Model Tech P-5IB Mustang Old Crow User Manual

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Modellbau Lindinger GmbH

Check out our website for more information on other exciting Model Tech products!

Model Tech Co., Ltd.

Hong Kong

Version 1 December 2009

Wing span: 66.25 Inches (1680mm)

Weight rTf: 8.75 Pounds (3.95kg)

radio required: 5-Channel or More with Fixed Landing Gear / 6-Channel or More with Optional Retractable Landing Gear

engine required: .91 Two-Stroke or 1.20 Four-Stroke

Made in China

e-Mail: office@lindinger.at

asseMbly INsTruCTIoNs

hTTp://ModelTeCh.globalhobby.CoM

Precovered in Scale Colour Scheme with Flat Finish Coat

Stable, Predictable Flight Characteristics for a Scale Aircraft

High-Quality, Laser-Cut Parts and Jig-Built Construction

Dual Aileron and Flap Servos

Hand-Layed and Prepainted Fiberglass Cowl

Built-Up Wing Fairings Integral to Fuselage

High-Quality Hardware Package Includes Fixed Landing Gear Option

Compatible with Robart Retractable Landing Gear and Oleo Struts

speCIfICaTIoNs

Wing area: 785 Square Inches (50.6dm

Wing loading: 25.6 Ounces/Square Foot (78gr/dm

functions: Ailerons, Flaps, Elevator, Rudder, Throttle, and Retracts (Optional)

feaTures

)

length: 58 Inches (1473mm)

