F104g 1:4 scale
#1
Thread Starter
F104g 1:4 scale
Hello,
this is the second flight of my new 1:4 scale Starfighter.
Not yet painted, I'll paint it as soon as possible.
29 kg at take off, behotec 165, all wood.
I draw it myself using catia, all parts are laser-cut.
I hope that you like it!
http://www.youtube.com/watch?v=Pu2x9PQjk7c
regards
damiano
this is the second flight of my new 1:4 scale Starfighter.
Not yet painted, I'll paint it as soon as possible.
29 kg at take off, behotec 165, all wood.
I draw it myself using catia, all parts are laser-cut.
I hope that you like it!
http://www.youtube.com/watch?v=Pu2x9PQjk7c
regards
damiano
#6
RE: F104g 1:4 scale
Very nice Damiano...
I could only start something like that when I retire. Full time job and 4 kids
The landing gear is commercial or did you do it yourself? The plane seems very low on the ground.
Congratulations
Nuno
I could only start something like that when I retire. Full time job and 4 kids
The landing gear is commercial or did you do it yourself? The plane seems very low on the ground.
Congratulations
Nuno
#7
Thread Starter
RE: F104g 1:4 scale
The gears are made by Behotec(very strong, the best), distance from ground is (about)in scale. My target are not to build a superscale but a "weekend model", I make about 10 flight per week and I want to reduce maintenance timing as much as possible.
damiano
damiano
#10
Thread Starter
RE: F104g 1:4 scale
Meesh, thank you.
I can cut my model in 9 parts: nose, front fuselage, central fuselage, rear fuselage with rudder, elevator, 2(little)wings, 2 wing tank.
In a little station wagon with 3 persons I transport it with all tools!
damiano
I can cut my model in 9 parts: nose, front fuselage, central fuselage, rear fuselage with rudder, elevator, 2(little)wings, 2 wing tank.
In a little station wagon with 3 persons I transport it with all tools!
damiano
#18
Thread Starter
RE: F104g 1:4 scale
Thank you very much, I'm really surprised about you comments!!!
I've not yet decided what paint scheme I'll apply but, sure, italian scheme special paint!!!
Here you can find some other picture and the first flight video.
http://www.youreporter.it/video_F-10...Damiano_Orizio
http://www.youreporter.it/video_F-10...miano_Orizio_2
damiano
I've not yet decided what paint scheme I'll apply but, sure, italian scheme special paint!!!
Here you can find some other picture and the first flight video.
http://www.youreporter.it/video_F-10...Damiano_Orizio
http://www.youreporter.it/video_F-10...miano_Orizio_2
damiano
#23
Join Date: Nov 2003
Location: Curitiba, Parana, BRAZIL
Posts: 4,289
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11 Posts
RE: F104g 1:4 scale
Fantastic work and what a beautiful flight and landing!
hoping not asking too much, but would like to see details on how the fuselage splits in parts and how the parts are attached.
Also found interesting why square section main spars where used in the wings..and certainly look plenty strong!
Enrique
hoping not asking too much, but would like to see details on how the fuselage splits in parts and how the parts are attached.
Also found interesting why square section main spars where used in the wings..and certainly look plenty strong!
Enrique
#24
Thread Starter
RE: F104g 1:4 scale
Enrique,
To select the section of bar I calculate the force on wing @ 10g, I check what my aluminum supplier has and his material then I make some finite elements analysis to obtain @ 10g the maximum stress lower then yeld.
The used material is EN AW 6082 T6, Rp =250 Mpa and Rm =310 Mpa 20x15 mm thickness=1.3mm.
2 bars are little bit over dimensioned (max stress obtained in traction is about 190MPa), this is not the ideal section, but it is the best solution that I find from my alu supplier!
This kind of calculation was done before starting to engineers the model, the same methodology was used to calculate the gears support.
About the details of splitting, this evening I make some photos!
damiano
To select the section of bar I calculate the force on wing @ 10g, I check what my aluminum supplier has and his material then I make some finite elements analysis to obtain @ 10g the maximum stress lower then yeld.
The used material is EN AW 6082 T6, Rp =250 Mpa and Rm =310 Mpa 20x15 mm thickness=1.3mm.
2 bars are little bit over dimensioned (max stress obtained in traction is about 190MPa), this is not the ideal section, but it is the best solution that I find from my alu supplier!
This kind of calculation was done before starting to engineers the model, the same methodology was used to calculate the gears support.
About the details of splitting, this evening I make some photos!
damiano
#25
Join Date: Nov 2003
Location: Curitiba, Parana, BRAZIL
Posts: 4,289
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Received 14 Likes
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11 Posts
RE: F104g 1:4 scale
Thanks Damiano, and great model analysis .. also a good thing about beefing up the wing is making it plenty rigid for holding those big tip tanks without any oscillation.
looking forward for the pics!
all the best, Enrique.
looking forward for the pics!
all the best, Enrique.