is 90-95 km/h (~60 mph).
-rane

[Iswald]

OOps sorry yes i saw .....
Too many windows....brain frying need help,..,.,.
R u gonna post a vid of it flying slow @ high alfa???PLEASE......

[Rane]

Now SU-47 Berkut is painted and looks are attempt made original Berkut.
Here is pictures.
-Rane

[CRAZYPILOT]

Here is the real one.

Kenneth

[DCobra]

Rane, WOW!

That looks incredible. Man, am I glad the Russians are our friends now! :p

That is one MEAN looking plane. Now I have to add this one to my "to-do" list!

-Paul

[Spinner]

Rane,

Soooo Nice! Congratulations!
Joe

[Ronald Dobbs]

what is the deal with the Danish, Finland part of the world...........you guys put out some fantastic depron stuff.very creative

[CRAZYPILOT]

WIKING'S RULES

Kenneth

[jetset44]

OUTSTANDING work, Rane!!! You've really transformed that foam into a beautiful airplane!

Steve

[Rane]

OUTSTANDING work, Rane!!! You've really transformed that foam into a beautiful airplane!

Steve
Thanks for Stive and all stimulating comments.
Only clanger paint come when I don't commemorate put tape rudder to the head and they are now colour black, anyway airplane show for me very beautiful.
-Rane :)

[newcomer]

Rane, thanks for sharing with us. do you have these plans in a non-tiled version (continuous)?
david

[Downwind3Zero]

Wiking,

Beautiful!!! You've convinced me .. I'll be doing this one for sure!! Thanks.

Chris

[electric jets]

awesome best yet ,

[The Max-Q]

Incredible! Many thanks for your great design-and your generosity!

[Au_Arbiter]

Very cool design!

has anyone tried thrustline adjustment yet?

[Hawker]

Rane,

Beautiful job! That is just outstanding! :D

[Pjotrrr]

Marvellous designwork!

I was planning a nano/EDF40 build, your hard work will make it very easy to me to make a scaled down conversion :)

Where's that sheet of black Depron...?....;)

Thanks!

Peter

[Tomcat Fan]

Well done Rane.

[TBolt]

Thanks Rane,
I have the kit cut out just waiting for my slave labor (AceMigKiller) to assemble it.
My son is still laboring on some of the other really nice jets that people like yourself have been so generous to post on this fine web site.
now if I could find some spare radio equipment somewhere, I would have one heck of an Air Force

Regards,
Victor

[AceMigKiller]

Who is this "Tbolt" guy!? And why doesn't he build his own jets!? lol
Actually I'm getting ready to start the Berkut once I'm done w/ a buddies' F-15, I have some questions for the '47 master though...(AKA RANE).
1.) Did you go with Ailerons on the wings and elevator, or did you go w/ tailerons?
2.) If you did the Ail/Elev como, did you couple the elevator and canards?
And for all:
3.) Anybody else build this bird!? This is a really AWESOME desgin! post pics!

I've decided to scratch my "Mega" F-4 project and substitute the Airframe for the
Su-47 (w/ retracts and BL motor OF COURSE :D )
I'll see if I can get the digital camera to work right, but if not, I'll find a way to post pics! Should start construction pretty soon, heck, maybe even while I wait for the F-15 pieces to dry!!! :D

[AceMigKiller]

Oh yeah,
Does anyone just HAPPEN to have a good picture of where the Main Landing Legs go on this bird? I can guesstimate it from the pics on page 3, but I'm wondering if anyone has say... a 3-view?
Thanks,
Victor

[LittleJon]

This is so beautiful! Someone needs to make a kit of this for those of us who would have trouble printing out the plans and getting the depron.

If I had this to go with my miniBOP and built a X-29 from 3Dfoamy.com then I could have a trio of forward-swept wing planes. :D

[LittleJon]

Rane: What's the codec used for that video, on both my work and home computers I only get the sound.

[Herb]

Very nice project :) !