Page 1

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Kit Product Number MT3177F

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Page 1 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at asseMbly INsTruCTIoNs Check out our website for more information on other exciting Model Tech products! hTTp://ModelTeCh.globalhobby.CoM feaTures Precovered in Scale Colour Scheme with Flat Finish Coat Stable, Predictable Flight Characteristics for a Scale Aircraft...
Page 2: Table Of Contents
Model Tech guarantees this kit to be free from defects in both material and workmanship at the date of purchase. This does not cover any component parts damaged by use, misuse or modification. In no case shall Model Tech's liability exceed the original cost of the purchased kit.
Page 3: Our Recommendations
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at our reCoMMeNdaTIoNs please read through this entire section very carefully. We have provided you with recommendations that, if followed, will result in a great flying aircraft. failure to follow our recommendations may result in a poor flying aircraft. IMporTaNT Depending on your geographic location, the specific products recommended in this section may or may not be available to you.
Page 4: Tools And Supplies Required
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at Tools aNd supplIes reQuIred q 5 Minute and 30 Minute Epoxy q Straight Edge Ruler q Thin C/A and Thick C/A q Pencil q C/A Debonder q Builder's Triangle q Thread Locking Compound q 220 Grit Sandpaper q Formula 560 Canopy Glue q Sanding Block q Silicon Sealant...
Page 5: Kit Contents
Before you begin assembly, group the parts as we list them below. This will ensure that you have all of the parts before you begin assembly and it will also help you become familiar with each part. If you find any parts missing or damaged, please contact your local Model Tech dealer directly, using the separate Customer service sheet included with your kit.
Page 6 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at TaIl Wheel asseMbly q (1) Tail Wheel Wire with Mounting Bracket q (1) Tail Wheel q (1) Nylon Spacer q (1) Wheel Collar with Grub Screw q (3) M3 x 12mm Wood Screws eNgINe MouNT asseMbly q (2) Engine Mounting Beams q (4) M4 x 35mm Socket-Cap Screws q (4) M4 x 25mm Socket-Cap Screws...
Page 7: Replacement Parts
The following replacement parts are available for purchase. If you need to order replacement parts, we recommend ordering directly from your local hobby retailer. If your hobby retailer does not stock Model Tech products, you can order replacement parts directly from your local distributor, using the Customer service Information sheet included with your kit.
Page 8: Wing Assembly
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at WINg asseMbly you'll Need The folloWINg parTs froM The KIT: q (1) Right Wing Panel with Flap and Aileron q (6) Hinge Points q (1) Left Wing Panel with Flap and Aileron q (1) Hardwood Wing Joiner q (6) Pinned Hinges you'll Need The folloWINg Tools aNd supplIes: q 5 Minute and 30 Minute Epoxy...
Page 9 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q When satisfied with the fit and alignment, remove the hinges from the aileron, then apply a thin coat of machine oil or petroleum jelly to only the pivot point of each of the three hinges. IMporTaNT The machine oil or petroleum jelly will prevent excess epoxy from gluing the hinges solid.
Page 10 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at sTep 2: hINgINg The flaps q Each flap is hinged using three hinge-points. Working with the right wing panel for now, test-fit each of the three hinge points into the predrilled holes in the flap. When positioned properly, the entire pivot point of each hinge should be above the surface of the flap, and the hinges should be parallel to the leading edge, so that they pivot straight up and down.
Page 11 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at sTep 3: alIgNINg The WINg paNels q Cut away the excess covering material that overlaps onto the root ribs of each wing panel, leaving about 1/16" (1.5mm) overlapped so it does not pull away later. IMporTaNT It's very important to the integrity of the wing centre- section joint that you remove as much covering material from the root ribs as possible.
Page 12: Wing Mounting
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Working with only one wing panel for now, apply a thin layer of 30 minute epoxy inside the wing joiner mounting box and to only half of the wing joiner. IMporTaNT Make sure to cover the top and bottom, as well as the sides, and use enough epoxy to fill any gaps.
Page 13 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Cut away the covering material from over the top and bottom of the two predrilled wing-screw mounting holes in the trailing edge of the wing. The holes are located 3" (76mm) in front of the trailing edge and 1-5/8" (41mm) out from the centre-section joint.
Page 14: Horizontal Stabiliser Installation
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at horIZoNTal sTabIlIser INsTallaTIoN you'll Need The folloWINg parTs froM The KIT: q (1) Horizontal Stabiliser with Elevator Halves q (4) C/A-Style Hinges you'll Need The folloWINg Tools aNd supplIes: q 30 Minute Epoxy q Masking Tape q Thin C/A q Airplane Stand q C/A Debonder...
Page 15 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q With the wing panels installed, use a straight edge ruler to measure the distance between the tips of the stabiliser and the tips of the wing. Pivot the front of the stabiliser until both of these measurements are equal. When both of these measurements are equal, you're assured that the stabiliser is square to the wing.
Page 16 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q To make it less messy during installation, apply masking tape to the fuselage around the side of the mounting slot that the stabiliser will slide into and to the top and the bottom of the corresponding side of the stabiliser, too. pro TIp Because the stabiliser slides into place through the fuselage, apply epoxy only to the stabiliser.
