RC India
Welcome Guest, please login or register.
 
Pages: [1] 2  All   Go Down
0 Members and 1 Guest are viewing this topic. Topic Tools Topic Tools 
Read
« on: August 14, 2009, 03:48:58 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!




Hi guys,

I thought this is (Beginners Zone) the most suitable place to post this build log. Actually this is the model called "Trainer One", designed by an US guy, but from Blue cor! And that exact building is somewhat difficult to us, the INDIANS with all the stuff available in our market! So, I started to modify it a little bit and started to build!

You can see the original hot thread of 'Trainer One' here: http://www.rcgroups.com/forums/showthread.php?t=383687 (Plans are also available there)

Here we go:
This is a complete foam plane based on our Favorite THERMACOL (Technically, its an half inch EPS sheet). The plane is 34 WS, 3Ch (Throttle, Rudder and Elevator), Tip dihedral (3") Trainer.

Other specs I wish to incorporate are (I have selected from my collection of RC stuff):
Motor: GWS 12-R-XC Brushed (http://www.gwsus.com/english/product/MOTOR/MOTOR.HTM)
ESC: GWS ICS100 Brushed (http://www.gwsus.com/english/product/speedcontroller/speed%20controller.htm)
Prop: GWS EP3020 (http://www.gwsus.com/english/product/propeller/propeller.htm)
Receiver: Some 6 Channel Hitech (But only 3 ch are required)
Battery: I am gonna use EP Kokkam 11.1V 650mAh 3S, but it will be better if 2S 7.2v is used!
Servos: One is GWS micro and other one is Park zone Micro servo (Which I wanna use from my scratch)
Landing Gear: Custom landing gear (I have composed from scratch).

Tools required (As an INDIAN):
Hot wire Foam cutter (It is easy to make one; If not no problem, one craft cutter will do the thing, but should do cuttings with care, to get smooth surfaces)
Bamboo skewers or Sticks of approx 0.5mm dia
Hot glue (I got one easily in our market of Vizag)
Fevicol SH (White glue)
Araldite (Epoxy; but unfortunately it needs overnight)
Other Misc. items like packing tape (Cello tape)..etc

See the pics of those stuff, and I hope you enjoy this build, which I can post regularly, parallel to my Step wise build. I think I can answer any doubt about these steps.

DSC02826.jpg
"Indian Trainer" Build Log: An Excellent Indian Material Based Trainer
* DSC02826.jpg (50.19 KB, 800x600 - viewed 2756 times.)
This post has 3 more images(s)/attachment(s). Please login or register to view them.
Logged

 

Read
« Reply #1 on: August 14, 2009, 03:55:17 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



So, let us continue to build the body first. We can have the tiled plans from the link I have given you in the beginning at RCG. So, I took the half inch EPS (thermacol) and nicely cut the wing with flat bottom airfoil, and all other parts like Fuse, Stab by using Hot wire Foam cutter. See the pics!

I have hinged the control surfaces of Ruder and Elevator with Packing Tape (Cello tape). Remember to cut one of the surface to 45 degrees slant angle!

DSC02770.jpg
Re: "Indian Trainer" Build Log: An Excellent Indian Material Based Trainer
* DSC02770.jpg (64.09 KB, 800x600 - viewed 2651 times.)
This post has 2 more images(s)/attachment(s). Please login or register to view them.
Logged

 

Read
« Reply #2 on: August 14, 2009, 03:59:42 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



Actually all the previous steps were done two days back, but I started to post today! And today I have marked for cutouts for the equipment on board!

Here are the pics!

Stay glued till it flies! And any doubts are really appreciated, as they may keep me thinking about most practical bugs to fix!

Let me see how all you guys feel up to now!

DSC02822.jpg
Re: "Indian Trainer" Build Log: An Excellent Indian Material Based Trainer
* DSC02822.jpg (55.87 KB, 800x600 - viewed 2244 times.)
This post has 1 more images(s)/attachment(s). Please login or register to view them.
« Last Edit: August 14, 2009, 04:01:15 PM by the merog » Logged

 

Read
« Reply #3 on: August 14, 2009, 11:19:02 PM »
sahilkit
LOVE MICRO RC
Plane Lover
Forum Hero

*****

Reputation Power: 18 
sahilkit has no influence.
Offline Offline

City: Hyderabad
State: Telangana
RC Skills: Beginner
Posts: 1533
Join Date: Mar, 2009

MICROSTAR 2000



nice one merog will be keenly watching  Smiley

best

sahil
Logged

Today might be a great and wonderful day. It depends on you.
 

