AndyMark EVO Shifter Short Hex Shaft, StageA 3 - 05.45:1 Ratio 1.14:1, StageB 3 - 06.86:1 Ratio 1.14:1
AndyMark EVO Shifter Short Hex Shaft, StageA 3 - 05.45:1 Ratio 1.14:1, StageB 3 - 06.86:1 Ratio 1.14:1

AndyMark EVO Shifter Short Hex Shaft, StageA 3 - 05.45:1 Ratio 1.14:1, StageB 3 - 06.86:1 Ratio 1.14:1

AndyMarkSKU: RB-And-1697
Manufacturer #: EVO-2-054-068-SH3
Price  :
$353.50

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Description

  • AndyMark EVO Shifter Short Hex Shaft, StageA 3 - 05.45:1 Ratio 1.14:1, StageB 3 - 06.86:1 Ratio 1.14:1
  • Achieves seamless speed transitions
  • Accommodates CIM or NEO motors
  • Employs pneumatic shift method
  • Features robust AMPCO® 18 Bronze gear
  • Facilitates easy assembly and installation

The AndyMark EVO Shifter Short Hex Shaft, StageA 3 - 05.45:1 Ratio 1.14:1, StageB 3 - 06.86:1 Ratio 1.14:1 represents a significant advancement in shifting transmission gearboxes. This two-speed, shift-on-the-fly gearbox is designed with an improved 4-tooth dog shifting method, allowing for seamless transitions between speeds. It accommodates motor inputs from two CIM or NEO motors and can be configured with either two or three interior stages. The gearbox is shipped assembled, though motors are not installed.

Significant improvements have been made over previous models, including a robust 1/8" diameter shoulder screw and a dog gear made from AMPCO® 18 Bronze, which offers enhanced strength and lubricity. The gearbox features a super-strong shift block assembly with a larger bearing and threaded steel housing. The input stage utilizes 32 DP gears and a 15-tooth pinion gear, providing a high 85:15 first stage reduction. Users have the flexibility to independently select high and low ratios, and the gearbox supports various encoder options.

The EVO Shifter employs a pneumatic shift method, utilizing a spring-extend pneumatic cylinder for efficient shifting even under dynamic conditions. The gearbox is designed with aggressive weight reduction features and is compatible with existing mounting plate holes for easy installation on an AM14U family chassis or a 2"x1" box tube frame. The gearbox's design allows for easy disassembly and assembly without concern for gear orientation, thanks to the uniform features on both sides of the cluster gears.

Note: Ensure proper greasing and break-in procedures are followed for optimal performance and longevity of the gearbox.

  • 1x AndyMark EVO Shifter Short Hex Shaft, StageA 3 - 05.45:1 Ratio 1.14:1, StageB 3 - 06.86:1 Ratio 1.14:1
  • 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 included
  • 4140 steel output shafts
  • 1x Red Tacky Grease, 14.2 gram
  • Various spacers, bearings, and hardware for assembly

EVO Shifter Short Hex Shaft, StageA 3 Stage - Dimensions

  • Two-speed, shift-on-the-fly gearbox
  • Enhanced 4-tooth dog shifting method
  • Motor input: 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 4 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
  • Pneumatic shift method with spring-extend pneumatic cylinder
  • Encoder ratio: 3:1 on two-stage versions

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