Lanier R/C BF109, Building Instructions

Page 1: ...Building Instructions P 51 BF109 Sport model for 015 engines Legal for SSC Warbird Lanier R C Inc P O Box 458 Oakwood Ga 30566 Copyright 2004 Lanier R C Inc ...

Page 2: ...to the dealer Lanier R C is proud of the care and atten tion that goes into the manufacture of parts for its model kits The company warrants that for a period of 30 days it will replace at the buyers request any parts or material shown to the company s satisfaction to have been defective in workmanship or material at the time of purchase No other warranty of any kind expressed or implied is made w...

Page 3: ... Coroplast Stab 1 7 Coroplast Fin 1 8 1 8 Laser Cut Sheet 1 Stab mount 1 Fuselage sides 2 Nose ring 1 Wing dowel doublers 2 Elevator servo mount 1 9 1 4 Fuselage center support 1 10 1 8 laser Cut Motor Mounts 2 11 Vacuum formed wing center doublers 2 12 Clear canopy P 51 only BF 109 has no canopy 13 Throttle servo mount 14 bamboo skewers 2 15 hardware bag P 51 shown ...

Page 4: ...the slots while the glue dries This will also keep the ure thane glue from expanding out on the wing Stop the tape 2 from the center of the wing so the spars can be joined by the center doubler later Glue all four spars in the slot on both wings You can also use clear duct tape which is available at Home Depot and Lowes stop tape 2 from center We recommend using pro bond ure thane glue which can b...

Page 5: ...ng tape to hold the pan els together till the epoxy sets The wings are flat bottomed Lay the cores on a flat surface with the roots butted together if your table is not straight your wings will not be straight You may have to shim one side to make sure the two halves are perfectly even with each other Layout the position of the aileron servos on each wing panel The front edge of the servo should b...

Page 6: ...l to the center of the wing Use masking tape over the channel to hold the wire in place you must center your servo with the arm in place before installing the servo because you cannot get to it after it is installed Make a cut out to clear the control horn Press the servo into the slot if nec essary use silicone rubber glue on each end to make the servo tight so there is no movement Use a piece of...

Page 7: ...side with 150 grit sandpaper Mix some 30 minute epoxy and spread on the inside of the cover Lay a bead of epoxy on top of the spars on both sides Be sure the spars and the area of the cover that they contact have plenty of glue the spars are not joined in the middle other than the doubler Use masking tape to hold the covers in place both top and bottom till the epoxy sets Locate the ailerons and a...

Page 8: ...wn the trailing edge of the wing wrapping around to the bottom side The ailerons are hinged using the bi directional tape Cut a 3 piece and attach to the aileron at the center end with 1 2 extending past the lead ing edge Fit the angle on the leading edge of the aileron against the wing trailing edge This will have the aileron in the full down position Leave 1 16 clearance from the cen ter section...

Page 9: ...same locations as the tape on the top side Put the tape even with the trailing edge of the aileron and pull it tightly around the trailing edge of the wing The aileron is now hinged with no gap on the top surface The trailing edge of the wing is thicker than the aileron on the bottom but at the speeds the 15 size plane flies it is not a problem Filament tape If you plan to only use the plane for s...

Page 10: ...nd olive drab colored tape It is available in most all colors Lanier R C stocks most colors if you want to order them You can also cover the wing in rip stop nylon available at your local cloth shop Some of the low heat shrink films will work fine On the bottom of the wing start at the trailing edge of the wing not the aileron Flex the aileron down and let the covering go around the trail ing edge...

Page 11: ...the servo output arm Drill the hole 3 8 back from the leading edge on the top of the aileron so it will be just at the rear of the tapered sec tion on the bottom Run thin CA into the hole to harden the balsa Install the 6 32x1 1 2 bolt with washers top and bottom and the nut on top Install the nylon pushrod end on top Use one of the 2 56x10 pushrods golden clevis and 2 56 jam nut and attach to the...

Page 12: ... the 1 4 piece You can use medium CA or epoxy Next locate the nose ring and the vacuum formed fuse bottom Glue the nose ring in the front of the fuse lage using medium CA glue Pay atten tion to the side marked top and don t install it upside down Make sure the notches are aligned straight with the fuse because this is what aligns the center support notches even dis tance from lip of plastic ...

Page 13: ...ace the crutch sides in the fuse lage making sure they sit down in the wing saddle fit here Make sure the sides are pulled back and fit in the front of the wing sad dle Install the center assembly in the fuselage with the notches on the side fitted into the slots in the crutch sides Put the center in place with the marks for the elevator servo mount to the top side Fit the front of the motor mount...

Page 14: ...ake sure the plane is sitting on a flat surface and press the sides down into the wing saddle so as not to warp the fuselage Glue the rear portion of the center support to the plastic behind the fuse sides glue here Glue the elevator servo mount in place on the marks on the fuse cen ter section The top half of the fuselage over laps the bottom half 1 4 Clip the corners of the bottom half of the no...

Page 15: ...eaving a flange to mount the fin The portion of the plastic in the stab saddle will need to be removed as shown above Fit the top half of the fuselage over the bottom half and hold in place with masking tape Start at the nose and align the top straight over the bottom Sight from the front and make sure the fuse looks straight at the cockpit area Move the top till the fuselage looks right Make sure...

Page 16: ... both sides are glued down use an x acto knife and cut the plastic out of the nose ring and the engine opening Cut the plastic away in the wing sad dle Cut at the bottom of the flange which leaves a lip rolled over the edge of the 1 8 fuselage sides Mark the location of the dowel holes by reaching inside the fuse and pushing a sharp piece of wire through the hole in the plywood fuselage side Drill...

Page 17: ...use Mount the stab using three 2 screws and flat wash ers mounting holes mounting holes Fit the fin in place and mark the location of the mounting holes Two holes in the dorsal fin and two in the rear of the fuselage Drill a 1 16 hole through the flange in the fuse lage and the fin at the same time and install a 2 screw Repeat for the other three screws Locate the 3 32 x 6 elevator join er wire Be...

Page 18: ...mbly together with the plate fitting in the notches in the bulkhead 3 Slip the assembly into the fuselage just in front of the elevator servo mount Make sure the bulkhead with rear stamped on it is to the rear of the plane Glue in place using CA 4 Install the elevator and throttle servo using the hardware supplied with the radio 5 The Hayes Great Planes or Thunder Tiger 4 oz tank will fit into the...

Page 19: ...nd Use an e xacto knife to cut a slot from the hole to the end of the dowel that will accept the 2 56 wire 3 Insert the angled end of the eleva tor wire into the hole in the end of the dowel and press into the slot Wrap the wire with string and glue in place with CA 4 Take the piece of wire you cut from the elevator pushrod wire and bend a 90 degree angle in the end 1 8 long Insert it in the other...

Page 20: ...on snap r keeper bamboo skewer Two bamboo skewers are included to stiffen the stab Insert one into the flute in the coroplast just in front of the hinge line Push it all the way in it will extend past the center of the stab Go to the other side and go 1 flute forward of the one on the other side so they will not hit in the middle They will overlap in the cen ter one in front of the other This will...

Page 21: ...k the location on the top of the wing next to the fuselage and invert the plane If you don t have a balance stand place one finger on the marks on each side and the plane should sit level or slightly nose down Add weight if necessary to make it bal ance The control throws should be 1 2 up and down on the elevator on low rate and 3 4 on high rate The ailerons should be 3 8 low rate and 5 8 high rat...

Page 22: ...BF109 tip P 51 tip ...