AndyMark EVO Shifter am14u Family Hex Shaft, StageA 2 - 04.77:1 Ratio, StageB 2 - 22.67:1 Ratio

AndyMarkSKU: RB-And-1696
Manufacturer #: EVO-2-047-226-UH2

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Sale price $519.85

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Description

  • AndyMark EVO Shifter am14u Family Hex Shaft, StageA 2 - 04.77:1 Ratio, StageB 2 - 22.67:1 Ratio
  • Advances in shifting with two speeds and smooth transitions
  • Features robust AMPCO® 18 Bronze dog gear
  • Allows independent high and low ratio customization
  • Offers pneumatic shift for reliable performance
  • Supports two CIM or NEO motors for versatility

The AndyMark EVO Shifter am14u Family Hex Shaft, StageA 2 - 04.77:1 Ratio, StageB 2 - 22.67:1 Ratio represents a significant advancement in shifting transmission gearboxes. This two-speed, shift-on-the-fly gearbox incorporates an enhanced 4-tooth dog shifting mechanism, allowing for smooth and efficient transitions between gears. It is compatible with two CIM or NEO motors and can be configured with either two or three interior stages, offering flexibility in output shaft selection.

The gearbox features several improvements over previous models, including a robust 1/8" diameter shoulder screw and a dog gear made from AMPCO® 18 Bronze, which provides added strength and lubricity. The shift block assembly is reinforced with a larger bearing and threaded steel housing, enhancing durability. The input stage utilizes 32 DP gears and a 15-tooth pinion gear, achieving a high first stage reduction of 85:15. Users have the autonomy to select their preferred high and low ratios, with the option to swap ratios as needed.

The EVO Shifter is designed with aggressive weight reduction features and can be mounted to an AM14U family chassis or a 2"x1" box tube frame. It employs a pneumatic shift method powered by a spring-extend pneumatic cylinder, ensuring reliable performance even during acceleration or deceleration. The gearbox is shipped assembled, though motors are not installed.

Additional features include a 3:1 encoder ratio on two-stage versions and compatibility with various encoder options, such as the US Digital E4T. The gearbox requires periodic application of Red Tacky Grease for optimal operation, following a recommended break-in period. The design facilitates easy assembly and disassembly, with cluster gears featuring identical characteristics on both sides.

  • 1x AndyMark EVO Shifter am14u Family Hex Shaft, StageA 2 - 04.77:1 Ratio, StageB 2 - 22.67:1 Ratio
  • Shielded, flanged ball bearings
  • 1117 steel 32 DP gears, with 20-degree pressure angle (1st stage)
  • 4140 steel 20 DP gears, with 14.5-degree pressure angle (2nd and 3rd stage)
  • 1/4" thick aluminum side plates, pocketed
  • US Digital encoder and pneumatic cylinder
  • 4140 steel output shafts
  • 1x Red Tacky Grease, 14.2 gram
  • 1x Encoder Mount Pad
  • Various spacers, screws, and nuts
  • 1x EVO Shifter Shift Block Assembly
  • 1x 4 Tooth Dog, AMPCO® 18 Bronze
  • 1x Shift Cylinder, 3/4" Bore, 1/2 Stroke Spring Extend
  • 1x E4T Encoder
  • Two-speed, shift-on-the-fly gearbox
  • Enhanced 4-tooth dog shifting method
  • Compatible with two CIM or NEO motors
  • Configurable with two or three internal stages
  • Selection of various 1/2 inch output shafts
  • Plates designed for mounting two motors
  • Shipped assembled without motors installed
  • Dog gear with four dogs on each face for increased strength
  • Robust 1/8" diameter shoulder screw
  • Dog gear material: AMPCO® 18 Bronze
  • Super-strong shift block assembly with larger bearing and threaded steel housing
  • Input stage uses 32 DP gears and a 15-tooth pinion gear
  • High 85:15 first stage reduction
  • Independent high and low ratio selection
  • More encoder options available
  • Aggressive weight reduction features
  • Cluster gears with identical features on both sides for easy assembly
  • Optional third stage provides additional C ratio choice of 1.14 or 2:1
  • Can be mounted to an AM14U family chassis or a 2"x1" box tube frame
  • Pneumatic shift method with spring-extend pneumatic cylinder
  • Extend stroke: 4 lbs, retract stroke: 15.7 lbs
  • Included 15-tooth 32DP pinion gear
  • Encoder ratio: 3:1 on two-stage versions

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