SHEET 06 · AIRFRAME REV C · 2026.08 · SCALE 1:1
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AIRFRAME · 2024

Hand-Built Fixed-Wing Aircraft (IC Engine)

Wingspan: 2.5 m Structure: Fully hand-built balsa wood airframe Construction: Rib-and-spar, scratch-built from raw materials Propulsion: Internal combustion engine (Methanol) Build scope: Structural construction, assembly, integration, and flight testing

Balsa ConstructionMethanol ICScratch Build
Hand-Built Fixed-Wing Aircraft (IC Engine)FIG. 01
fig. 01 — rib-and-spar wing — scratch-built balsa, 2.5 m span
note 01.

Structure first

Every rib and spar was cut and set by hand before the first flight.

note 02.

An engine that teaches you things

Mounting, tank placement, and throttle linkage were revised after real ground runs.

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