Raidho 2.5" DIY Kit

RUIN Raidho, the riding rune, is an open-source 2.5-inch freestyle frame: 110 mm wide-X geometry, 3.0 mm T700 bottom plate, 2.0 mm T700 top plate, about 34 g for the bare frame.

This listing is for the 3D-printed parts. The carbon plates are cut on request: ask through the custom parts form or the contact page.

What you get (TPU 95A)

• Rear antenna mount for a T antenna and lollipop
• O4 Lite wide top mount
• Front feet, 2
• Rear feet with T-antenna holder, 2

The two mounts double as the standoffs and take M2 brass heat-set inserts. Hardware adds about 3 g.

Frame spec

• Wheelbase 110 mm, wide-X
• Motor spacing 87.9 × 66.2 mm
• Footprint 103.8 × 82.1 mm
• Bus height 17.9 mm; 22.9 mm overall without feet
• Motor pattern Ø9.0 mm bolt circle, 4 × M2; flight controller 25.5 × 25.5 mm

Reference build

• Motors: iFlight XING2 1404 4600KV
• FC/ESC: HDZero Gamma AIO (G473 + 45A AM32)
• RC link: ExpressLRS onboard RX with T antenna
• Video: Flywoo DJI O4 Wide Air Unit (digital) or Rush Tank Racing VTX with Caddx Ant (analog)
• Props: Gemfan Hurricane 2520
• Battery: Tattu 650 mAh 4S 75C, XT30

Measured flight time about 8 minutes on a 4S 650 mAh pack; all-up weight about 183 g.

Downloads

• Build sheet, rev C (PDF)
• Full parts list with links and prices (Google Sheet)

Open-source hardware. Figures marked approximate are estimates from CAD or comparable published data; verify on your own build. Fly responsibly.