RC India
Welcome Guest, please login or register.
 
Pages: [1]   Go Down
0 Members and 1 Guest are viewing this topic. Topic Tools Topic Tools 
Read
« on: July 07, 2011, 10:33:03 PM »
PankajC
Plane Lover
Forum Hero

*****

Reputation Power: 13 
PankajC has no influence.
Offline Offline

City: Delhi
State: Delhi
RC Skills: Beginner
Posts: 1022
Join Date: Jul, 2009

Learning to Fly




This has just got to be my most ambitious build. I am just in love with this bird and the idea of build is so strong - I just cant explain

So what am I attempting here?

A twin engine pusher jet

Would have electrical retracts - Ordered

Would have slats and flaps on the flap channel - with speed control - received the speed controller

Would have Dual 2826/6 2200Kv motor on 7x4 prop with 2 x 40 amp ESC and a vtail mixer to balance the motors (thats approx 600 w of power) - received all these 

360 degree thrust vectoring  - 180 controlled by moving the motor along with the elevator with 10KG servo and the other 180 degree with adjusting the motor speed of the two motors - 10KG servo ordered

Controls would have ailerons, canards and tailerons/stabilators, rudder - thats about 8 servos have upward of 10servos in hand

battery would be 2x1600mah nanotech lipo (not sure if I need to go  higher)

Dimensions

Length approx 60 inch
Wingspan approx 45-48 inch - again 2 part wing

construction materials - again 5mm biofoam with lots and lots of reinforcements - covered with fiber glass cloth and epoxy


some image downloaded from the web for reference



 


su37usuperflankerbf6.jpg
Building a twin pusher SU-37 Super Flanker
* su37usuperflankerbf6.jpg (59.83 KB, 800x534 - viewed 4406 times.)
Logged

Spektrum DX6i | EP Pusher Trainer | EP CUB |
 

Read
« Reply #1 on: July 07, 2011, 10:40:26 PM »
VC
Boat Lover
Forum Hero

*****

Reputation Power: 64 
VC is a rising star!VC is a rising star!VC is a rising star!VC is a rising star!VC is a rising star!VC is a rising star!
Offline Offline

City: Guwahati
State: Assam
RC Skills: Beginner
Posts: 5598
Join Date: Nov, 2009

L'enfant Terrible du RCIndia



This is going to be, IMHO, the Mother of all scratchbuilds if you can pull it off. All the very best - do it!
Logged

Growing old is mandatory, growing up is optional!
 

Read
« Reply #2 on: July 07, 2011, 11:18:27 PM »
PankajC
Plane Lover
Forum Hero

*****

Reputation Power: 13 
PankajC has no influence.
Offline Offline

City: Delhi
State: Delhi
RC Skills: Beginner
Posts: 1022
Join Date: Jul, 2009

Learning to Fly



Thanks VC, well its going to be an expensive one too with all the electronics going in Cheesy

Anyway, I think I will wait for the retracts to be delivered and then build a frame to support the basic functions in wood and/or CF. Once done, then put biofoam around it

Pankaj
Logged

Spektrum DX6i | EP Pusher Trainer | EP CUB |
 

Read
« Reply #3 on: July 07, 2011, 11:20:08 PM »
AEROVISHWA
Its Your LIFE... Make it LARGE.....
Plane Lover
Forum Hero

*****

Reputation Power: 16 
AEROVISHWA has no influence.
Offline Offline

City: belgaum
State: Karnataka
RC Skills: Intermediate
Posts: 1320
Join Date: Feb, 2011

IN THRUST WE TRUST.....!!



hey why dont you use EDF instead of pusher motors..  ?? Head Scratching
Logged

Aerodynamics are for people who can't build engines.
-Enzo Ferrari

https://sites.google.com/site/vishveshkakkeri93/
HAPPY LANDINGS
 

Read
« Reply #4 on: July 07, 2011, 11:22:44 PM »
PankajC
Plane Lover
Forum Hero

*****

Reputation Power: 13 
PankajC has no influence.
Offline Offline

City: Delhi
State: Delhi
RC Skills: Beginner
Posts: 1022
Join Date: Jul, 2009

Learning to Fly



from what I read in various posts, pushers are easier to handle and actually are more efficient in terms of price to performance ratio
Logged

