A&M Sachs 4.2
05-18-2003, 03:12 AM
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A&M Sachs 4.2
I aquired an older Sachs with the mag ignition and was wondering if a broken fin on the rear, third from the top, will hurt the motor. This engine has great compression and I will convert it to electronic ignition if it's OK. It's about 6.2 lbs with the magneto and spring start. Any thoughts?
05-18-2003, 01:49 PM
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A&M Sachs 4.2
It will be fine with the broken fin. These engines tend to overcooled anyway in our application so a broken fin is no big deal. I converted and sold Sach 4.2 engines for 3 years so have some experience with them. I wanted to see how light I could get one so I removed all fins from one just to see how it cooled. It did run too hot once all the fins were gone but that's a long way from one being broken. Put the ignition on and go. Your great grandchildren will be flying it some day.
