You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser.
Help Support Home Model Engine Machinist Forum:
This site may earn a commission from merchant affiliate
links, including eBay, Amazon, and others.
-
S
Machinery’s handbook gives 0.599 mandrel for 0.875 OD spring with 0.080 wire. You’re wanting 0.860 OD so I would try between 0.580 to 0.585.