Spektrum DX6i | EP Pusher Trainer | EP CUB |
 

Read
« Reply #5 on: July 07, 2011, 11:35:47 PM »
AEROVISHWA
Its Your LIFE... Make it LARGE.....
Plane Lover
Forum Hero

*****

Reputation Power: 16 
AEROVISHWA has no influence.
Offline Offline

City: belgaum
State: Karnataka
RC Skills: Intermediate
Posts: 1320
Join Date: Feb, 2011

IN THRUST WE TRUST.....!!



but EDF will give you more scale looks on the ground.  after having everything like the slats, flaps , gears etc would not like to miss on a scale look by using pusher Head Scratching
Logged

Aerodynamics are for people who can't build engines.
-Enzo Ferrari

https://sites.google.com/site/vishveshkakkeri93/
HAPPY LANDINGS
 

Read
« Reply #6 on: July 08, 2011, 08:40:53 PM »
ritz
Plane Lover
Senior Member
***

Reputation Power: 2 
ritz has no influence.
Offline Offline

City: jaipur
State: Rajasthan
RC Skills: Beginner
Posts: 123
Join Date: Jan, 2011



hlo sir
great planing of making this scratch built
the Mother of all scratchbuilds as vc sir said
can u tell me how much is all costing app.
Logged
 

Read
« Reply #7 on: July 08, 2011, 09:26:06 PM »
PankajC
Plane Lover
Forum Hero

*****

Reputation Power: 13 
PankajC has no influence.
Offline Offline

City: Delhi
State: Delhi
RC Skills: Beginner
Posts: 1022
Join Date: Jul, 2009

Learning to Fly



not sure.. the electronics alone would be over a 120$, then there would a huge investment in time and building material
Logged

Spektrum DX6i | EP Pusher Trainer | EP CUB |
 

Read
« Reply #8 on: July 08, 2011, 09:34:04 PM »
VC
Boat Lover
Forum Hero

*****

Reputation Power: 64 
VC is a rising star!VC is a rising star!VC is a rising star!VC is a rising star!VC is a rising star!VC is a rising star!
Offline Offline

City: Guwahati
State: Assam
RC Skills: Beginner
Posts: 5598
Join Date: Nov, 2009

L'enfant Terrible du RCIndia



Pankaj, go for it. Once you complete this beauty and fly her, it will be an inspiration for all of us. I'm just being selfish!
Logged

Growing old is mandatory, growing up is optional!
 

Read
« Reply #9 on: July 08, 2011, 09:44:59 PM »
ritz
Plane Lover
Senior Member
***

Reputation Power: 2 
ritz has no influence.
Offline Offline

City: jaipur
State: Rajasthan
RC Skills: Beginner
Posts: 123
Join Date: Jan, 2011



i think it would b rs 20000/- without radio
Logged
 

Read
« Reply #10 on: July 08, 2011, 10:17:47 PM »
CrazyPilot
Plane Lover
Forum Hero

*****

Reputation Power: 8 
CrazyPilot has no influence.
Offline Offline

City: Noida
State: Uttar Pradesh
RC Skills: Beginner
Posts: 647
Join Date: Jul, 2010



Sir, I was wondering If i could suggest these instead of pushers.

http://www.hobbyking.com/hobbyking/store/__17231__Turnigy_2226-3000_70mm_EDF_Outrunner_.html
Logged

When you fly electric, fly clean, fly quiet, and fly safe!
 

Read
« Reply #11 on: July 09, 2011, 12:09:39 PM »
PankajC
Plane Lover
Forum Hero

*****

Reputation Power: 13 
PankajC has no influence.
Offline Offline

City: Delhi
State: Delhi
RC Skills: Beginner
Posts: 1022
Join Date: Jul, 2009

Learning to Fly



Thank crazypilot. Will look into it.
At this moment trying Going with the pusher option but as I build I just might change the power system. This may become necessary it the weight goes beyond 1500 gms

keeping the weight down would be a major challenge else will have to increase power substantially. One of challenges that I always face is in controlling the power to weight ratio. Last thing I need is a jet that flies slowly Smiley
Logged

Spektrum DX6i | EP Pusher Trainer | EP CUB |
 

Read
« Reply #12 on: July 11, 2011, 12:25:54 PM »
ashJR7202
Plane Lover
Forum Hero

