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Print and fly your own classic Ryan STM from the golden age of aviation.
The Ryan STM is approximately 1:10 scale with a wingspan of 1 meter.
It’s a nice flyer for the intermediate or experienced pilot.
It can also be a little more tricky to bild, with a lot of small and tight parts. Especially in the tail.
But you’ll be rewarded with a really nice looking and quite true to scale plane that you can add as much detail as you want to.
“This is a damn nice model that was a joy to build.”
Patrick Godsil
Builder
Wingspan: 1000mm
Length: 736mm
Print weight: ≈500g
Take off weight: ≈650g
Wing loading: ≈45g/dm2
4 channel radio
3mf-files
2 decal sheets
Files for instrument panel
Cutting templates for the wind shields.
Files for dummy engine
Printer
3d printer with a build volume of at least 200x200x200mm and a 4mm nozzle.
Materials
All you need to complete the build.
LW-PLA (Colorfabb)
Ordinary high quality PLA
TPU or VarioShore TPU
Motor: 2308 or 2208 1800KV
http://shop.dualsky.com/eco-2308c-v2-series-brushless-outrunners-2208_p0274.html
ESC: 25A
https://www.banggood.com/sv/ESKY-EK1-0350-14_8V-25A-2-3S-Brushless-ESC-With-5V-2A-BEC-For-RC-Models-p-1381778.html
Propeller: 9×6
https://www.banggood.com/GEMFAN-GF-8040-8060-9045-1050-1070-9060-Electric-Propeller-CCW-1-Pair-p-977960.html
Battery: 2S 1300 mAh
https://www.banggood.com/sv/URUAV-GRAPHENE-2S-7_4V-1300mAh-100C-Lipo-Battery-XT60-Plug-for-RC-Racing-Drone-p-1717719.html
Other parts
Carbon rods: 5mm, 3mm and 1mm
Piano wire 1mm for pushrods
4 small screws
0,8mm soft steel wire
1mm elastic thread
M5 nut
Tools
To make things easier you’ll need some tools.
Small side cutter
Sharp scalpel
Small files
Pliers
Razor saw
CA glue and activator
About the Ryan ST
The Ryan ST was designed by Paul Ryan in 1933 and flew for the first time in June 1934. ST stands for sport trainer.
The Ryan STM was the military variant, very similar to the STA (A for aerobatic) with a stronger engine than the ST.
The construction was a semi-monocoque fuselage with alclad sheeting. The outer wing sections was wooden ribs and alclad spars with canvas cover.
STM primary users
United States Army Air Forces (YPT-16)
Netherlands East Indies Army and Navy
Royal Australian Air Force
Please download this wing part to try it out.
Flodin Modelworks
A part of Flodin Works AB
Åsögatan 103, Stockholm
Sweden
hej@flodinworks.se
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