Super box fly 20 conversion is awesome!
#1
This was originally a high-wing trainer called a Supet Box Fly 20.
The frame is Balsa covered with thin foam which has the graphics printed on it. They were made in Japan or China back in the 80's.
i could never get it to fly very well. I actually crashed it twice nose in! I ended up just taking all of the electronics out of it and pushed it aside with some other abandoned planes that I gave up on.
Then over the winter I got bored and dreamed up an idea; take the Super Box Fly and convert it to a low wing sport plane and see what happens.
i cut out the wing opening on the bottom and reinforced it with Balsa, filled in the wing opening on the top,
extended the firewall about 1-1/2", converted it to a tail dragger, mounted micro servos in the wing and at the tail section and put a power 400 brushless in runner without a gearbox, 60 amp esc and a 3s 11.1 3200 lipo. battery.
The result? One word; AWESOME!!!!
This plane has unlimited vertical and outstanding sport performance! I had a blast flying this plane for the first time today! It flies just as good as my super sportster!
i have a few other trainers just gathering dust in the shop......maybe next winter!
The frame is Balsa covered with thin foam which has the graphics printed on it. They were made in Japan or China back in the 80's.
i could never get it to fly very well. I actually crashed it twice nose in! I ended up just taking all of the electronics out of it and pushed it aside with some other abandoned planes that I gave up on.
Then over the winter I got bored and dreamed up an idea; take the Super Box Fly and convert it to a low wing sport plane and see what happens.
i cut out the wing opening on the bottom and reinforced it with Balsa, filled in the wing opening on the top,
extended the firewall about 1-1/2", converted it to a tail dragger, mounted micro servos in the wing and at the tail section and put a power 400 brushless in runner without a gearbox, 60 amp esc and a 3s 11.1 3200 lipo. battery.
The result? One word; AWESOME!!!!
This plane has unlimited vertical and outstanding sport performance! I had a blast flying this plane for the first time today! It flies just as good as my super sportster!
i have a few other trainers just gathering dust in the shop......maybe next winter!
Last edited by Hortco; 03-22-2015 at 05:31 AM.
#2
Neat conversion, Hortco. How many watts is the motor? i like the adjustable motor mount... I don't think I have seen one like it. Where did you get it? Also, What size prop are you using?
It seems to me that a 60 amp esc is big for this?
I am using a 30 amp esc on my super cub and a 480 outrunner with a 9X5 prop... it seems to keep the amps under 30. I want to use a larger prop, but I need to put a watt meter on it to see exactly where I am.
It seems to me that a 60 amp esc is big for this?
I am using a 30 amp esc on my super cub and a 480 outrunner with a 9X5 prop... it seems to keep the amps under 30. I want to use a larger prop, but I need to put a watt meter on it to see exactly where I am.
#3
I don't know how many watts the motor is-I got it with a bunch of rc stuff at an estate sale and it has no marking on it. Yes-60 amp is a bit much but it was all that I had.
The prop is a 10x6. The motor mount is available at Tower Hobbies- made by Great Planes for medium-sized electric motors but they also make them for small and large motors. It is super light weight aluminum and has a ton of adjustments. One of the best motor mounts out there!
The prop is a 10x6. The motor mount is available at Tower Hobbies- made by Great Planes for medium-sized electric motors but they also make them for small and large motors. It is super light weight aluminum and has a ton of adjustments. One of the best motor mounts out there!




