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« on: June 16, 2011, 06:20:17 PM »
Subir
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Hi everyone

Just finished the EzFly 3Ch Trainer, it is a pusher prop so chances of breaking the prop.

It is made of 10mm BioFoam and the electronics are
Turnigy 2730 Brushless Motor 1500kv
Turnigy 10A Plush Brushless Speed Controller
2 x HXT900
Turnigy Nanotech 1000mAh 3S1P 20C

The plans are at
http://www.rcgroups.com/forums/showthread.php?t=1174874

The electronics for this plane are available as a combo at www.rchobbyaddict.com which also include the push rods, horn, clevis and prop

will maiden it on sat and let you k now how it performed

Regards

Subir

160620110381.jpg
Scratch Build Ezfly 3Ch Trainer
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Subir Agarwal
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Futaba 8FG & 14SG |Sky Raider Mach 1 OS 46AX| Ez Fly |Multiplex Twister EDF Jet | Great Planes Electrifly Syncro EDF |HobbyKing Bixler |Dynaflite PA18 Piper Super Cub kit build 109" WS |U Can Do 3D .46 EL| Hobbyking Yak 55 3D 1096mm EPP| TWM Ultimate|HK Bixler 2 |Seagull CAP 232 DLE20|U Can Do 3D .60 DLE20|Goldwing Corvus Racer 60CC |HK Sky Eye FPV with Arkbird OSD|
 

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« Reply #1 on: June 16, 2011, 11:01:56 PM »
PankajC
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Learning to Fly



Hi Subir,
All the best for the maiden. Looks neat

Pankaj
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Spektrum DX6i | EP Pusher Trainer | EP CUB |
 

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« Reply #2 on: June 16, 2011, 11:34:12 PM »
akky
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I am not weird...Instead i am a bit different....



i see alot of drag  best of luck for the maiden
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Arcarious @ Akky.....
I have never crashed while flying....Its the Landing only that gets me....
Happy Landings....&.....Happy Crashings
 

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« Reply #3 on: June 17, 2011, 09:22:48 AM »
rajathv8
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I think its better to sand the leading edges to a curved shape.
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« Reply #4 on: June 17, 2011, 09:26:11 AM »
abhay
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Wrong Brothers



+1 to rajathv8

you should sand the trailing edge as well.. can do the same for rudder,elevator as well.
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I can take off and fly well. Its landing which sucks Bang HeadBang Head
 

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« Reply #5 on: June 21, 2011, 09:52:27 PM »
Subir
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The plane flew beautifully perfect trainer
Subir

263958_228982480447298_100000066448535_964927_1926558_n.jpg
Re: Scratch Build Ezfly 3Ch Trainer maiden flight Pic
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Subir Agarwal
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Futaba 8FG & 14SG |Sky Raider Mach 1 OS 46AX| Ez Fly |Multiplex Twister EDF Jet | Great Planes Electrifly Syncro EDF |HobbyKing Bixler |Dynaflite PA18 Piper Super Cub kit build 109" WS |U Can Do 3D .46 EL| Hobbyking Yak 55 3D 1096mm EPP| TWM Ultimate|HK Bixler 2 |Seagull CAP 232 DLE20|U Can Do 3D .60 DLE20|Goldwing Corvus Racer 60CC |HK Sky Eye FPV with Arkbird OSD|
 

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« Reply #6 on: June 21, 2011, 09:57:49 PM »
SunLikeStar
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High spirits we have: gravity we flout.



Congrats on the maiden!  Your plane looks beautiful Hats Off
Was it very loud?
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« Reply #7 on: June 30, 2011, 06:46:10 AM »
adyonfire4
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Sir you had posted in my thread ,The plane looks good whats the total cost of making it also i am very familiar with corelDraw but presently my PC doesnot hv it-
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« Reply #8 on: June 30, 2011, 09:04:59 AM »
Subir
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It had very less noise compaired to other electrics i have i waspurring like a kitten.  Grin

Subir
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Subir Agarwal
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« Reply #9 on: June 30, 2011, 09:08:25 AM »
Subir
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The total cost of making the plane. hmmm.

2 sheets of 10mm biofoam  Rs 500/-
getting it cnc cut Rs 500/-
2 tubes of fevicol decoration glue Rs. 50/-
and lot of patience Tongue
you can skip the cnc cut and cut it yourself and save 500/-

so total cost 550/-
Subir
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Subir Agarwal
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Futaba 8FG & 14SG |Sky Raider Mach 1 OS 46AX| Ez Fly |Multiplex Twister EDF Jet | Great Planes Electrifly Syncro EDF |HobbyKing Bixler |Dynaflite PA18 Piper Super Cub kit build 109" WS |U Can Do 3D .46 EL| Hobbyking Yak 55 3D 1096mm EPP| TWM Ultimate|HK Bixler 2 |Seagull CAP 232 DLE20|U Can Do 3D .60 DLE20|Goldwing Corvus Racer 60CC |HK Sky Eye FPV with Arkbird OSD|
 

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« Reply #10 on: June 30, 2011, 10:02:24 AM »
naatumach
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Vaibhav Sharma



Sir
I was wondering, if you can get a cnc cut depron.
Why dont you try to make a wing with a "Proper" well defined airfoil instead of KF airfoil.
If i had access to a CNC i would try out all the aerofoils i could.
Great job on the a/c
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« Reply #11 on: June 30, 2011, 10:30:55 AM »
Subir
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Just made a few changes to the plan and increased the size of the wing to 39inches to give it more glide.
i was getting abt 9to 10 min on a 1000Mah 3S 20C lipo, i increased the wing to get a longer flight time.
i have attached the pics with the mod.