Hey Jon give me a chance, twin edf's take longer to design & build :) ...

http://members.aol.com/offshoreel/modelle4.htm

http://www.rcgroups.com/forums/showthread.php?t=24984

I have a very nice 4MB video of Heiner's twin MiniFan Berkut, maybe he can post a link.

.

[LittleJon]

Herb: whose is that?

[AceMigKiller]

Hey I have that one too!
It's Offshore's "Su-37/47. Designed for twin 400/480 size fans. Not too difficult of a build, but I just haven't gotten around to cutting any of the peices out seeing as I only bought the plan; course, now that I've started on Rane's Berkut, guess I better finish it up first! :D

[LittleJon]

That's very nice indeed, but I'd prefer a pusher with vectored thrust. Anyhow, 88cm wingspan sounds too big to fit in my Miata (then again so does the 30 inch foam one)!

[Rane]

Rane: What's the codec used for that video, on both my work and home computers I only get the sound.
Hi LittleJon I use video codec DivX-5.0.5.

I am doing new better quality Su-47 Berkut fly video as here arctic circle near goes polar night over days come longer and light be plenty video making. :D

-Rane

[Thomas Nelson]

Beautiful plane, Rane! Very cool shape to see in the air. I've been meaning to post how much I appreciate the effort you have put into sharing your design. Designing and building is one thing ... freely sharing is another. Major Kudos!

:)

[AceMigKiller]

This looks WAY TOO COOL!
Almost looked like it was firing a missile until I saw the Airliner! :D

[AceMigKiller]

Hm, pic didn't upload, It was the pic from page 1, post #2

[Ceeray]

This looks WAY TOO COOL!
Almost looked like it was firing a missile until I saw the Airliner! :D


That was exactly what we intented to achieve when Rane flew the plane and I was shooting with camera ;)

[Ceeray]

This looks WAY TOO COOL!
Almost looked like it was firing a missile until I saw the Airliner! :D


That was exactly what we intented to achieve when Rane flew the plane and I was shooting with camera ;)

Rane, post a couple of those pics of that F18 with wingtip smokes.. theres one pic which looks like missile launch ;)

[power5548]

I'm building and try fly su-47 last month . IT machine function is very nice :) .

[Rane]

Rane, post a couple of those pics of that F18 with wingtip smokes.. theres one pic which looks like missile launch ;)
OK..OFF Topic... Ceeray..

Here picture series from where we (Ceeray and self) try do smoke line the sky but pyrotechnics lightcandle not do smoke good..

I don't advertise try this to nobody. :o

-Rane

[Rane]

3 pic..

[Rane]

I'm building and try fly su-47 last month . IT machine function is very nice :) .
Hi power5548 yours Su-47 looks very fantastic.. :cool:

What kind of setup you have su-47?

-Rane

[jetset44]

WOW, very cool photos of your F-18! Almost looks like the real thing just as the missles are beginning to fire off!

Steve

[Hawker]

That looks awesome Rane! Very very cool. :D

[AceMigKiller]

Hey Guys,
Just thought I'd give you all an update on my Su-47 project.

1.) Assembled both forward and rear fuselage bottom halves,
2.) Installed nose gear retract assembly
3.) Installed hardwood mounts for Main gear retracts.
4.) oh yeah, and I glued the nose cone on...
So far it's looking good, I've taken plenty of pics on an old fashioned camera :D
so I'll post pics as soon as I've used the rest of it up.
For those of you that are curious, here's some stats for my Su-47 Berkut:

100% plans, made from FFF
E-flight 400 BL w/ "C" gearing
8x6 APC prop
2100 mah 3s Lipo
3 hs-55's (Elevator, steering, main retracts)
1 hs-81 (Nose retract)
1 GWS micro (Ailerons)

Thanks once again to Rane for designing and making plans available for this awesome bird! I will definitely have to post pics of the finished jet!
Later,
Victor

[EKar]

Hey Guys,
Just thought I'd give you all an update on my Su-47 project.
Victor

Would love some pix!

[Rane]

Hey Guys,
Just thought I'd give you all an update on my Su-47 project.