Read
« Reply #4 on: August 15, 2009, 05:34:05 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



Merog,

How do you manage to make a hotwire cutter?

Logged

Spektrum DX6i | EP Pusher Trainer | EP CUB |
 

Read
« Reply #5 on: August 17, 2009, 07:45:47 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



Dear Pankaj,

The hot wire cutter is a simple Bamboo Bow of 34inch approx. with guitar steel string (ask for guitar steel E) connected to a 12V 3Amp power. Thats all it does the thing.

If you want me to get you some pics of it, give me a day or two, as am very busy at work these days!

Regards...//MEROG
Merog,

How do you manage to make a hotwire cutter?


Logged

 

Read
« Reply #6 on: August 17, 2009, 07:53:44 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



Guys, welcome back...

I forgot to tell you the modifications I have done, apart from the plans there in RCG. They are as follows...

1. I have made it a wing with solid flat bottomed airfoil, so, obviously need to flatten the upper surface of the fuse where exactly the wing will be placed.

2. The battery slot, I made it in such a way that the batt. sets horizontal to the ground (you ll see it in pics later)

3. Changed the servo positions...

4. Ooops, forgot, the main thing is we need to cut the motor and prop grove according to our requirement!

Thats all, these are the modifications.
Am going for the next post for the building process...

Stay glued.... Wink//MEROG
Logged

 

Read
« Reply #7 on: August 17, 2009, 08:03:36 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



Guys,

Now, lets start with the wing. Am attaching all the pics of most possible details, hope they may explain better, as 'one picture speaks thousand words'!

Unlike in the plan, I took the wing in 3 pieces (not 4), to decrease the weight by avoiding glue!

And when attaching the tip pieces for tip dihedral, take the angle to cut at the tips of the middle main piece as shown in the images. Hope the images explain well. If not understood, please post,  I'll clear!

And try to avoid the Hot glue. Be patient, and apply fevicol only and wait! It reduces lot of weight!

And when it is glued and placed to get fit, the dihedral should not be disturbed. The set up for that is in the pic, have a glance!

DSC02846.jpg
The Wing
* DSC02846.jpg (38.63 KB, 800x600 - viewed 2142 times.)
This post has 3 more images(s)/attachment(s). Please login or register to view them.
Logged

 

Read
« Reply #8 on: August 17, 2009, 08:08:25 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



The pics continued...

DSC02856.jpg
The wing... contd...!
* DSC02856.jpg (29.07 KB, 800x600 - viewed 2085 times.)
This post has 3 more images(s)/attachment(s). Please login or register to view them.
Logged

 

Read
« Reply #9 on: August 17, 2009, 08:11:46 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



When we glue it set it up to settle... pics contd....

Remember the height at the tip is 3", which gets the enough dihedral!

DSC02857.jpg
The wing... contd...!
* DSC02857.jpg (59.6 KB, 800x600 - viewed 1894 times.)
This post has 3 more images(s)/attachment(s). Please login or register to view them.
Logged

 

Read
« Reply #10 on: August 17, 2009, 08:24:27 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



Guys,
So, nice wing was made!

Now this is the time to up with the Fuse. Stab is attached again with the Fevicol and a grove at the bottom of the fuse is made with the help of Soldering iron. But should be very careful that it should not be deviate from exact center of the thickness of the thermacol!

And I have made the control horns out of Mobile SIM bearing Cards (I think you got it), or the used credit or debit cards can be used. And the push rods are too in the pic.

While installing the control horns, care should be taken such a way that the hole of the horn comes exactly above the hinge of the elevator/rudder! For that, use a scale as shown in the pic.

That's for now, up to this post, am going to another post to continue!

Stay Fevicoled  Wink


DSC02868.jpg
The stab and fuse!
* DSC02868.jpg (66.45 KB, 800x600 - viewed 1867 times.)
This post has 3 more images(s)/attachment(s). Please login or register to view them.
Logged

 

Read
« Reply #11 on: August 17, 2009, 08:31:44 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



Folks,

now lets do build the most stronger part, the Bamboo Chasis, bearing wheels and tail dagger!

Here, to stick the wheels very tight and strong, I have made a slit in the bamboo stick, inserted the wheel holders' upper tip in that and Hot glued and twined!

Then the tail dagger is of the bicycle spoke, twined and hot glued.

Remember the total length of the Bamboo base stick should exactly be the total of the Fuse with stab. And should fit good in the grove.

Then I put the Bamboo chasis with the Wheels and Tail dagger in the grove and Hot glued.

That's again for now...

