Name: Three‑Leaf Aluminum Spinner — Compact, High‑Gloss Nose Cone
SKU: 173616
Availability: InStock

Three‑Leaf Aluminum Spinner — Compact, High‑Gloss Nose Cone

Lightweight aluminum‑alloy three‑leaf spinner for single‑shaft methanol and petrol model engines (fits Japanese OS and similar). Shiny, streamlined finish for a tidy look and calmer idle airflow; pairs well with a Mayatech toc starter. Note: sizes 3.00″–4.00″ omit the tuning ring — check shaft bore before ordering.

Description

A lightweight aluminum‑alloy three‑leaf spinner made for single‑shaft methanol and petrol model engines (fits Japanese OS and similar three‑blade setups). The shiny, high‑transmission finish looks great in motion, and the streamlined shape helps calm idle airflow. Best used with a Mayatech toc starter for fitting and starting.

Key features

Material: Durable metal alloy
Design: Three‑leaf spinner — clean look and smooth airflow
Fit: Single‑shaft methanol/petrol engines (Japanese OS and similar)
Finish: High light transmission, compact profile
Recommended starter: Mayatech toc starter

Notes

Sizes 3.00″ / 3.25″ / 3.50″ / 3.75″ / 4.00″ do not include a tuning ring. For petrol versions without a tuning ring, confirm your engine shaft has the correct bore/hole before ordering.
Dimensional tolerances may vary; use practical fitting checks.

Quick install

If shaft support is needed: use a minimum 10 mm fixed doubler on the motor main shaft.
For 5 mm double‑shaft setups: mount directly on the motor main shaft above the motor.

Box contents

Spinner ×1
Nut ×1
Locking screw ×1
Hex wrench ×1
Tuning ring (8 mm inner hole) — not included for gas versions sized 3.00″–5.00″

Compatible with many Japanese OS and other three‑leaf single‑shaft engines.

Additional information

Size	1.25" (32mm), 1.50" (38mm), 1.75" (45mm), 2.00" (51mm), 2.25" (57mm), 2.50" (64mm), 2.75" (70mm), 3.00" (76mm), 3.25" (82mm), 3.50" (89mm), 3.75" (95mm), 4.00" (102mm)