1.) Assembled both forward and rear fuselage bottom halves,
2.) Installed nose gear retract assembly
3.) Installed hardwood mounts for Main gear retracts.
4.) oh yeah, and I glued the nose cone on...
So far it's looking good, I've taken plenty of pics on an old fashioned camera :D
so I'll post pics as soon as I've used the rest of it up.
For those of you that are curious, here's some stats for my Su-47 Berkut:

100% plans, made from FFF
E-flight 400 BL w/ "C" gearing
8x6 APC prop
2100 mah 3s Lipo
3 hs-55's (Elevator, steering, main retracts)
1 hs-81 (Nose retract)
1 GWS micro (Ailerons)

Thanks once again to Rane for designing and making plans available for this awesome bird! I will definitely have to post pics of the finished jet!
Later,
Victor
AWESOME..AceMigKiller.. sounds great, i wait very interest picture you plane. :)

-Rane

[Woody_100]

Hi guys...........
I've just finished cutting out all the parts for this bird. I'm going to start the glueing process this weekend.
Is there anything specific I should watch for during the build?

I'll post pictures once she's finished.
BTW she's going to get the blue and silver scheme.

Cheers,
Ritchie

[AceMigKiller]

hm...
Don't go for retracts...heh; other than that, it is a pretty straight forward, simple build.
Plus it'll look cool in the end!

[Woody_100]

Note to Moderators................Can you move this thread to pushers please?

Cheers,
Ritchie

[Rane]

Hello All.

I am do SU-47 Berkut new EDF version.

New EDF Berkut weight 360g (12,7 oz) without accu, as shown unpainted.
I use one GWS 55 EDF and Hyperion X-22 Series kv. 3800 motor.
Accu was MaxAmp 3S1P 1650mAh

Maiden fly is today and this setup was light power. :confused:
Performance would come big better add second fan, berkut body fit even larger fan.

I am going to test still repair intake air tunnel if may he have performance better.

Here a few picture maiden fly.

-Rane

[im-sad]

Coool

[Mike77]

So?!!? A flight report!?!?!?
Did you had to scale up the design to fit the edf55's...One or two!?!?!?!?!
I was looking for a nice and easy to fly EDF and I think this could be a candidate...
Great designs Rane...

[S.Davy]

Cool ,very cool . I think you got the wings on backwords though and the elavator goes in the back .

[newcomer]

Rane, will you post the mods you made to make it edf ?

[Rane]

Rane, will you post the mods you made to make it edf ?
Hi

Here is pictures which tell better modification as my bad command of a language. :)

If anyone come to make berkut edf so i advertise do it by two fan, by one edf fan come only big air resistance and airborne berkut feel powerless.

Rane

[Rane]

More pic

[what_the?!]

Hi

Here is pictures which tell better modification as my bad command of a language. :)

If anyone come to make berkut edf so i advertise do it by two fan, by one edf fan come only big air resistance and airborne berkut feel powerless.

Rane

Rane,

Very inspiring work mate! I've printed your plans off and are cutting the depron now!

If you are not happy with the EDF version, i think a simple modification would be to use the Alfa Generation 2 fan, which is 60mm.

We use it alot here and with the Himax 2025-5300 and 2000-2450mah lipo.

19A at WOT, 500g thrust at sea level. This is ALOT better than the GWS/Hyperion combo.

We tested the Hyperion 5000 on the Alfa Fan and got 45000 rpm which delivers around 400g thrust at 19A. On the other hand we are getting over 50000rpm on the himax at 19A. All tests measured on scales, repeated, and also with exit cones on as well as on and off inlet cones.

Be sure to make a wide radius intake for your fan also.

I estimate that your static thrust for the hyperion 3800 and gws would be between 300 and 330g at 12A. (have you checked this?)

So as you can see the himax/alfa setup would turn this single EDF into something quite good i think.

Even the microfan (50mm) with the himax would be better as that gives 400g at 19A as an alternative if diameter is a problem.

Me thinks i might have to go for EDF now!!!!...lol..

Baby!!!

Cheers,

Tim.

