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Jun 09, 2018, 02:36 PM
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Build Log

Viator


It's time for a new toy.
It will be affordable midsized sailplane, highly collapsable and easy to transport.
Fully molded, solid core flying surfaces.
I worked on this project for the last six months.
Viator mean traveler in Latin, sort of.

Plane specification.
Last edited by ViktorF; Jul 09, 2018 at 08:13 AM. Reason: Link to spec.
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Jun 10, 2018, 02:06 AM
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First pull from the molds is flyable for a month already. Turned out a bit heavy which is normal for a very first, nevertheless I'm pleased the way it fly.
~50 sq.dm wing area for AUW ~1000 gr means wingloading ~20gr/sq.dm. Not superlight. In this current stage the plane fly with confidence against wind up to 5 m/s.
Target AUW for the light plane will be near 800 gr. Regarding current parts weight It looks quite achievable. They feels overbuilt.
Now I use two 3S battery, 850 and 1300 ma/h. The light one weight 70 gr and I have to move it full forward to balance the plane. So I need to shave some weight from the tail too.
Last edited by ViktorF; Jun 10, 2018 at 02:22 AM.
Jun 10, 2018, 02:23 PM
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Internal dimensions of the transport box.
Jun 10, 2018, 05:20 PM
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Sensoar's Avatar
Very well done! Could I ask what the wing span and Aspect ration is for the fine looking ship.
Jun 10, 2018, 05:45 PM
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Wingspan is 3160mm, root chord 200mm. I'll post full spec sheet when it be done.
Jun 11, 2018, 12:53 AM
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let see what's inside.
Wing is solid core PMI foam, spread fabric 38gr +/-30 degree for skins.
Simple and effective top drive.
Jun 11, 2018, 07:13 AM
Oleg Golovidov
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Very nice servo frames, Viktor!
Looking forward to more info about the plane!
Jun 11, 2018, 12:40 PM
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Step by step.
Main wing joiner crossection 25x12.5mm, tip joiners 8mm round. Wanna try F3J launch.
Jun 11, 2018, 03:24 PM
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Invisible mounted tail.
Jun 12, 2018, 12:42 AM
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Tail assembly.
The stab holds on place by one original screw and flange. Screw acts as guide pin for the fin.
Second threaded pin are glued into fin. The fin secured on place by other, non removable screw. Everything is locked.
Not the fastest but robust way.
The main trick is connecting elevator pushrod. Don't ask how I know.
Jun 12, 2018, 11:41 PM
Still Noob
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Wow...Nicely done VictorF....
You can send my one to test out for you

David
Jun 13, 2018, 01:26 AM
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May be, David.

Tail servo is mounted on FG tray and glued in boom.
Horizontal part of the tray is a key for quick assembling and aligning the surfaces. It go right into slots at aft part of the pod.
Wrap of scotch tape hold parts together.
Jun 13, 2018, 04:25 AM
Glider D
What sort of fancy workshop do you have to produce these amazing pieces?
Jun 13, 2018, 06:27 AM
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Everything tooling and parts mostly made with help of this baby, which is own build too.
Jun 13, 2018, 11:38 PM
Glider D
I reckon something like that would fit in my garage lol


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