DTFB american dragon biplane

[roversgonemad]

I would increase the size of he tail surfaces a bit and see what that does. At first you might just tape some additional foam in place to see what effect it has.

 

[JUSS10]

here is the latest video

https://www.youtube.com/watch?v=xVxSWP9CZBg

Justin

 

[roversgonemad]

Is it tail heavy? It sure seems to want to drop the tail in the turns. Maybe scoot the CG forward and see what effect it has.

 

[JUSS10]

Well I finally got to fly again (almost two months! been busy!) I added about 1.5" of height to the rear vertical stabilizer and wow what a difference that made! It flys really well now. It still has a little bit of tip stalling but nothing too crazy. I would call a it a good intermediate plane. I have it setup for ailerons so I think I will try that next.

justin

 

[ztoon]

Hi,
that's a nice biplane.
I know that the tittle thread is "american dragon biplane" but I do find the general shape possibly a good start for an Antonov AN2 which I love.
A rounded front fuselage and vertical stab, some eastern colors and...
I found my next project.
thanks for the plans.

 

[JUSS10]

Call it whatever you want! The original plan I got it from was a called the american dragon (or something like that). I'll make sure to get the updated plans up here.

Justin

 

[Tater76]

Looks like the j3 cub I just built with an added wing. My cub is a little loose too. Maybe a tad longer fuselage?

 

[JUSS10]

It flow much better with the taller rudder but I may try lengthening it if I can on the run. Good thought!

 

[Michael9865]

Well I finally got to fly again (almost two months! been busy!) I added about 1.5" of height to the rear vertical stabilizer and wow what a difference that made! It flys really well now. It still has a little bit of tip stalling but nothing too crazy. I would call a it a good intermediate plane. I have it setup for ailerons so I think I will try that next.

justin

Congratulations, problem solving at its finest! Keep tweaking it until you get it as you want it. For me that is a big part of the fun in scratch building airplanes.

 

[JUSS10]

Video: https://www.youtube.com/watch?v=OBy1fE6ZJu0
(I have better quality video but it didn't transfer well. Will update)

 

[gabrielete]

Congratulations that plane flies great! I've built it in balsa and had to put ailerons... I can operate only with rudder only when the ailerons are nicely trimmed. But when you have ailerons what's the point???

Very nice conversion! Kudos to you!!

 

[JUSS10]

yeah I have ailerons on the wing, just never cracked and beveled them. the servo is even installed. It would take 5 minutes to finish but I just love it the way it is.

 

[JUSS10]

Finally got some better resolution video to post. Take a look!

https://www.youtube.com/watch?v=CJn3JtWaDlw&feature=em-upload_owner