{"id":386,"date":"2024-11-13T13:04:50","date_gmt":"2024-11-13T13:04:50","guid":{"rendered":"https:\/\/unmeritedfavorfab.com\/?page_id=386"},"modified":"2024-11-13T15:11:54","modified_gmt":"2024-11-13T15:11:54","slug":"2-stroke-exhausts","status":"publish","type":"page","link":"https:\/\/unmeritedfavorfab.com\/?page_id=386","title":{"rendered":"2 stroke Exhausts"},"content":{"rendered":"\n

We worked with a customer to develop and build prototype exhausts in multiple materials (cold-rolled steel, stainless steel, and titanium) for a high performance 2 stroke engine similar to the Suter V4. It started with a set of \u201ccone pipes\u201d built from cones rolled in a slip roll and TIG welded. We then built multiple designs and many sets of pipes using \u201cpoor-man\u2019s hydroforming\u201d with a pressure washer. The results were significantly improved performance and much smoother and a more producible design. The image below shows both exhausts from the hydroformed process. Each pipe is made from 3 separate hydroforms – header, mid-pipe, expansion chamber.<\/p>\n\n\n\n

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Cones formed before welding<\/figcaption><\/figure>\n\n\n\n
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Welded cone pipe<\/figcaption><\/figure>\n<\/figure>\n\n\n\n
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Flat patterns cut out and edge formed<\/figcaption><\/figure>\n\n\n\n
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Flat patterns set up for welding seams<\/figcaption><\/figure>\n\n\n\n
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Mid pipe forming before weld<\/figcaption><\/figure>\n\n\n\n
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TIG Welded seam<\/figcaption><\/figure>\n\n\n\n
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The weld from interior of the pipe – perfect penetration<\/figcaption><\/figure>\n\n\n\n
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Formed mid-pipe<\/figcaption><\/figure>\n\n\n\n
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Hydroforming in process<\/figcaption><\/figure>\n\n\n\n
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Formed expansion section<\/figcaption><\/figure>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"

We worked with a customer to develop and build prototype exhausts in multiple materials (cold-rolled steel, stainless steel, and titanium) for a high performance 2 stroke engine similar to the Suter V4. It started with a set of \u201ccone pipes\u201d built from cones rolled in a slip roll and TIG welded. We then built multiple … <\/p>\n

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