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8232 Chopper Force
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Click the image to download the LDraw file of this model. Model by KWON |
Features |
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Rotors
The 2-bladed main rotor and 3-bladed tail rotor are geared together and
operated by a ratcheting linear lever on the side of the
helicopter. This lever has a high gear ratio which rotates the
rotors quickly when pushed. When it reaches the end of its travel,
a ratchet system allows the rotor to keep spinning while a rubber band
returns the lever to the starting position to push again.The computer image shows how it works. The yellow rack gear is the lever and it drives the gray 8 tooth pinion. The pinion axle is also a pivot point for the green ratchet. When driving forward, gear tooth forces and gravity force the green gear down against the orange gear and drive the rotors. When the lever is stopped, the inertia of the rotor causes it to keep spinning while the green gear floats and skips above the orange. The system works perfectly. The animation does a respectable job of showing it. |
Click for an animation of the rotor in motion. |
Canopy
The canopy is constructed from the new angle connectors and opens manually. |
Click for an animation of the canopy in motion. |
Dude Flying a helicopter takes a great deal of
coordination. Rather than subject helicopter pilots to complicated
aptitude tests, regulatory authorities just make them do sweet dance
moves as shown.This Technic figure is unique to this set, although with the exception of the helmet he is the same as the figure in 8222. |
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Wheels
The tricycle landing gear uses old style pulleys and tires. The struts are made from angle connectors.
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Other Views |
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Side View |
Top View |
Front View |
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Computer Render |