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reduce gear damage caused by severe flight deformation and vibration
Motor: 540 Brushed Motor
Exhaust stroke: Due to the inertia of the rotating mechanism
It’s an instant mood lifter
the parts circled in red is the upgrade OP part for the Front axle remote control differential lock
RETROL R01 1/12 Hot Air Pumping Engine Model External Combustion Engine Water-cooled Color:Blue reduce gear damage caused byDiscover the Fascinating World of External Combustion Engines with the RETROL R01 Hot Air Pumping Engine Model! This beautifully crafted 1 12 scale engine model is not just a collectibleits a hands on educational experience. Designed with authentic retro brass and wood materials, it faithfully reproduces the classic closed cycle external combustion engine, widely used in industries ranging from railways to factories. Perfect for students, hobbyists,
