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Dec 02, 2019, 08:00 AM
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3D Printed Goblin - FSW


Starting new 3D printed project.

It is going to be a FSW flying wing. Inspired by Nano Goblin and ZOHD nano dart. A sub 250g plane.
650mm wingspan. 140g of printed plastic.
Currently printing PLA @ 0.3mm wall thickness with 0.4mm nozzle @ .15 layer height.

Motor 1806 max (1306 preffered).
2 x 5g micro servos (good, cheap and realiable HXT 500 servos).
20A ESC max
Flight controller - possible.
TPU printed nose (to protect cam and VTX)
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Dec 03, 2019, 02:27 AM
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Hope to see it flying soon. Looks business!
Might repeat something like this, some day, but for now, my skills won't much the crash resistability of the plastic plane.
Do you have to use a lot of support, when printing something like this?
140 grams sounds really good!
Dec 03, 2019, 05:03 AM
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Absolutely no supports. The structure is designed to be self supporting.
Maybe the nose piese needs a bit - but with good printer the nose section can also be printed without. I am hoping to print it still this year.
Dec 03, 2019, 05:22 AM
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Cheers!
This should be easily scaleable, say to 800mm wingspan?
Dec 03, 2019, 07:40 AM
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Yes. The only limit would be the max print height of your printer. current parts are abt 180 mm tall. Scaling it to 800mm would make it 220mm.
Dec 04, 2019, 03:11 AM
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Looks an quite similar to the Northern Pike https://www.rcgroups.com/forums/showpost.php?p=39985658 But you've seen that thread since you posted there last year.

I love my Pike.
Dec 04, 2019, 07:22 AM
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Yes. But mine is smaller. Much smaller. I have the EPP version of a similar plane (with plank wings). Unfortunately the nose section got completely smeared over the ground. Instead of EPP rebuild I started with canopy design and then I thought to go several steps more. And it ended up with a fully printed plane. I just wanted to try myself as a 3D printed plane designer.
Dec 04, 2019, 01:54 PM
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Quote:
Originally Posted by japim
Yes. But mine is smaller. Much smaller. I have the EPP version of a similar plane (with plank wings). Unfortunately the nose section got completely smeared over the ground. Instead of EPP rebuild I started with canopy design and then I thought to go several steps more. And it ended up with a fully printed plane. I just wanted to try myself as a 3D printed plane designer.
Looking forward to flight video.
Dec 05, 2019, 07:56 AM
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Printing slowly but surely. I hope to get it done during my Christmas Holidays break.
Dec 05, 2019, 08:00 AM
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Using clear PLA. Vertical fins and cyan portion of the fuse are complete.
Dec 05, 2019, 08:24 AM
Maintain Thine Airspeed !
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Will be really interested to see how it turns out. To keep under 250g flying weight with 3D printing will be a difficult task I think but excited to see how it goes
Dec 06, 2019, 03:44 AM
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Another piece ready. This is half of the tail section of center fuselage.

Unfortunately my printing time slot is limited to max 4hr per day.


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