Hi,

I've been a member of this forum since quiet a long time.....  and follow it quiet regularly but have made very few posts (and those also were really not related to RC).
So decided to get on with it....... and make a simple RC plane.

Ended up with a plane that I am calling "The Flying Pomfret" because it's shape is quiet similar to that of the fish.
The entire plane structure is made from just 3 individual pieces, cut from a flat sheet of foam (actually I could make it from just 2) joined together using hot glue. To that I have attached a small motor mounted on a very compact gimbal, whose direction (vector) can be changed by two 9g servos..... that's it.......... No elevator, no rudder, no ailerons...!! ....
The plane has absolutely no moving control surface, just a single thrust vectored motor.

It does not even require a reinforcing spar.

Please see the video.




Prasad

i'd love to fly this! i would love to see more designs on the pure thrust vectoring!

This is pure awesome!     

And great video, Prasad! Thank you for sharing your work. Haven't seen something so innovative here for a long time now.

" Still waters run deep "


most excellent effort -

Do post here more often - we need guys like you.

Its interesting!!!

Awesome..

Very interesting plane! And that was a very well made video. Could you please share some more details of the thrust vectoring mechanism and some close up pictures? How are the flight characteristics of this plane? Is it suitable for a beginner to planes?

Awesome sir
Appreciate your effort in making the video
Great video

 

That was a great video(thrust vectoring) sir. Can I know how did you make those parts and such animation with parts joining I really don't know anything about it.Where to start learning. Even, I want to learn some wonderful works.

   creative work prasad.

Rathi, Swapnil, Saikat, Sathish, Docsree, SK1701, a3ruz, Balakrishna and Manoj...... Thank you very much  .


The thrust vectoring mechanism........ well, the video itself is self explanatory and shows all the parts in detail..... basically, it's a two-axis gimbal (you can use simple pan and tilt mechanisms available of ebay, but they will have a larger form factor). To make the gimbal very compact, I had to place the servos as close as possible to the center of the gimbal, but offset the axis of the servos from that of the gimbal. To transfer the rotation I wanted to use gears but I could not find any of the correct size, hence used a pulley system. The pulleys are cut out from a ballpoint pen and the handle of a rubber stamp. A nylon string is run around them and glued to the far end of the pulleys (with a dab of feviquick) to prevent slipping. 


This is the very first plane that I have made....... and the only one I have ever flown......!!!!! .......... so what can I say about it....
From the construction point, I've made it as easy as possible..... there is hardly anything to make..... the only tricky part is the gimbal, but that also could be bought off the shelf.


I have modeled all the parts and animated them using Autodesk Inventor. (You could do it in any other 3D modelling software ...... like Catia, ProE, SolidWorks, etc).
Where to start learning?....... I had done it using Tutorials available in the software itself (if you have the patience to read and follow everything that is written), else I would recommend professional training.

Great work sir, simply superb. Another inspiration. 

@anwar

Dear Admin,

Requesting you to please move this topic back to the "Self-designed, DIY" category, where it was originally posted.
Don't you think it belongs over there  .

Great its a very innovative plane
Flies like an rc ultralight trike.

@prasad.chodankar,
Sir,
The most innovative, successfully implemented new idea I've seen on RCI so far.
And the best instructional video too.
Welcome back.
Regards

GD, RCNeil and Mr. Iyer ...... Thank you very much  Smiley  .

@K K Iyer,
Was eagerly waiting for your post....... thank you once again.

Its awesome prasad.

Do you have the diagram for the foam cutting?
Which bldc you used?

Finally, something completely new after a long time

Kudos! 

Very innovative 

Nice! Great work Prasad

Can i have the plans for the thrust vectoring mechanism please???

Shivakumar, Anwar, Mr. Rai and Girish ...... Thank you very much    .
And that was a pleasant surprise from you Mr. Rai .... Thank you once again.

---

I am posting more details of the Pomfret now. My intention was to keep the design very easy to make and low in cost.

The parts that I have used are.
5030 Gemfan propellor             |1 No.  |  60 Rs. | from quadkopters.com
Avionic 1818 4500Kv motor       |1 No.  | 505 Rs. | from rcbazzar.com
20A SimonK ESC                     |1 No.   | 685 Rs. | from quadkopters.com ...... (should have used 10 or 12 A)
Avionic AV9A 9g Servo             |2 Nos. | 410 Rs. | from rcbazzar.com
Wolfpack 500mah single cell     |2 Nos. | 440 Rs. | from rcbazzar.com
Depron (1000x600x6mm sheet) |1 No.   |  70 Rs. | procured locally (Dadar)

The gimball was made from some scrap/salvaged material that I had (an aluminium strip, an old CD drive, a pen and acrylic rubber stamp). I have written more about it in the previous post. The whole assembly might have cost less than 20 Rs. I have to admit that making the gimbal can't be termed as "easy". Instead you could use commercially available pan/tilt mechanisms for cameras (cost starts from around 300 Rs.) but the form factor would not be that small.
Hummm... so you can see that the whole thing (without the radio) costs nearly about 2200 rs.
The Tx/Rx is rcbazzar's RCB6i

The AUW is ~ 130gm and the motor and prop combination gives me a max. thrust of ~ 150gm @ 8A .
Wing span - 1000mm and total length 420mm

here is the plan


 

     

Sukhpreet...... Thank you very much  .

VERY NICE

Innovative idea 👏👏👍👍

Nice design....Good Job.

Hello everyone, I just joined this website.

I joined RC India to congratulate, thank and say kudos  to the efforts of Mr Prasad C. for completing and sharing the details for making his first RC plane. This inspires me to start and put my efforts to design and develop my first plane too. I am a complete novice when it comes to RC and even any electronic projects for that matter (though I am an elex engnr  ), but I do understand the theory.

My good wishes with all DIY'ers.... bye.

Really grate idea.
Quite similar to balloon flier...
http://www.rcgroups.com/forums/showpost.php?p=28877922&postcount=63