Subir

300620110431.jpg
Modifications to Ezfly 3Ch Trainer
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Subir Agarwal
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Futaba 8FG & 14SG |Sky Raider Mach 1 OS 46AX| Ez Fly |Multiplex Twister EDF Jet | Great Planes Electrifly Syncro EDF |HobbyKing Bixler |Dynaflite PA18 Piper Super Cub kit build 109" WS |U Can Do 3D .46 EL| Hobbyking Yak 55 3D 1096mm EPP| TWM Ultimate|HK Bixler 2 |Seagull CAP 232 DLE20|U Can Do 3D .60 DLE20|Goldwing Corvus Racer 60CC |HK Sky Eye FPV with Arkbird OSD|
 

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« Reply #12 on: June 30, 2011, 10:34:20 AM »
Subir
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you cannot get a airfoil cut with a cnc router you need a cnc hot wire cutter for that ,
which sadly Bang Head i don't know where to get it done the only option is to make a
hot wire bow and do it myself.

Subir
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Subir Agarwal
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Futaba 8FG & 14SG |Sky Raider Mach 1 OS 46AX| Ez Fly |Multiplex Twister EDF Jet | Great Planes Electrifly Syncro EDF |HobbyKing Bixler |Dynaflite PA18 Piper Super Cub kit build 109" WS |U Can Do 3D .46 EL| Hobbyking Yak 55 3D 1096mm EPP| TWM Ultimate|HK Bixler 2 |Seagull CAP 232 DLE20|U Can Do 3D .60 DLE20|Goldwing Corvus Racer 60CC |HK Sky Eye FPV with Arkbird OSD|
 

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« Reply #13 on: June 30, 2011, 11:30:34 AM »
naatumach
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Vaibhav Sharma



what does the cnc router cut? I am guessing it cuts the shape of the wing from the top.
If that is the case then it is possible to cut out various profiles and join them to form a wing like the way it is done in balsa, using ribs.
Cut the ribs using cnc?
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« Reply #14 on: June 30, 2011, 11:34:32 AM »
Subir
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cutting anything is possible with cnc router except the aerofoil design, you can make it using the method you described.

Subir
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Subir Agarwal
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Futaba 8FG & 14SG |Sky Raider Mach 1 OS 46AX| Ez Fly |Multiplex Twister EDF Jet | Great Planes Electrifly Syncro EDF |HobbyKing Bixler |Dynaflite PA18 Piper Super Cub kit build 109" WS |U Can Do 3D .46 EL| Hobbyking Yak 55 3D 1096mm EPP| TWM Ultimate|HK Bixler 2 |Seagull CAP 232 DLE20|U Can Do 3D .60 DLE20|Goldwing Corvus Racer 60CC |HK Sky Eye FPV with Arkbird OSD|
 

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« Reply #15 on: June 30, 2011, 12:14:39 PM »
naatumach
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Vaibhav Sharma



i could if i had access to one.
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Motto: build, fly, and modify.
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No pre-made plans. Use blueprints, make calculations, build, fly, troubleshoot, fly again.
 

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« Reply #16 on: October 02, 2013, 09:57:41 AM »
Rahulvyas
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"If it's man-made and it flies, it will crash."



any flight videos?
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« Reply #17 on: February 17, 2014, 01:26:30 PM »
abheekg
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Dear Sir
In continuation to the pms that we have exchanged I am posting this query on your thread to help future builders get new ideas.
As I have already communicated to you I am contemplating building this plane for a beginner.
The design that I have in my mind is sandwiching a layer of foam between 2 layers of corro for the fuse and use corro for the wings keeping the wing size to 39-40 inches as per your design.

I understand that the overall weight of the model will increase if corro is used which will mean a relook into the electronics.
What is your opinion of such a sandwich design ?

best regards,
Dr. A Ghosh
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« Reply #18 on: February 17, 2014, 06:44:30 PM »
utkarshg13
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Looks neat..
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« Reply #19 on: March 31, 2014, 06:27:57 PM »
rj varun
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Please help me in choosing my first plane..I have two planes in my mind easy star and moss box plane.
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« Reply #20 on: March 31, 2014, 06:33:51 PM »
utkarshg13
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@rj varun. Please stop posting same thing on others thread. I'd replied you in one of the thread  "Moss Box". Kindly go through it once and then move on.
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« Reply #21 on: October 08, 2015, 01:03:45 PM »
thella
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are there steps how to build?
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« Reply #22 on: October 11, 2015, 06:32:24 PM »
kamalsahai
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kindly intimate what is weight of total setup

kp
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« Reply #23 on: October 12, 2015, 09:13:08 AM »
learner
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depending on the build material used the AUW can be between 7Oz to 10Oz.

i built one with 6mm depron, I ended up at 10Oz, if you can get EPP(somehow) then you can easily manage within 8 Oz with standard RC gear.
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