Drilling head with #50 drill for 1/16" long, cone tip 2/56 set screws which fit precisely into the pin hole of the mainshaft.

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Posted by: chevell on Mar 03, 2011 12:23 PM
Drilling head with #50 drill for 1/16" long, cone tip 2/56 set screws which fit precisely into the pin hole of the mainshaft.
 
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Head ready to be tapped for 2/56 threaded set screws.
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Set screws installed on both sides of head. This head is now removable with out having to take the mainshaft out of the heli. No more pins to mess with.
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