Bird type airplane - Page 13 - RC Groups
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May 06, 2012, 02:49 PM
Registered User
Quote:
Originally Posted by bluefalconhollan
Sure, John is a very good friend of mine!
I did post this video in another topic but I thought this might be nice to post it here as well:

http://www.youtube.com/watch?v=BCOOklAyl4Q

It is a bird type glider, the motor is mounted in the neck. 2.3 m spann. The fuselage is made of fiberglass and the wings made of EPS covered by glass. As soon I finished the FPV equipment and paint I will post a video of the next flight.
Robert,thanks for the reply and for the video.It's good to have friends like Videler .I am sure your disquisitions are very interesting and last hours.
Do you use the same molds for this new bird fuselage as for your Bald Eagle ornithopter?
Do you know how much is a weight only of the body fiberglass shell and what approximately are sizes of this body and how thick is the wall ?What kind of material are your molds made?
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May 07, 2012, 12:28 AM
Kjell Dahlberg
KJELL's Avatar
Quote:
Originally Posted by bluefalconhollan
It is a bird type glider, the motor is mounted in the neck. 2.3 m spann. The fuselage is made of fiberglass and the wings made of EPS covered by glass. As soon I finished the FPV equipment and paint I will post a video of the next flight.
Robert. I like your new propeller design. It is your newest invention? Can you give some more details? RPM, Motor and Gears?
May 07, 2012, 01:42 AM
Closed Account
Yes, the fuselage is the same as for the Bald Eagle orni. The molds are also made from fiberglas. Thickness of the fuselage shell is 2 x 165 gr. glas fabric and in the middel 2 layers more.

The prop in the neck is very simple. It makes the model more realistic. The motor in front of the fuselage is the best place for a madel airplane. You can also make a camera in the head of the bird and having a clear view. The motor shaft is a tube and wires can through it. The motor is a 500W outrunner 1250KV. The prop adapter has a diameter of 80mm, prop size 8 x 6.
May 07, 2012, 02:53 AM
Kjell Dahlberg
KJELL's Avatar
Quote:
Originally Posted by bluefalconhollan
Yes, the fuselage is the same as for the Bald Eagle orni. The molds are also made from fiberglas. Thickness of the fuselage shell is 2 x 165 gr. glas fabric and in the middel 2 layers more.

The prop in the neck is very simple. It makes the model more realistic. The motor in front of the fuselage is the best place for a madel airplane. You can also make a camera in the head of the bird and having a clear view. The motor shaft is a tube and wires can through it. The motor is a 500W outrunner 1250KV. The prop adapter has a diameter of 80mm, prop size 8 x 6.
Thanks for this information.Do you make the motor? What is the RPM of the propeller shaft?
Do you think it is better to have a 4 blade propeller?
May 07, 2012, 04:03 AM
Closed Account
No, the motor is standard just adapted to the prop adaptor. The shaft doesn't roted at all, the bell does the job.

I still have to do some experiments, maybe 3 or 4 blades are an option.
Last edited by bluefalconhollan; Mar 03, 2016 at 02:23 PM.
May 07, 2012, 07:29 AM
Kjell Dahlberg
KJELL's Avatar
Thanks for all this información.
Are you don’t using this motor?
May 07, 2012, 07:40 AM
Closed Account
Quote:
Originally Posted by KJELL
Thanks for all this información.
Are you don’t using this motor?
I'm now testing with this motor: http://www.modellhobby.de/Motoren/E-...&c=3258&p=3258
May 12, 2012, 01:11 PM
Closed Account
All electronic parts finished and the paint almost done....can't wait to fly.
Last edited by bluefalconhollan; Mar 03, 2016 at 02:23 PM.
May 12, 2012, 01:15 PM
Registered User
G-LO's Avatar
Now its complete.
May 13, 2012, 06:14 AM
Registered User
therealthing691's Avatar
that looks great get it up real high in the air and circle it and it would look like the real thing looking for prey regards Brian
Last edited by therealthing691; May 13, 2012 at 08:11 AM.
May 22, 2012, 07:44 AM
Closed Account
Quote:
Originally Posted by therealthing691
mount the wing tip feathers and im done
Do you have the turkey vulture already on the wing?

Because I live in a flat country I have ad a motor to my bird. I made a head from fiberglass. The propadapter is costum made and I can use a folded prop. Soon I can fly again.
Last edited by bluefalconhollan; Mar 03, 2016 at 02:23 PM.
May 22, 2012, 11:51 PM
Registered User
therealthing691's Avatar
Quote:
Originally Posted by bluefalconhollan
Do you have the turkey vulture already on the wing?

Because I live in a flat country I have ad a motor to my bird. I made a head from fiberglass. The propadapter is costum made and I can use a folded prop. Soon I can fly again.
No i havent yet Robert but i have noticed the forward wing tip feather it seems to get a little flex through the carbon rod when force is applied which worrys me a bit . I just have the rear feathers to do when i get time i have mounted the motor but it just mounts on the front and the head plugs off .I do like the way you have done yours Robert it looks excellent
regards Brian
Australia is quite flat too Robert not quite as holland it has some places to slope soar but that was my reason for adding a motor as well
Last edited by therealthing691; May 23, 2012 at 12:34 AM.
May 24, 2012, 12:21 PM
Closed Account
Brain, I can make a fiberglas head for you and send it.


RC Turkey Vulture (4 min 33 sec)
Last edited by bluefalconhollan; May 24, 2012 at 12:28 PM.
May 24, 2012, 02:28 PM
There's magic in those wings !
khaled_abobakr's Avatar
Quote:
Originally Posted by bluefalconhollan
Brain, I can make a fiberglas head for you and send it.


http://www.youtube.com/watch?v=GJw6cdmTZFY
I wonder when I can see post like this

Quote:
Originally Posted by bluefalconhollan
Khaled, I can make a Bald Eagle for you and send it... yes you're right .. the one you saw FLAPPING in my videos


http://www.youtube.com/watch?v=GJw6cdmTZFY
Hmmm... what a sweet day dream

Khaled
May 24, 2012, 09:23 PM
Registered User
Khaled - stop day dreaming. Be a man


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