Uploaded August 2011 | Updated September 2026, 2 hours ago

---

Here's a Cox Black Widow .049 engine. Its running off Sig 35% with a Cox 5x3 prop. This is its first run of the year! I apologize for all the moving around, the mosquitoes and me grabbing the tach is the main cause of that. Besides it was recorded off a "My Touch G4" Android phone. I'll stay put at 1:30

For still pictures of this engine, see: sites.google.com/site/coxenginecollection/1975-black-widow

Check out the forum: coxenginecollection.forumakers.com