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Main Menu Home About Browse images Signup Lost password? News Links Help User Login User Name Password View By Hangar View By Aircraft Sterling P-61 Black Widow View Details View All Switch Aircraft Users Aircraft BillParker David Duckett dfrank47 novice builder Skyediamonds1985

Sterling P-61 Black Widow by David Duckett. Viewed 396 times. Build Thread Next Prev Click image to return. Image Comments David Duckett 09-May-18 09:26 Using the spinner and pencil, hold one and turn the other for the bottom line, 3/16" in this case. Use the triangle to mark the vertical line intersecting the bottom line. The hole punch makes a 3/16" hole. Line it up with the vertical line and where ever you want it relative to the bottom line, making sure they are all the same. Creosotewind 09-May-18 15:48 Handy tip David. Thanks. jgood 13-May-18 15:06 Yes, nice tip, thanks! Please sign in to comment on this image.