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RC Groups Sea BB 26, Руководство по сборке

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11. Motor Pylon Sub-Assembly

A. Add dowels and cross brace to pylon center lamination. 

Note temporary tab. This is cut off after dowel glue is dry.

B. Add the firewall cheek blocks. Shown in finished contour. 

Contour when motor pylon is complete (after step 12). 

C. Clean off any excess glue when dry.

Cheek Blocks

3/16” x 3-15/16” 
dowel

Содержание Sea BB 26

Страница 1: ...Sea BB 26 34 42 Build Guide By dz1sfb on www rcgroups com See the build log at Sea BB 42 Plans Pictures and Videos ...

Страница 2: ...1 Former Sub Assembly F1 Servo Tray F2 A Assemble F1 Servo Tray and F2 with adhesive B Proceed immediately to step 2 ...

Страница 3: ...ge Former Installation F3 RH Fuselage Side A Pre bend fuselage sides at F2 position B Insert F1 Servo Tray F2 assembly with adhesive C Dry fit F3 and do not glue until LH fuselage side is installed in step 4 B ...

Страница 4: ... Assemble a left and right sub assembly with filler blocks Allow the adhesive to dry so that the outside can be sanded flush to mate to the fuselage sides C Filler blocks are designed at 50 thick but that can be adjusted to suit your battery preferences D Then assemble left and right sub assemblies into one block View into battery cavity ...

Страница 5: ...4 Monoblock and LH Fuselage Side Installation A Apply glue to monoblock sub assembly and add to RH fuselage side assembly B Glue and install the LH fuselage side and glue F3 to both sides ...

Страница 6: ...lage to help maintain alignment during assembly Not shown here B Bevel all mating surfaces to insure a water tight strong glue joint A Groove the inside centerline of bottom panel to allow easy folding Then add glue to centerline joint to strengthen Now add fuselage bottom panel ...

Страница 7: ...r Band Dowels You may omit gluing the wing dowels at this time until after any color trimming is complete C Install wing rubber band dowels This completes the basic fuselage A Add fuselage top panel B Shape nose and hull of the monoblock ...

Страница 8: ...g wood on the table saw Just under 1 8 sq X 6 long B Use your favorite method to hinge elevator to the horizontal stabilizer C Place a strip of 2 packing tape folded over the leading edge being careful not to have any tape where the stab will glue to the fuselage D Packing tape adds spanwise strength packing tape ...

Страница 9: ...8 Vertical Stabilizer Rudder Assembly Hinge rudder to vertical stabilizer and attach optional water rudder and compression washer with a 2 56 machine screw and nut ...

Страница 10: ... to Fuselage Installation A Please note that the latest parts have tabbed components to aid alignment B After adding horizontal and vertical stabilizer assemblies check for square and true to centerline of fuselage ...

Страница 11: ... laminations D Streamline leading and trailing vertical edges of the strut E Sand airfoil mating surface square smooth and free of glue F Set aside assemblies for last step to add to the wing Note Outer float laminations shown shaped to final contour Do final shaping after glue is finished curing This will prevent unnecessary dents and dings in the foam ...

Страница 12: ...pylon center lamination Note temporary tab This is cut off after dowel glue is dry B Add the firewall cheek blocks Shown in finished contour Contour when motor pylon is complete after step 12 C Clean off any excess glue when dry Cheek Blocks 3 16 x 3 15 16 dowel ...

Страница 13: ...it Then glue into place E 3 degrees up thrust is already built into the pylon design Sand the motor mount face to provide 3 degrees right thrust and attach the 1 16 plywood motor mount F Finish sand the pylon assembly and the Motor Pylon is now complete 1 16 plywood ...

Страница 14: ...each panel B Bevel wing root for dihedral C Apply glue to center joint and use blue painters tape to hold until dry D Dihedral under each tip is 1 7 8 for 42 span 1 5 8 for 34 span 1 3 16 for 26 span 13 Wing Panel Assembly ...

Страница 15: ...ng Panel Assembly E Steam dowels to match angles in the wing assembly F Using a small rat tail file File edges to receive leading and trailing edge dowels G Glue and tape dowels in place while adhesive sets ...

Страница 16: ... Glue motor pylon in place C Use a clamp to hold them together The wing tends to flatten out Clamping will force it to the airfoil contour D Foam and wood scraps between clamp and parts will prevent denting the foam E Add three centerline ribs This distributes thrust loads over the entire chord of the wing ...

Страница 17: ...llation 14 1 4 for the 42 11 3 8 for the 34 8 7 8 for the 26 A Add wing tip float assemblies to wing motor pylon assembly the corresponding dimensions from centerlines B Make clamp jigs from scrap wood to get good solid joint ...

Страница 18: ...irewall B Add hole in motor pylon outer panel and wing for motor wire routing Motor wires may need extending C Not shown are the three laminated ribs at centerline of wing These prevent the motor pylon from fracturing the wing panels mid chord ...

Страница 19: ...t holes for servos and servo wire routing B Make up pushrods I used 1 8 dowel rod 1 32 music wire and heat shrink tubing C Control horns are cut off pieces of zip tie D Hot glue servos CA pushrods and PU adhesive the control horns in place in that order ...

Страница 20: ... A RX is hot glued to rear of F1 B ESC wire routes through hole in F1 C ESC is hot glued to the front of F1 D Visible is the Deans Ultra connector used for the battery disconnect I highly recommend you install something similar ...

Страница 21: ...end using bright contrasting colors The blue foam blends into a clear sky and makes orientation difficult C Now enjoy this nice relaxing seaplane that is as graceful as it is easy to fly D Center of Gravity from the Leading Edge of Wing is as follows 42 3 25 34 2 60 26 2 00 Special thanks to Don bz1mcr on RCGroups for helping with me with this document ...

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