[Buku Gaidin]

Hello,

I'm planning to build one, but I've some questions about the setup.
I would like to use items from my Ultimate (cheaper than buy more stuff :D ) :
- Axi 2212/34 motor
- CC phoenix 10amp ESC
- E-tec 1200mah LiPo battery
- APC 7x6 prop

Do you think it will fit ?
Should I change something ?

Thanks a lot
Regards :)

[Rane]

Hello,

I'm planning to build one, but I've some questions about the setup.
I would like to use items from my Ultimate (cheaper than buy more stuff :D ) :
- Axi 2212/34 motor
- CC phoenix 10amp ESC
- E-tec 1200mah LiPo battery
- APC 7x6 prop

Do you think it will fit ?
Should I change something ?

Thanks a lot
Regards :)
Hello Buku Gaidin

This setup -Axi 2212/34 motor and APC 7x6 prop feel for my non-effective. :confused:

Could you look performance e.g this site. http://www.flyingmodels.org/motortest/brushless/model_motors/axi_2212-34.htm

For example Axi 2212/26 or 2212/20 would be better motor.

BR -Rane

[Buku Gaidin]

Okay :)
Gonna look for a 2212/20, I saw there's an offer at on-line Hobby-lobby store : motor+esc, sounds good :D !

See you later

[Rane]

New SU-47 pusher video added..

http://www.rcgroups.com/gallery/showphoto.php?photo=19816&sort=1&cat=500&page=1 you need maybe Divx.v5.2.1 codec

-Rane

[Buku Gaidin]

Hello, Great vid !!!
I'm still looking for a motor-esc combo set and I think this one shall fit :
http://aircraft-world.com/shopexd.asp?id=3340 (set n°6)
What do you think about it ?

Thanks again ;)

[Rane]

Third Su-47 fly video added..

http://www.rcgroups.com/gallery/showphoto.php?photo=19832&sort=1&cat=500&page=1

-rane

[Buku Gaidin]

Hummmm sweet :D
This bird is really beautiful !

Just a question, why do you land on the road rather than on soft grass ? :p

I really gotta find time to build mine!
I guess I'll choose the "Mobius" squad paint...
http://namco-ch.net/acecombat5/img/popup/arcade_2_b.jpg
...from ace combat (great game on PS2)

[Rane]

Hummmm sweet :D
This bird is really beautiful !

Just a question, why do you land on the road rather than on soft grass ? :p




Thanks comment...

Ground why i land on the road is because SU-47 elevator front are long and it in summer land it grasp grass and turn broke.

- Rane

[maelstrom]

Has anyone tried to reduce this? I think I will try for 60% and see how it works. I'll try and get some pictures when I start on it.

Rane, how did you make the prototype and what is it made of? I would like to make one too. If you can't describe it in english you can use Finnish and I will run it through Roughlate when I'm at work.

[what_the?!]

im doing a 90% EDF version with 60mm fan. trying to find the time to build right now.

Tim.

PS a great big thanks to Rane for all his help!

[Rane]

Rane, how did you make the prototype and what is it made of? I would like to make one too. If you can't describe it in english you can use Finnish and I will run it through Roughlate when I'm at work.

Hello maelstrom :)

At first i print 3view.gif http://www.rcgroups.com/forums/attachment.php?attachmentid=355901 paper and add picture pencil intersection.

Next i cut part imagery off paper and draw paper imagerys parts 3mm gray depron.

On next i glue together parts and finalize parts if was be in need of.

At last i do sanding elicit correct shape.

In this in a nutshell this Su-47 prototype story.

This Su-47 prototype also fly pretty well as set CG correct.

Prototype building materials is 3mm gray depron. (once more)

-rane

[sprice50]

Wow- I am going to build one and put a 16/15/4 with a 6x4APC and 3S 2220 Tanics. My friend uses this in his Gripen and it is awesome. Hoping for about 21oz all up. I will build it in early September.

[Ernest]

Hi guys..
I am building the SU 47 in ducted version.
Power by HET2W (350watts) and Wemotec 480
Planning to install retracts for this jet but not sure how to do it.
Appreciate if anyone with pics to show me on how to install them? :confused: