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Description
AndyMark EVO Shifter Short Keyed Shaft, StageA 2 Stage - 16.37:1 Ratio, StageB 2 Stage - 22.67:1 Ratio
Features a 4-tooth dog shifting method
Crafted with lightweight design
Employs a pneumatic shift method
Includes US Digital encoder
Allows customizable transmission settings
The AndyMark EVO Shifter Short Keyed Shaft, StageA 2 Stage - 16.37:1 Ratio, StageB 2 Stage - 22.67:1 Ratio represents a significant advancement in shifting transmission gearboxes. This two-speed, shift-on-the-fly gearbox is designed to accommodate two CIM or NEO motors, offering flexibility in motor input. The gearbox is shipped assembled, though motors are not pre-installed. It features a robust design with a 4-tooth dog shifting method, enhancing strength and durability. The dog gear is crafted from AMPCO® 18 Bronze, providing smooth shifting due to its lubricity properties. A new shift block assembly with a larger bearing and threaded steel housing further enhances its robustness.
The gearbox allows for independent selection of high and low ratios, providing users with the ability to customize their transmission settings. It supports two or three interior stages, with an optional third stage offering additional ratio choices. The design incorporates aggressive weight reduction features, ensuring a lightweight yet sturdy construction. The gearbox can be mounted to an AM14U family chassis or a 2"x1" box tube frame using existing mounting plate holes.
The EVO Shifter employs a pneumatic shift method, utilizing a spring-extend pneumatic cylinder for shifting. This allows for seamless shifting even during acceleration, pushing, or deceleration. The gearbox is designed to continue operating in Ratio A if air pressure is lost, ensuring uninterrupted performance. Proper greasing is essential for optimal operation and longevity, with a recommended break-in period before applying grease. The gearbox includes a US Digital encoder and a pneumatic cylinder, enhancing its functionality and ease of use.
Note: Ensure proper installation of pinion gears, especially when using a NEO motor, as a 3-ton arbor press is required due to the interference fit. Follow the NEO Press Fit Pinion Guide for safe installation.
1x AndyMark EVO Shifter Short Keyed Shaft, StageA 2 Stage - 16.37:1 Ratio, StageB 2 Stage - 22.67:1 Ratio
If you are not satisfied for whatever reason with a Product you bought on the Site, it is possible to return it for refund within 30 days from the date you received it unless otherwise indicated in the Product listing. You must first advise the Vendor associated with your order in your account to obtain a return authorization (‘’RA’’) number before returning a Product. (‘’RA’’) numbers are valid for 30 days, within which time the returned Products should be received by the Vendor. No returns will be accepted without having previously obtained an (‘’RA’’) number. The Product must then be returned in its original packaging (in perfect condition for resale) with its receipt and your (‘’RA’’) number. Reimbursement will be denied for any Products which do not conform to the above mentioned conditions.
Build-it-yourself Robot Parts are not refundable once assembled. Robots & Kits requiring assembly or soldering are also not refundable once assembled, soldered or modified in any way. All sales of robotic software and apps are final and cannot be refunded or exchanged. Returns are not accepted on special orders and clearance items except when they are found defective, in which case the Product may be repaired or replaced at the Vendor’s discretion. 20% Restocking fees may apply if you are returning a large quantity of the same Product that was ordered specifically for you from the manufacturer.
Please note that all items will be reimbursed within 7 to 14 days of receiving the Product (shipping fees excluded). You must also cover the cost of returning the Product. Shipping fees will only be refunded if the return is a result of a shipping error on our part. Cleaning fees of USD 100 may also be charged if a domestic robot is returned and has not been properly cleaned.
