AndyMark AM-3908 PicoBox Twin Servo

Description

Product Overview
The PicoBox gearboxes are designed specifically for FIRST Tech Challenge teams. These highly configurable gearboxes are a robust solution for teams to make fine adjustments to the output speed and torque of drivetrains, mechanisms and more. All PicoBox gearboxes are designed to work with other building systems that FIRST Tech Challenge teams are familiar with, because they are built to work around a base 16 mm center-to-center hole pattern. The flanges on the PicoBox gearboxes are reversible while maintaining a base 16 mm hole pattern. Additionally, all PicoBox gearboxes utilize the same overall plate style for both the input plate and output plate, allowing for different configurations such as mounting the servo and output shaft onto the same side of the gearbox.

The PicoBox Twin Servo is a single reduction, double servo input gearbox that utilizes steel 32DP gears. This gearbox accepts two HiTec standard servos, Futaba standard servos, or any other standard servo as its input, and has a robust steel 6 mm D shaft for it’s output. The servos are to be installed on each side of the output shaft. In this gearbox the servos do not have to be linked enabling the ability to have a double servo mount with each servo moving independently.

Gear Ratios:
The kit comes with 3 different gear ratio options, so that you can experiment and understand how changing the gear ratio affects the driving performance of the TileRunner.
45 Tooth and 35 Tooth gear combination yields a 1:0.78 overdrive
Two 40 Tooth gears yield a 1:1 ratio
35 Tooth and 45 Tooth gear combination yields a 1:1.28 reduction
Compatible Servos:
This gearbox does not include a servo, so you can install the right one for your application. We have tested and confirmed it works great with am-2587, am-2586, am-0010, and am-2543.

Other servos may work as well if they feature a 24 Tooth C1 Spline and fit inside the servo body cavity of the servo plate. The servo cavity is 1.6 inches tall by 0.8 inches wide.

Product Usage:
All AndyMark gearboxes require grease for proper operation and long life. We suggest using our red tacky grease, am-2768. We also encourage that the user powers the gearbox continuously for 30 minutes without grease to allow the gear teeth to wear in. While we do design with short runtimes in mind, this ‘run in’ period for smooth gearbox operation, is recommended. Once this is completed, through grease of the gear teeth periodically to ensure smooth operation.
Specifications
Motor Input: Servo
Motor Quantity: 1, 2
Ratio: 1:0.78, 1:1, 1:1.28
Weight: 1.0 lbs Including Servos

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