M. K. Bengtson Sopwith Pup 40 Model Instructions

Summary of Sopwith Pup 40

  • Page 1

    Sopwith pup 40” copyright© 2005‐11 m.K. Bengtson all rights reserved rev 09/11 sopwith pup 40” 1/8 th scale r/c scale model instructions contact information the sopwith pup was designed by m.K. Bengtson prototype by chris goodchild manufactured and distributed by: bengtson company e‐mail: sales@aero...

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    Sopwith pup 40” page 1 copyright© 2005‐11 m.K. Bengtson all rights reserved rev 09/11 sopwith pup thank you for purchasing the 1/8 th scale sopwith pup model for electric flight. The model a semi scale adaptation of the sopwith pup, this model is designed to be easy to build and exciting to fly. Sop...

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    Sopwith pup 40” page 2 copyright© 2005‐11 m.K. Bengtson all rights reserved rev 09/11 top right wing panel bottom left wing add the wing tips and align the front tip along the center of the leading edge. Sand the leading edge stock to be rounded and meet the ribs. The leading edge of the aileron is ...

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    Sopwith pup 40” page 3 copyright© 2005‐11 m.K. Bengtson all rights reserved rev 09/11 front box detail basic frame complete the front box is made from 1/8” balsa sides reinforced by an internal 1/32” plywood doubler. Adding the decking add all the decking and formers, and carefully trim to size and ...

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    Sopwith pup 40” page 4 copyright© 2005‐11 m.K. Bengtson all rights reserved rev 09/11 undercarriage detail tail surfaces lay out and glue parts of the tail surfaces on the plans. Vertical stabilizer and rudder pinned for gluing elevator and horizontal stabilizer pinned for gluing sand the tail parts...

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    Sopwith pup 40” page 5 copyright© 2005‐11 m.K. Bengtson all rights reserved rev 09/11 wheels gluing the ply sides on the 3/8” balsa core makes the basis for the wheels. Use the brass hub for alignment. Epoxy the hubs in place and add a sufficient amount of epoxy around the base of the hub to reinfor...

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    Sopwith pup 40” page 6 copyright© 2005‐11 m.K. Bengtson all rights reserved rev 09/11 horizontal stabilizer. Glue the horizontal stab/elevator assembly onto the fuselage. If using pushrods, slip the elevator control horn onto the wire pushrod end and, with the servo and the elevator centered, glue t...

  • Page 8

    Sopwith pup 40” page 7 copyright© 2005‐11 m.K. Bengtson all rights reserved rev 09/11 angle and remains utterly controllable. I was expecting a fairly rapid decent but not at all, great! I decided to try a couple of practice approaches and eventually settled her down on the ground again with just a ...