I watched your "performance" @ the KOR in PA. I'm not surprised you have servo arm "issues"Really? I'm surprised.. I was all about robitronic's, till I couldn't keep them from striping..
They are only splined half the depth of the output gear mesh..
I switched to AHZ clamping horns.. They are basically identical, but splined the full depth..
Since then, I snagged up some ANSWER horns... Non clamping... Low profile/low sitting... Beef!

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