Avis 5" V3.3

Avis is a bird in latin, aiming at agile, stiff and nice looking all around freestyle frame.

Top mounted battery 5" freestyle frame with interlocking 5 mm thick arms. Slightly squashed X configuration, motor to motor pitch / roll axis distance = 144 / 172 mm; diagonally 224.3 mm.

Arms designed to improve props effciency by reducing prop down flow obstruction, rigidity is validated via FEA and is superior to most 4 mm freestyle frames.

FC / ESC mounting patterns avaliable standard size 30.5 x 30.5 mm and 20 x 20 mm, M3 screw mounting holes.

Designed for today micro cams saving weight and reducing risk of camera damage via. semi rigid mounting TPU bracket.

Top and bottom plates are 2 mm, arms brace plate is 1.5 mm and 5 mm arms with chamfered edges.

Frame weight with all hardware - 100 gr. 

Target build dry weight is 310-320 gr. with AUW at 550-560 gr. (with Session 5 and 1300 mAh 4S lipo)

Suggested build height is at 20 mm. (Other build heights possible using different standoff height)

Kit content: Bottom plate, top plate, arms brace plate, x4 arms and x8 M3 press nuts. (All other hardware isn't included and need to be purchased seperately)

Additional hardware needed for assembly: (click on blue text for direct links)

1. x12 M3x6 Screws, Top / bottom plate standoffs mounting. (Ti is recommended to shave additional weight but steel will also work fine)
2. x8 M3x10 Screws, Bottom plate / arms / arms brace fixation. (Steel grade 12.9 screws only)
3. x4 M3x16 Screws, If using 20x20 stack - the x4 inner screws are used also to support the stack.
4. x6 M3 x 20 Aluminum knurled standoffs.
5. x1 Micro cam TPU bracket (pair)

Assembly Instructions: 

3d Printed parts: (click on blue text for direct links)

1. Gopro Hero 7 mounts, (Thingverse)

Recommended electronics: (click on blue text for direct links)