₦airaland Forum

timmy2409:
I'm curious to know if this flies. Do you have any videos or pictures of it in flight?

Mr Timmy,if i needed any proof that you never followed this thread from the begining,that dopey question you asked sure clinches it..
You don't want to know about the mechanics,your only curiosity is if it flies right?
Mr Timmy,i haven't mentioned yet in this thread,that i have done any flight test.
I don't rush my projects like that.. Just in case you don't know. I have 6 other different project am working on,more diverse than this one. So i aint done even a maiden.

The main timing,would be a disk cut into a circle,with slots in it. These slots are delibrately cut out to initiate the on and off duration according to the calculation.
so i started with an aluminuim sheet,and my required tools.

Her underneath.

The airplane

It realy pays if anyone hasn't.

Below is my Tx. It is a futaba 6channel programable transmitter. It can be programed to fly a helicopter just as i did in my radio control helicopter. It can also be programed to fly an airplane.
If programed in an airplane mode,you can program it to be able to fly a delta wing,a V tail airplane,and to fly an airplane with a flap,usually called flaperon.
I have programed my Tx to fly in flaperon mode,and not normal mode. I shall tell you why. To fly an airplane in normal mode,you need only one servo to operate the two ailerons on the main wing,because there is only one channel assigned for the aileron in the receiver.
When you plug this servo into the aileron channel in your receiver,it will operate the ailerons wheneve you push the aileron joystick in your transmitter.
But this setup requires you mounting alot of pushrods here and there in such a way that if the left aileron tilts upwards,the right aileron should tilt downwards,and having to cope with alot of trimmings during setup. Besides that,i hadn't enough pushrods to do that. So i choose to use two servo. One mounted near each servo. So i need just two pushrod to do that,and not have to worry about a network of pushrods doing their thing!
So with two servos to cope with,and only one channel for both of them. How do i stuff the the two servos into one channel?
Well,the practicaly neat way to do that is just to plug the right aileron servo in to the aileron channel in the receiver.
Then plug the left aileron servo into the flap channel in the receiver.
Next is to program the Tx to go into flaperon mode,and there you are.
So when in this mode,you only have to move the aileron joystick of the Tx to like say the left,and the program inside the Tx would tell the receiver to move both the servo plugged into the aileron channel and the servo plugged into the flap channel,in opposite directions,and to move in the other opposite direction if the joystick is moved to the opposite direction. This is done perfectly proportional!
And whenever you flip the flap switch on the Tx,the programe will tell the receiver to move both the servo plugged into the aileron channel and the servo plugged into the flap channel,in the same direction,but this time downward.
They call this flaperon mode.
This futaba Tx is realy exhilarating

I used an acrylic glue to hold both ends of the springs so the won't fall after take-off.

Next came the two springs,to be held in place by the above mentioned set up.

I had a little piece of iron cut and bent into the shape in the pix (the whitish iron rod).
Then i tied it on to the strut of the rear landing gear(the black iron rod),with a copper wire. Then i glued it.
This setup should hold the ends of the spring.

Attaching the fabricated piece and spring in the pix shown above,to the rear landing gear spars. Note that,a quater of it is hinged. This hinged section will take the spring,and flex just as u might do your knees when you jump from the top of a reasonable height to the ground.

So we proceed to revisiting the rear landing gear that will have some sort of shock absorber.

The fabrication goes like these;

I then smeared a bond on the surface,to hold the wires. I would later tape the surface to get it more smoother so i could get rid of eddie swirls.

Next was laying the servo wires. I did this for both sides of the wing.

The Rx was place away from the Esc,so its position was far from the aileron servo leads to reach. I decided to lengthen them by cutting them,attaching a longer wire in between them.
I needed to route the wires through the main wing down to the Rx,and do so with minimal disturbance in the aerodynamic shape of the wing. So to do that,i gave the main wing a groove. I could now lay the servo wires in there,without causing a bump on the main wing area.

So i went ahead to screw it on to the brushless motor.

I cut out an aluminuin sheet,folded it and gave it the required holes. This flange will hold the brushless motor on to the aircraft mainframe.

Next was the elevator. I dug a hole on the rear wing to house the elevator servo,then i used a bond to hold it.

I went on to fix the aileron servo. I did this whith a bond glue. Acrylic glues are useless here.

My little servo.

The Electronic speed controller. It is programable,and rated at 30amps maximum capacity.

My brushless motor with a modified propeller on it.

zeanslim:
I'm liking what you are doing..

I have some questions

*can I get the plan work of what you are building..? cause I will like to follow up

You can,but it's commercial.

zeanslim:
*how much does the materials needed to complete cost ?

with all those electronic gadgets,i would say around 12k.

zeanslim:
*where can I get this materials

You can get them from hobbyking.com

zeanslim:
*you used slippers for the landing gear
.will it be able to roll very well ?

Yes it will. It's got a bearing in it,and the edges are perfectly rounded off.

zeanslim:
lastly do you reside in lag ?

Nope,i don't reside in Lagos. I do reside in Abia state.

And the gyro.

A close up shot on the Rx.

It was time to start installing some of the electronic gadgets that's needed.
I already had mine handy. These include a Tx,Rx,servo,gyro,speed controller and brushless motor.
In the pix below are the servo,Rx(receiver) and a gyro.

Close up shot of the rudder view.

After fixing her.

Had some twisting to be done.

Fixing the aluminuim sheets,and twisting the wires.

I needed six of them. So i made.

So i bent them.

Then i cut the edges,so i could have them bent.