DSC02875.jpg
The Bamboo chasis!
* DSC02875.jpg (73.48 KB, 800x600 - viewed 2008 times.)
This post has 3 more images(s)/attachment(s). Please login or register to view them.
Logged

 

Read
« Reply #12 on: August 18, 2009, 05:22:55 AM »
FlyJoe
Plane Lover
Senior Member
***

Reputation Power: 3 
FlyJoe has no influence.
Offline Offline

City: Tvla
State: Kerala
RC Skills: Beginner
Posts: 183
Join Date: Mar, 2009



Neat man. keep the updates and post your maiden. All the best.
Logged

Its better to Crash while Learning on a sim rather than Learn from Crashing on the field
 

Read
« Reply #13 on: August 18, 2009, 07:49:57 AM »
rckatty
Plane Lover
Senior Member

***

Reputation Power: 2 
rckatty has no influence.
Offline Offline

City: Bangalore
State: Karnataka
RC Skills: Intermediate
Posts: 172
Join Date: Mar, 2009



Good going  Clap
Logged

Hangar: SU27 .90, Escape .46,
RDS8000 2.4ghz,
GS Racing 1/8 Truggy,
KM 1/5 Baja,
MX-3 FHSS,
coming soon *XRAY XB808*
 

Read
« Reply #14 on: August 18, 2009, 09:35:44 AM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



Friends...

Hope you are enjoying my post! As no body is posting some doubts to clarify I feel that I could explain very good! And friends, I forgot to tell you another important modification, that is: As this plane is to be equipped with the pusher prop, the motor should be connected reverse. No problem with the function. It plays well, just reverse the polarity, thats it! Orelse the planne goes backwards and hit something (happenned to me before when I was testing one! Cry, which had broken the plane).

Ok, lets have a glance at how the mounts are made on the fuse. Have a glance at the pics, they could explain you how. I have used tooth pics for motor and wing and again Mobile SIM bearing card pieces for the screw mounts for servos.

And according to the pdf plan, we need to place a bamboo stick at the cockpit!

Stay (bamboo)sticked Wink.... till another post!

DSC03040.jpg
Mounts for Servos, Motor and Wing
* DSC03040.jpg (41.11 KB, 800x600 - viewed 1944 times.)
This post has 3 more images(s)/attachment(s). Please login or register to view them.
Logged

 

Read
« Reply #15 on: August 18, 2009, 09:42:13 AM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



Guys,

Now lets install the wing. As I wanted to make it detachable, I have fecilitated it with the tooth pick mounts, so it can be rubber banded. But we need to support it with Bamboo sticks. So, we need to hot glue them under side. But still no problem, if it to be transported, it can still be removed carefully, but need to hot glue again at the tips of bamboo, underneath the wing.

Here are the pics. So, finally the airplane's body will look like this. When we place on the ground, along with the wing, it should stand balanced. If not, need to check out the orientation of the wheels.

It is getting HOT! Is in't it?

DSC03049.jpg
Wing installation!
* DSC03049.jpg (65.72 KB, 800x600 - viewed 1880 times.)
This post has 3 more images(s)/attachment(s). Please login or register to view them.
Logged

 

Read
« Reply #16 on: August 18, 2009, 09:58:56 AM »
sahilkit
LOVE MICRO RC
Plane Lover
Forum Hero

*****

Reputation Power: 18 
sahilkit has no influence.
Offline Offline

City: Hyderabad
State: Telangana
RC Skills: Beginner
Posts: 1533
Join Date: Mar, 2009

MICROSTAR 2000



merog what is your target AUW Huh?

1.the fuse has to be covered with clear tape to give it a very good strength and cover the wing as well !

2.the battery mount section in the fuse's front part is too week please reinforce it !

3.smooth your horizontal leading edge surface!

nice to see the thing coming to life.

best

sahil

 
Logged

Today might be a great and wonderful day. It depends on you.
 

Read
« Reply #17 on: August 18, 2009, 10:03:48 AM »
sahilkit
LOVE MICRO RC
Plane Lover
Forum Hero

*****

Reputation Power: 18 
sahilkit has no influence.
Offline Offline

City: Hyderabad
State: Telangana
RC Skills: Beginner
Posts: 1533
Join Date: Mar, 2009

MICROSTAR 2000



and reinforce the wing center top section with two small pieces of wood to give the foam some strength and prevent the rubber band from damaging the wing

sahil
Logged

Today might be a great and wonderful day. It depends on you.
 

