AndyMark EVO Shifter am14u Family Hex Shaft, StageA 2 Stage - 22.67:1 Ratio, StageB 2 Stage - 07.56:1 Ratio

AndyMarkSKU: RB-And-1832
Manufacturer #: EVO-2-226-075-UH2

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Sale price £339.37

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Description

  • AndyMark EVO Shifter am14u Family Hex Shaft, StageA 2 Stage - 22.67:1 Ratio, StageB 2 Stage - 07.56:1 Ratio
  • Incorporates robust 4-tooth dog shifting
  • Compatible with CIM or NEO motors
  • Offers encoder options for adaptability
  • Supports pneumatic shift during motion
  • Features aggressive weight reduction

The AndyMark EVO Shifter am14u Family Hex Shaft, StageA 2 Stage - 22.67:1 Ratio, StageB 2 Stage - 07.56:1 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 seamless 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 is delivered assembled, though motors are not pre-installed.

Several improvements distinguish this model from previous iterations. The dog gear now features four dogs on each face, enhancing the strength and durability of the design. The use of AMPCO® 18 Bronze for the dog gear material provides added lubricity, ensuring smooth operation. A robust shift block assembly with a larger bearing and threaded steel housing is included, contributing to the gearbox's overall resilience. The input stage employs 32 DP gears and a 15-tooth pinion gear, facilitating 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 also offers a variety of encoder options, including the US Digital E4T and the CTRE SRX mag encoder. Weight reduction features have been meticulously integrated into the gears and plates, and the cluster gears are designed for straightforward assembly. An optional third stage provides additional ratio choices, and the gearbox can be mounted to an AM14U family chassis or a 2"x1" box tube frame. The pneumatic shift method, powered by a spring-extend pneumatic cylinder, allows for shifting even during acceleration or deceleration.

Note: Proper greasing is essential for optimal operation and longevity of the gearbox. It is recommended to run the gearbox for 30 minutes without grease for initial wear-in before applying grease to the spur gears periodically.

  • 1x AndyMark EVO Shifter am14u Family Hex Shaft, StageA 2 Stage - 22.67:1 Ratio, StageB 2 Stage - 07.56:1 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
  • Various spacers, bearings, and hardware for assembly
  • Two-speed, shift-on-the-fly gearbox
  • Enhanced 4-tooth dog shifting method
  • Motor input: 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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