Sukhoi/Hal Pak Fa concept FGFA design/build - RC Groups
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Aug 31, 2011, 02:43 PM
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Sukhoi/Hal Pak Fa concept FGFA design/build


DESIGNED FROM PICS AND NOT EXACT...JUST RELATIVE SHAPE. TOP INLETS ALLOW AIRFLOW TO ENTER THROUGH TOP OF WING. DUAL LAYERS FORM SLIGHT AIRFOIL. ONLY SINGLE ELEVONS ON PROTOTYPE UNTIL SUCCESSFUL FLIGHT. WORKING AIRBRAKE, ALTHOUGH TEST WILL BE CONDUCTED AT REASONABLE ALTITUDE JUST TO BE SAFE. DESIGNED FOR EITHER EDF OR PUSHER, AND WILL GO WITH A PROP VERSION ON THE TEST VEHICLE.

TEST PLATFORM CONSTRUCTED OF FOAM BOARD, NEXT VERSION WILL HAVE REVISIONS AND DEPRON CONSTRUCTION. PLANS TO FOLLOW IF THIS CONCOCTION OF FOAM AND GLUE INDEED FLYS.

AND BEFORE I GET CALLED OUT, I KNOW THE CANOPY ISNT SCALE...NEITHER IS THE LENGTH, OR BRAKE POSITION, OR SPLIT ELEVONS, OR THE BEND IN THE BEAK...AND THE PILOT/ENGINEER IS NEITHER RUSSIAN OR INDIAN.

WINGSPAN-28"
LENGTH-40"
WEIGHT-CLASSIFIED

NOW, LET THE COMMENTS AND CRITICISMS COMMENCE.





Last edited by FRIENDLY FIRE; Aug 31, 2011 at 02:54 PM.
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Sep 01, 2011, 01:39 AM
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LuvEvolution7's Avatar
I think you are off to a good start. it looks like the concept plane.
Sep 01, 2011, 03:00 AM
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mesnick's Avatar
compliment a nice job
I like to see progress
Mesnick
Sep 01, 2011, 12:39 PM
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THANKS GUYS

HERES A FEW PICS OF THE PROTOTYPE BUILD PROGRESSION, DONT WANT TO PUT TOO MUCH DETAIL UNTIL THE BUGS ARE WORKED OUT...ON THE NEXT BUILD I'LL OUTLINE MORE STEP BY STEP ASSEMBLY.














Sep 01, 2011, 12:54 PM
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Sep 02, 2011, 07:37 AM
it wasn't me flying that plane
Hover or die's Avatar
Nice looking start...Certainly nothing to be ashamed of!!Nothing like building from pics and you have done a fine job..Good luck on your maiden!
Take care............Chris
Sep 02, 2011, 12:31 PM
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HERE YOU CAN SEE THE INLET FROM THE TOP LAYER SINKS INTO THE OPENING IN THE BOTTOM LAYER ADDING TO, FOR GOOD OR BAD, THE AIR FLOW OF THE LOWER INLETS...WE WILL SEE.





Sep 02, 2011, 12:34 PM
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PROFILE-ISH SHOT SHOWING ARC IN WING...





Sep 02, 2011, 03:14 PM
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LuvEvolution7's Avatar
looks great to me. those upper inlets shouldn't give you too many problems, as long as they aren't too close to the fans. they'll basically act like cheater holes. this won't be great for top speed, but will be awesome for static thrust for takeoff and vertical maneuvers. this is all dependant on your intake area and what percentage of FSA they are, without the top inlets. it would be interesting to know what the area of the bottom inlets are and the top inlets, then combine them together and put that against the area of your fans.

is this for single fan, or twin fans? if it's a single, all those intakes might be too much and you'll scrub top speed, which isn't really an issue anyway.

Rich
Sep 03, 2011, 07:54 AM
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D_FAST's Avatar
great start! love the look of this bird.
Sep 04, 2011, 07:27 AM
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frank40's Avatar
Looks great FRIENDLY FIRE, glad you are friendly
Sep 10, 2011, 06:50 PM
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Rich-it will be for twins, although that will be later, and better thrust in exchange for high speed is cool for a first version, for me at least...tests will tell all.

Thanks guys
Sep 10, 2011, 06:53 PM
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HERE IS A SHOT OF LIGHT OUTSIDE OF THE INLET, AND ONE WITH LIGHT COMING THHROUGH THE UPPER INLET







Sep 10, 2011, 06:55 PM
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AND THE AIRBRAKE...





Sep 12, 2011, 01:47 PM
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hey i built mine but its very tail heavy
I havent had time to post the pics yet but here was my startup page

https://www.rcgroups.com/forums/show...1456436&page=1


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