*****

Reputation Power: 8 
ashJR7202 has no influence.
Offline Offline

City: Pune
State: Maharashtra
RC Skills: Intermediate
Posts: 651
Join Date: Apr, 2010



this is really going to be huge flanker!!!!

how ur planning to achieve 2 axis thrust vectoring!!!!!!

even i have already cut Su-37, ws 28" and planning to go for 360 thrust vectoring with single motor. i have already built single axis thrust vectoring mechanism for my PAK-FA, but struggling to design movement across 2nd axis....

if u could share ur idea, then it might help me!!!

all the best

Ashish
Logged

Hanger: Mini Yak-54| 210 Phantom | SU-47| F-15| EuroFighter|Scrappy|SU 27|Eurofighter|Sukhoi PAK FA
Blade MCX| Blade CP PRO
JR XP7202| DX7
 

Read
« Reply #13 on: July 11, 2011, 02:47:35 PM »
ashJR7202
Plane Lover
Forum Hero

*****

Reputation Power: 8 
ashJR7202 has no influence.
Offline Offline

City: Pune
State: Maharashtra
RC Skills: Intermediate
Posts: 651
Join Date: Apr, 2010



Oppss...i missed, ur going to use variable thrust for other axis.....

in my case i will have to move motor in both axis!!!!
Logged

Hanger: Mini Yak-54| 210 Phantom | SU-47| F-15| EuroFighter|Scrappy|SU 27|Eurofighter|Sukhoi PAK FA
Blade MCX| Blade CP PRO
JR XP7202| DX7
 

Read
« Reply #14 on: July 11, 2011, 03:43:13 PM »
PankajC
Plane Lover
Forum Hero

*****

Reputation Power: 13 
PankajC has no influence.
Offline Offline

City: Delhi
State: Delhi
RC Skills: Beginner
Posts: 1022
Join Date: Jul, 2009

Learning to Fly



single engine TV could best be achieved with a ducted fan unit. Have the duct fixed and create 2 sets of fins (as in air conditioners) that move.
Logged

Spektrum DX6i | EP Pusher Trainer | EP CUB |
 

Read
« Reply #15 on: July 14, 2011, 10:02:30 PM »
PankajC
Plane Lover
Forum Hero

*****

Reputation Power: 13 
PankajC has no influence.
Offline Offline

City: Delhi
State: Delhi
RC Skills: Beginner
Posts: 1022
Join Date: Jul, 2009

Learning to Fly



OK Almost all parts received

2 motors

2 tower pro ESC

1 vtail mixer for controlling the two ESC

IMG_0025.jpg
Re: Building a twin pusher SU-37 Super Flanker
* IMG_0025.jpg (59.95 KB, 800x600 - viewed 1841 times.)
This post has 2 more images(s)/attachment(s). Please login or register to view them.
Logged

Spektrum DX6i | EP Pusher Trainer | EP CUB |
 

Read
« Reply #16 on: July 14, 2011, 10:04:43 PM »
PankajC
Plane Lover
Forum Hero

*****

Reputation Power: 13 
PankajC has no influence.
Offline Offline

City: Delhi
State: Delhi
RC Skills: Beginner
Posts: 1022
Join Date: Jul, 2009

Learning to Fly



Also the Turnigy Retracts


Some images

IMG_0023.jpg
Re: Building a twin pusher SU-37 Super Flanker
* IMG_0023.jpg (74.54 KB, 800x600 - viewed 1787 times.)
This post has 3 more images(s)/attachment(s). Please login or register to view them.
Logged

Spektrum DX6i | EP Pusher Trainer | EP CUB |
 

Read
« Reply #17 on: July 14, 2011, 10:06:43 PM »
PankajC
Plane Lover
Forum Hero

*****

Reputation Power: 13 
PankajC has no influence.
Offline Offline

City: Delhi
State: Delhi
RC Skills: Beginner
Posts: 1022
Join Date: Jul, 2009

Learning to Fly



more images of retract

The question now is how to connect a servo to enable the steering. Any Ideas


IMG_0020.jpg
Re: Building a twin pusher SU-37 Super Flanker
* IMG_0020.jpg (49.09 KB, 800x600 - viewed 1692 times.)
This post has 1 more images(s)/attachment(s). Please login or register to view them.
Logged

