hsquier
Junior Member
Hi everyone,
I'm always ready to start lots of new projects, but some times it's good to finalize ... to draw a conclusion.
Here the finalized project of a fun little profile F4F (interesting exercice by the way). When something is finished you can serenely start a new one.
Building aventure (photos and video) is detailed in an other thread :
https://forum.flitetest.com/index.php?threads/grumman-obsession-and-other.66365/page-3
I can attest it's fun to fly.
Main characteristics are :
Wing span 80 cm
Wing Surface 12,8 dm2
Airfoil naca2412
Weight 285 gr
Wing loading 22,5 gr/dm2
Angle of attack 1,8°
Motor Protronik 2203 2100Kv, 50 W
Down thrust 1.5-2,0°
Lipo 2S, 800 mAh
Propeller APC slow fly 9 4.7
ESC 12 A
Servo 2 x « 5gr » (rudder, elevator), 1 x « 9 gr » ailerons
Fuselage is made with 3 sheets of 6 mm depron.
If no undercarriage think of protecting the fuselage belly by what you want (multi layer tape, barbecue sticks ...).
Wings are hot wired of extruded foam, but "flite test" builder will easily convert them with fold card board foam.
Well ... It's now done. Ready for new projects !
I'm always ready to start lots of new projects, but some times it's good to finalize ... to draw a conclusion.
Here the finalized project of a fun little profile F4F (interesting exercice by the way). When something is finished you can serenely start a new one.
Building aventure (photos and video) is detailed in an other thread :
https://forum.flitetest.com/index.php?threads/grumman-obsession-and-other.66365/page-3
I can attest it's fun to fly.
Main characteristics are :
Wing span 80 cm
Wing Surface 12,8 dm2
Airfoil naca2412
Weight 285 gr
Wing loading 22,5 gr/dm2
Angle of attack 1,8°
Motor Protronik 2203 2100Kv, 50 W
Down thrust 1.5-2,0°
Lipo 2S, 800 mAh
Propeller APC slow fly 9 4.7
ESC 12 A
Servo 2 x « 5gr » (rudder, elevator), 1 x « 9 gr » ailerons
Fuselage is made with 3 sheets of 6 mm depron.
If no undercarriage think of protecting the fuselage belly by what you want (multi layer tape, barbecue sticks ...).
Wings are hot wired of extruded foam, but "flite test" builder will easily convert them with fold card board foam.
Well ... It's now done. Ready for new projects !
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