Rheinmetall’s Lynx KF41 Infantry Fighting Vehicle<\/a> (IFV). The challenge was to design a shock absorber that would mount to existing installation points, and be lightweight. The shock absorber also had to pass a catastrophic failure load case provided by Rheinmetall. This case study provides an overview of Supashock’s passive damper design for the Lynx IFV.<\/p>\n<\/span><\/p>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.17.6″ _module_preset=”default” custom_padding=”||64px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.17.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/supashock.com\/en\/wp-content\/uploads\/2023\/07\/Lynx-Running-Gear.jpg” title_text=”Lynx-Running-Gear” align=”center” _builder_version=”4.17.6″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” alt=”Lynx, Lynx KF41, Rheinmetall Lynx KF41, IFV Tracks, IFV Suspension, Tank Suspension, Tank Dampers, IFV Dampers” sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.17.6″ _module_preset=”default” custom_padding=”0px|||||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.17.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.17.6″ _module_preset=”default” text_font=”Roboto|300|||||||” text_text_color=”#FFFFFF” text_font_size=”16px” global_colors_info=”{}”]<\/p>\n
Design features<\/strong><\/span><\/h2>\n<\/strong><\/p>\nFree damping at ride height<\/strong><\/span><\/h3>\nThe Lynx IFV is designed to operate over harsh terrain, and the dampers need to absorb low amplitude vibrations for extended periods without generating excessive heat. Supashock’s solution was to vary the damping force generated over the stroke of the damper by changing the internal area of the cylinder. As the piston moves through the cylinder, the amount of oil that can bleed past the piston changes, affecting the damping force.<\/span><\/p>\n<\/span><\/p>\nThis is known as bypass damping, and it provides superior comfort for a vehicle that weighs 44 tons. When the piston overlaps the slots, oil is allowed to bleed past the main piston by flowing around the outside of the seal. The slots are positioned so that this effect takes place 50mm either side of ride height. This design required a modified piston seal, capable of withstanding increased wear and side loads without being damaged at different piston positions.<\/span><\/p>\n<\/span><\/p>\n<\/span><\/p>\nOptimization for Strength and Weight<\/strong><\/span><\/h3>\nSupashock conducted extensive analysis on the load cases defined in the specification to ensure that the combination of geometry and materials allows for the lightest design without failure. The damper had to withstand catastrophic failure loads provided by Rheinmetall and weigh no more than 20kg per unit. For context, scaling the mass of a typical aftermarket 4×4 damper to fit the Lynx would weigh 73.6kg per damper.<\/p>\n
<\/p>\n
Conclusion<\/strong><\/span><\/h2>\nSupashock successfully designed a passive shock absorber for the Lynx IFV that met all the design requirements. The damper mounts to existing installation points, and is lightweight. Supashock conducted extensive analysis to ensure the damper\u2019s strength and weight meet the specifications provided by Rheinmetall. The damper\u2019s innovative design with free damping at ride height and adjustable damping provides the Lynx IFV with improved mobility, increased comfort for the crew, and reduced maintenance costs.<\/p>\n
<\/span><\/p>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.17.6″ _module_preset=”default” min_height=”96.8px” custom_padding=”5px||0px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.17.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.17.6″ _module_preset=”default” text_text_color=”#FFFFFF” header_font=”Roboto|500|||||||” header_text_color=”#FFFFFF” header_2_font=”Roboto|500|||||||” header_2_text_color=”#FFFFFF” background_color=”RGBA(255,255,255,0)” custom_margin=”50px||0px|||” global_colors_info=”{}”]<\/p>\n
Contact<\/h2>\n
[\/et_pb_text][et_pb_divider _builder_version=”4.17.6″ _module_preset=”default” width=”15%” min_height=”0.8px” global_colors_info=”{}”][\/et_pb_divider][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.17.6″ _module_preset=”default” min_height=”239.9px” custom_padding=”1px|||||” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.17.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.17.6″ _module_preset=”default” text_font=”Roboto|300|||||||” text_text_color=”#FFFFFF” text_font_size=”16px” global_colors_info=”{}”]<\/p>\n
Leverage our expertise in engineering design, analysis, lifecycle testing and manufacturing. Supashock\u2019s advanced capabilities and product suite are available to help you bring your Defence products to life.<\/p>\n
\n
[\/et_pb_text][et_pb_button button_url=”https:\/\/supashock.com\/en\/contact\/” button_text=”Contact us” _builder_version=”4.17.6″ _module_preset=”default” custom_button=”on” button_text_color=”#FFFFFF” global_colors_info=”{}”][\/et_pb_button][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.17.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.17.6″ _module_preset=”default” text_font=”Roboto|300|||||||” text_text_color=”#FFFFFF” text_font_size=”16px” header_3_text_color=”#FFFFFF” global_colors_info=”{}”]<\/p>\n
Supashock Advanced Technologies<\/h3>\n
\n
2-6 Ardtornish St<\/p>\n
Holden Hill, SA, 5088, Australia<\/p>\n
Phone: +61 08 8333 1123<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"
Case Study: The Development of Supashock’s Passive Damper for the Lynx IFVIntroduction Supashock, an Australian business specialising in high-performance suspension systems, was asked to develop a passive damper for Rheinmetall’s Lynx KF41 Infantry Fighting Vehicle (IFV). The challenge was to design a shock absorber that would mount to existing installation points, and be lightweight. The […]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-2556","page","type-page","status-publish","hentry"],"yoast_head":"\n
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