Spektrum DX6i | EP Pusher Trainer | EP CUB |
 

Read
« Reply #18 on: July 14, 2011, 10:24:36 PM »
ashJR7202
Plane Lover
Forum Hero

*****

Reputation Power: 8 
ashJR7202 has no influence.
Offline Offline

City: Pune
State: Maharashtra
RC Skills: Intermediate
Posts: 651
Join Date: Apr, 2010



wow things r shaping up! I hav both 2826 n 2212, both r identical, i think power wil also b same. If so then u shd try something more powerful like 2218 or 2836. It wil b killer combination . All the best
Logged

Hanger: Mini Yak-54| 210 Phantom | SU-47| F-15| EuroFighter|Scrappy|SU 27|Eurofighter|Sukhoi PAK FA
Blade MCX| Blade CP PRO
JR XP7202| DX7
 

Read
« Reply #19 on: May 27, 2012, 12:20:41 AM »
vikalp11
explorer
Plane Lover
Senior Member

***

Reputation Power: 2 
vikalp11 has no influence.
Offline Offline

City: mumbai
State: Maharashtra
RC Skills: Beginner
Posts: 137
Join Date: Jun, 2011

Jai Hind



Hi Pankaj, is your project complete? would like to see its pics & videos.
Logged
 

Read
« Reply #20 on: May 27, 2012, 05:41:48 AM »
rcpilotacro
Global Moderator
Forum Hero

*****

Reputation Power: 58 
rcpilotacro is on the verge of being accepted.rcpilotacro is on the verge of being accepted.rcpilotacro is on the verge of being accepted.rcpilotacro is on the verge of being accepted.rcpilotacro is on the verge of being accepted.
Offline Offline

City: Delhi
State: Delhi
RC Skills: Advanced
Posts: 5041
Join Date: Nov, 2010

Practice, and only Practice will make you perfect



Pankaj
1.FB Cloth epoxy and 5 mm foam will end up heavier than if you do it in balsa, get the plan laser cut from VK or any other place, cover it with monokote/ora, easier and better option than this foam epoxy

2. 2826 motor will give you better thrust with a 40 amp ESC. with a 6x4 prop, some 2826 heats up, keep that in mind

3. as regards retracts, you should mod it later, fly it stock initially, if you are going with the option of foam epoxy,

PS
even in real life the TD flies without any frills, with minimum control laws, even the undercarriage is never retracted in the first few sorties, all the best
Logged

Gusty's Hangar and Introduction.

A Good pilot will practice until he gets it right,
A Great pilot will practice until he canít get it wrong.
 

Read
« Reply #21 on: May 27, 2012, 12:04:08 PM »
sundaram
FAN OF FPV FLYING, AERIAL PHOTOGRAPHY & MICRO RC
Plane Lover
Forum Hero

*****

Reputation Power: 38 
sundaram is working their way up.sundaram is working their way up.sundaram is working their way up.
Offline Offline

City: Coimbatore
State: Tamil Nadu
RC Skills: Advanced
Posts: 3406
Join Date: Nov, 2009




2. 2826 motor will give you better thrust with a 40 amp ESC. with a 6x4 prop, some 2826 heats up,

I would second that.

 its better if you go for 2x2200 would be better for CG as well as better power system.
best would be to go for 2 x 2836/4 2200 KV with the above.
Logged

 

Pages: [1]   Go Up
Jump to:  

Related Topics
Subject Started by Replies Views Last post
Su-37 Super Flanker:- Tomhe Plans
Self-designed, DIY and College Projects
rcpilotacro 9 5563 Last post February 16, 2012, 11:47:35 AM
by ashJR7202
Need help in twin pusher setup
Electric Power
rakshitc 8 4261 Last post May 24, 2012, 01:06:14 PM
by roopeshkrishna
Build log: 3ch Twin boom pusher plane
Electric Planes
VTOLkarthik 12 21263 Last post November 05, 2013, 09:15:21 AM
by VTOLkarthik
Twin boom pusher plane depron build
Electric Planes
ramarao 8 4993 Last post March 29, 2016, 06:16:41 PM
by ramarao
Indian Air Force Sukhoi Su-30 NATO:Flanker-C twin turbine and huge smoke
Gas/Glow/Nitro Planes
DominicM 2 281 Last post May 23, 2021, 05:11:19 AM
by sanjayrai55