Read
« Reply #18 on: August 18, 2009, 11:57:22 AM »
izmile
Plane Lover
Forum Hero

*****

Reputation Power: 7 
izmile has no influence.
Offline Offline

City: Reading (England)
State: OUTSIDE INDIA
RC Skills: Intermediate
Posts: 591
Join Date: Mar, 2009

I am a Corogamist!



Excellent build.. Clap

I love to have the braces on the tail feathers like you did. It always proves to be worth it.

-Ismail
Logged

"Anything can fly" - SPADs just prove that!
 

Read
« Reply #19 on: August 18, 2009, 01:55:16 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



Dear Sahil,

Thanks for all your suggestions. But I have taped the rubber band portion of the wing, to protect it from tearing, but the tape is invisible as it is transparent.

AUW should be less than 300g, as the motor/prop has a thrust of 300g max. Lets see how it will perform!

Thank you very much once again...//MEROG
and reinforce the wing center top section with two small pieces of wood to give the foam some strength and prevent the rubber band from damaging the wing

sahil
Logged

 

Read
« Reply #20 on: August 18, 2009, 01:59:08 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



Guys,

Now lets go on to the next level. The installation of the on board equipment. And sahil is right. He want me to reinforce the body to have good strength. But let us see, how it does naked!

Here are the pics of completed airplane, with everything RTF.

DSC03053.jpg
Installing on board equipment!
* DSC03053.jpg (59.16 KB, 800x600 - viewed 1927 times.)
This post has 2 more images(s)/attachment(s). Please login or register to view them.
Logged

 

Read
« Reply #21 on: August 18, 2009, 02:06:10 PM »
merog
Scratchest Aeromodelling ;)
Plane Lover
Senior Member

***

Reputation Power: 3 
merog has no influence.
Offline Offline

City: Visakhapatnam (Vizag)
State: Andhra Pradesh
RC Skills: Intermediate
Posts: 193
Join Date: Mar, 2009

Designer and RC Lover!



Friends...

Now as am so anxiuos to test it's functionality and balance on land, let me test it!

So...

Shut all the windows (as it may sounds like hel!)

Shut all the doors...

Switch off the fan...

Here we GOOOOOOOOOOO.......



Thanks for watching. As it is raining here today, I need to find another day wothout much wind and rain, and with good weather to take off! Here in our city Vizag, as it is a beach city, all the days are WINDY!

Please stay glued to watch it flying REAL!
Hope you enjoy!

MEROG
Logged

 

Read
« Reply #22 on: August 18, 2009, 02:28:59 PM »
sahilkit
LOVE MICRO RC
Plane Lover
Forum Hero

*****

Reputation Power: 18 
sahilkit has no influence.
Offline Offline

City: Hyderabad
State: Telangana
RC Skills: Beginner
Posts: 1533
Join Date: Mar, 2009

MICROSTAR 2000



Quote
as the motor/prop has a thrust of 300g max. Lets see how it will perform!

is this the power setup you are using ??

http://www.gwsus.com/english/product/powersystem/edp50.htm

then it can produce only 60grams of thrust at 7.2volts with a EP3020 prop

in the video did you give full power at the end ?? if so then.....lets see what other could say

bye

sahil


« Last Edit: August 18, 2009, 02:31:31 PM by sahilkit » Logged

Today might be a great and wonderful day. It depends on you.
 

Read
« Reply #23 on: August 18, 2009, 02:33:34 PM »
sahilkit
LOVE MICRO RC
Plane Lover
Forum Hero

*****

Reputation Power: 18 
sahilkit has no influence.
Offline Offline

City: Hyderabad
State: Telangana
RC Skills: Beginner
Posts: 1533
Join Date: Mar, 2009

MICROSTAR 2000



oh in the video was the fuse twisting while testing servo movements or cam effect ?

sahil
« Last Edit: August 18, 2009, 04:21:25 PM by sahilkit » Logged

Today might be a great and wonderful day. It depends on you.
 

Read
« Reply #24 on: August 18, 2009, 04:12:50 PM »
Pikle6
Plane Lover
Forum Hero

*****

Reputation Power: 13 
Pikle6 has no influence.
Offline Offline

City: Navi Mumbai
State: Maharashtra
RC Skills: Beginner
Posts: 1050
Join Date: Apr, 2009

VTOL - Vertical Take Off & Landing



great work merog bhaiya just sand the rudder to v type end and the elevator too


subbu
Logged

E.V.Subramanian
Yak55|EasyFly Glider 1.9m|Skyfun|Easystar II|Quad Talon V2|Mini Saturn
 

Pages: [1] 2  All   Go Up
Jump to: