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22 To glue on the bottom leading edge sheeting use the following sequence. Apply aliphatic resin glue to 

all ribs between FLE and SW. Then apply medium or slow CA to the spar. Install the leading edge sheet 

and hold it firmly against the spar until cured. Next using finger pressure, pull the leading edge sheeting 

firmly against each rib to make good contact with FLE. Use thin CA to glue it to FLE. Proceed from the 

center out toward to both end of the wing

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23

 Install the 1/4” balsa leading edge and then add LEF at the root end.

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24

 Laminate two 1/4” WT parts together to form the wing tip block and then glue in place.

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25 Assemble the remaining wing half by repeating steps 1 through 23.

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26 To assemble the wing halves cut two 1/2” pieces of 1/8” dowel and glue them into the holes in WJ. 

These will serve to align the two wing panels. Glue WJ to one wing panel and then glue this assembly 

to the remaining wing panel. Use Epoxy to glue SFJ to the spar flanges on the top and bottom of the 

wing. Note that WJ is cut 1/64” oversized to accommodate sanding out flush with the wing sheeting.

FINISHING THE WING

It is best to finish shaping the leading and trailing edges after the wing halves have been assembled. Do 

not shape the wing tip trailing edges until you have completed the aileron assembly. Use LEF as a guide 

to shaping the leading edge, also use the supplied leading edge template to check for the correct shape. 

This work is best accomplished with a razor plane and a sanding bar. The tip block leading edge (WT) 

can be formed at the same time as the leading edges. To finish forming the tip block, first assemble the 

ailerons. Tape them in place along the entire aileron leading edge and then align them with the wing 

trailing edge at the root and tape them in place. Use the aileron tip to mark the wing tip block (WT) and 

do the final shaping of the wing tip block. Note that 3° of wash out is introduced into the outer wing panel 

from W8 to the tip. Sand the trailing edge to a rounded contour.

 

AILERON ASSEMBLY

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1 Locate and prepare the aileron base (AB). Install Al, note the Al must be canted in slightly, use the 

aileron dihedral gauge (ADG) to set the correct angle.

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2

Install and glue A2 through A5. Note that these must be at 90° to AB. A5 simulated the aileron counter 

balance and must be parallel with the end of the aileron base.

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3 Plane a slight bevel on the bottom of ALE to provide good contact with the aileron base, and then glue 

it to the aileron base and the front of Al through A4.

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4  Glue the aileron horn plate (AHP) to the aileron base where indicated.

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5 Plane the top leading edge of ALE to contour with the ribs. The aileron will be attached to the wing 

with aileron tape along the top leading edge after covering.

STABILIZER ASSEMBLY

Building note:

When installing the stabilizer parts onto the core sheet, make sure the parts are pressed flat against the 

bench. This is especially important for the leading and trailing edge installation. Remember that the 

shape that the stabilizer is in when you apply glue is the shape it will retain.

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1

Install all split ribs on one side of the stabilizer core sheet. Start with S-1 and proceed out in both di

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rections to the tip.

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2 Install ETE trailing edge.

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3 Install SD ply brace.

Summary of Contents for BUSH HAWK XP

Page 1: ...BUSH HAWK XP ASSEMBLY MANUAL TOP NOTCH PRODUCTS COMPANY PO BOX 1051 GOODLETTSVILLE TN 37072 Phone 615 866 4327 ...

Page 2: ...do this No mention of this is made on the package they come in PIN REGISTRATION Agreat shop technique introduced by Top Notch Products is the use of 1 8 piano wire pins to quickly and precisely position laminated parts such as fuselage doublers etc Many of the parts in Top Notch kits utilize this method and are supplied with pinning holes Take the time to construct two of these handy tools Use two...

Page 3: ...et FLE and W3 at a 90 angle 9 Test fit CLE and bevel the top to conform with the rib contour Then install CLE to ribs W1 W2 and W3 10 Glue all ribs to FLE keep all ribs at 90 11 Glue SWC and SWD assembly to the SWA and SWB assembly at W8 then glue ABL ABL B assembly to ribs W8 through W12 Taper the tab at the end of ABL to seat properly in the notch in W8 12 Glue all ribs to the spar web segments ...

Page 4: ... WT can be formed at the same time as the leading edges To finish forming the tip block first assemble the ailerons Tape them in place along the entire aileron leading edge and then align them with the wing trailing edge at the root and tape them in place Use the aileron tip to mark the wing tip block WT and do the final shaping of the wing tip block Note that 3 of wash out is introduced into the ...

Page 5: ...eat this process until the core assembly is completed 2 Assemble the elevator horn and joiner assembly 3 Install El through E6 4 Install EHD over the elevator horn slot 5 Install ELE 6 Flip the assembly over and install El through E6 and ELE 7 Install ELE at the front of ribs E5 and E6 8 Sand and shape the tip leading edge Sand the leading edge hinge line to approximately a 20 angle to allow clear...

Page 6: ... horn caps RHC 5 Sand or plane a 20 angle on the rudder leading edge for hinge clearance 6 Cut a 5 8 length of 1 8 brass tube Crush flat about 3 16 at both ends Drill a 1 16 hole in both ends about 3 32 from the end Bend the 1 16 M W rudder torque rod and slide the one end of the brass tube onto the end of the torque rod Solder in position at 90 to the bend Do not install permanently in the rudder...

Page 7: ...t to the ribs 9 Install the remaining vertical fin skin by applying aliphatic resin glue to all ribs Then place the remaining vertical fin skin in position and apply thin CA along all leading and trailing edges 10 After curing sand the vertical fin leading edges to shape and then sand all surfaces smooth Install the rudder and put this assembly aside The vertical fin and rudder assembly is ready t...

Page 8: ...side Force the two into contact and tack glue with CA Repeat this procedure for all four fuselage doubler sections Note that in the photo at the right the two 1 8 music wire pins have been mounted in a small MDF block to simplify use of this method 4 Turn this assembly over with the ply side down on a piece of parchment paper Use a straight edge to press the parts flat and apply a bead of thin CA ...

Page 9: ...ing WMP press in the 832 T Nuts Fuselage side subassemblies ready to install the formers All formers should be installed with the former labels facing forward Here the three fuselage sections have been assembled with the 1 64 ply doublers wing saddle doubler wing bolt plate and all balsa stiffeners in the aft section 14 Use Epoxy to install F4 and F5 to one fuselage side Make sure both formers are...

Page 10: ...of 3 16 Sq to the top front of F6 29 Assemble the aft deck ATS and install the 3 16 sq Cross pieces Glue this assembly to the aft top fuselage 30 Install FCP chamfer the edges to match formers Fl and F2 31 Assemble the aft bottom sheeting ABS and add the 3 16 brac ing where indicated Glue this assembly to the aft bottom of the fuselage 32 Install F 10 2 between Fl and F2 Bevel both edges of F10 Th...

Page 11: ...linkages for the rudder and el evator These will be installed along with the stabilizer and rudder 4 Assemble the elevator and elevator push rod assembly If using a clevis be sure to use a keeper usually made from a short section of fuel line Place the stab assembly in the stab cradle and mark the covering for removal Trim the ma terial about 1 16 inside this line and remove the center section cov...

Page 12: ...ar retainer clip in the hole provid ed at the bottom of the strut The strut cover installation is now complete Do not install permanently until after cover ing Use a small dab of Epoxy in the hinge slot to retain the hinge Be sure to add about 3 of toe in to the gear leg before final assembly The strut cover parts are laid out to assure a left and right assembly Note that the parts on the right LG...

Page 13: ... level when supported by the motor shaft and the end of the tail cone Add weight to the high wing until it is wings level Set the initial throws as follows Ailerons 3 8 up and 3 8 down Elevator 1 2 up and 1 2 down Rudder 1 right and left and wheel toe in of 3 degrees for best ground handling If you are setting your model up for float operation be sure to use the additional fin area supplied The ho...

Page 14: ...16 R2 X2 5 BALSA 1 16 X 6 X 36 E2 X4 5 BALSA 1 16 X 6 X 36 R3 X2 5 BALSA 1 16 X 6 X 36 E3 X4 5 BALSA 1 16 X 6 X 36 R4 X2 5 BALSA 1 16 X 6 X 36 E4 X4 5 BALSA 1 16 X 6 X 36 R5 X2 5 BALSA 1 16 X 6 X 36 E5 X4 1 AC PLY 1 16 X 6 X 23 R6 X2 5 BALSA 1 16 X 6 X 36 E5 X4 5 BALSA 1 16 X 6 X 36 RC A 4 BALSA 1 16 X 3 X 36 E6 X4 5 BALSA 1 16 X 6 X 36 RHC X2 23 BALSA 1 8 X 3 X 36 EC X2 1 AC PLY 1 16 X 6 X 23 RLE...

Page 15: ...X 3 X 36 VLE 3 X2 26 BALSA 3 16 X 3 X 36 VMM 21 AC PLY 1 8 X 6 X 19 VTE X2 26 BALSA 3 16 X 3 X 36 W1 X2 29 BALSA 3 32 X 4 X 16 W10 6 BALSA 1 16 X 4 X 36 W 11 X2 6 BALSA 1 16 X 4 X 36 W12 X2 1 AC PLY 1 16 X 6 X 23 W2 X2 29 BALSA 3 32 X 4 X 16 W3 X2 29 BALSA 3 32 X 4 X 16 W3 A X2 28 BALSA 3 32 X 4 X 16 W4 X2 29 BALSA 3 32 X 4 X 16 W5 X2 29 BALSA 3 32 X 4 X 16 W6 X2 29 BALSA 3 32 X 4 X 16 W7 X2 28 BA...

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