R/C Tank Combat

Tank #T040

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These are the components of the Cromwell's turret rotate system.

Top view of the rotate components mounted.
 

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And the bottom view.

The turret is easily removable by removing just one nut.
 

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9/17/2005

Prepared for battle at the 1st Monkton Crusade.


T040 in the shade after its first day battling cooling those big EV Warriors off.
 

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The turret of the White Night is its own R/C model. That is, it's equiped with its own power supply and control system separate from the hull. The battery pack supplies the 12 volts needed to operate the trigger actuator and the bread-boarded electronics provides the 5 volts for the Rx and elevate servo.

Note a new feature to a Tyng tank, a 24 volt battery charge meter from a golf cart.


The motor bay. The EV Warrior motors are mounted to typical Tyng transmissions (separate left and right, wedge tensioned linked belt first reduction, chain reduction direct to drive wheels). Note the easily replaceable plywood pulleys. If the need should arise for higher speeds in the future. It would be a simple matter to install smaller pulleys and adjust the belts accordingly to produce a smaller reduction ratio. The current reduction is 9 to 1.

The dusty condition is the result of the frantic development pace in the last week before Monkton. There was no time to build a proper intake filter.

 

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The battery bay. Some may have noticed that the wiring is not the same as previously published reports (no busbar distribution system). A week before the 1st Monkton Crusade it was decided to switch to a commercial controller from Robot Solutions (model RS80D). This required a redesign of the power grid. Six gauge wiring was used throughout and the 60amp ANL safety fuse can be seen on the lower right.

This photo also gives a nice view of the turret rotate system. The 120rpm 24 volt gearmotor can spin the turret at roughly 1.2 seconds per revolution, or 50rpm.


Dubbed the "White Knight" because of it's distinctive light gray paintjob it sported at the 1st Monkton Crusade. T040 in this photo clearly demonstrates two of it's advanced features while traversing over a pile of bricks. It's Christie style suspension and sprocket drive TTS.
 

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