Page 17: Vertical Stabiliser Installation
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Remove the T-pins and push the elevator half tightly against the stabiliser, making sure that the tip of the elevator is even with the tip of the stabiliser. q While holding the elevator half tightly against the stabiliser, pivot the elevator half down 45º...
Page 18 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Remove the stabiliser and carefully cut away the covering material from below the lines you drew. Cut away the covering material from both sides of the rudder post and from the front of the rudder post, too. q Glue the stabiliser into place, using 30 minute epoxy.
Page 19: Engine Installation
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Mount the tail wheel bracket to the bottom of the fuselage, using three M3 x 12mm wood screws, making sure to first drill three 5/64" (2mm) diameter pilot holes for the wood screws. q Slide the nylon spacer onto the axle, followed by the tail wheel.
Page 20 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Temporarily glue the two engine mounting beams to your engine's mounting lugs, using a couple of drops of thick C/A. IMporTaNT The location of the engine is not important at this time. It's more important that the beams are square to the mounting lugs. q Line up the engine mounting beams over the precut slots in the firewall and temporarily install the four M4 x 25mm socket-cap screws, four M4 split washers, four M4 flat washers and four M4 blind nuts.
Page 21: Fuel Tank Assembly And Installation
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at fuel TaNK asseMbly aNd INsTallaTIoN you'll Need The folloWINg parTs froM The KIT: q (1) 360cc Fuel Tank q (1) Fuel Pick-up (Clunk) q (3) Aluminium Tubes q (1) Silicone Fuel Tubing q (1) Rubber Stopper q (1) Metal Support Ring q (1) Metal Plate - Small q (1) M3 x 20mm Machine Screw...
Page 22: Throttle Control System Installation
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q With the stopper assembly installed, double-check to make sure that the clunk can move freely inside the fuel tank. Ideally, the clunk should be about 1/4" (6mm) in front of the back of the fuel tank. This will ensure that the clunk can't get stuck in the fuel tank during flight.
Page 23 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at sTep 1: INsTallINg The ThroTTle servo q Install the rubber grommets and brass collets onto your throttle servo, making sure to install the collets with the flanges toward the bottom of the servo. q Install the throttle servo into the servo mounting hole in the front of the servo tray, making sure to drill 1/16"...
Page 24: Elevator Control System Installation
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at elevaTor CoNTrol sysTeM INsTallaTIoN you'll Need The folloWINg parTs froM The KIT: q (1) 25-3/4" (654mm) Threaded Pushrod Wire with 90º Bend q (2) Wheel Collars with Grub Screws q (1) 22-1/4" (565mm) Threaded Pushrod Wire with 90º Bend q (4) M2 x 20mm Machine Screws q (2) Nylon Control Horns with Backplates q (2) M2 Hex Nuts...
Page 25 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Install the control horn and backplate, using two M2 x 20mm machine screws, then use wire cutters to cut the top of the machine screws off flush with the control horn backplate. q Repeat the previous procedures to install the second control horn onto the other elevator half.
Page 26: Rudder Control System Installation
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at rudder CoNTrol sysTeM INsTallaTIoN you'll Need The folloWINg parTs froM The KIT: q (1) 29-1/4" (743mm) Threaded Pushrod Wire with 90º Bend q (1) Nylon Snap-Keeper q (1) Nylon Control Horn with Backplate q (2) M2 x 20mm Machine Screws q (1) Metal Clevis q (1) M2 Hex Nut you'll Need The folloWINg Tools aNd supplIes:...
Page 27: Aileron And Flap Control Systems Installation
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Carefully slide the pushrod wire into the rudder pushrod wire guide tube. q Centre the rudder servo and install the servo horn onto the servo, making sure that the servo horn is centred and points toward the side of the fuselage. q Install the servo horn retaining screw to secure the servo horn to the servo.
Page 28 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Cut away the covering material from over the servo lead exit hole in the top of the same half of the wing. The servo lead exit hole is located 5/8" (16mm) out from the centreline of the wing and 6-1/2" (165mm) in front of the trailing edge.
Page 29 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Centre the aileron servo and install the servo horn onto the servo, making sure that the servo horn is centred and points toward the wing tip. q Install the servo horn retaining screw to secure the servo horn to the servo. q Use a couple of pieces of masking tape, taped between the aileron and the wing, to hold the aileron centred.
Page 30: Cowl Installation
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at CoWl INsTallaTIoN you'll Need The folloWINg parTs froM The KIT: q (1) Cowl q (6) M2 x 10mm Flange-Head Wood Screws you'll Need The folloWINg Tools aNd supplIes: q Thin C/A q Straight Edge Ruler q # 1 Phillips Head Screwdriver q Pencil q Adjustable Wrench...
Page 31: Canopy Installation
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Mark and cut out the areas of the cowl to clear the muffler and to give you access to your engine's high and low speed needle valves. You should also install a fuel valve in a convenient location on the side or bottom of the cowl so that you can fill the fuel tank. q Install the cowl, using six M2 x 10mm flange-head wood screws, then install your propeller and spinner.
Page 32: Fixed Landing Gear Installation
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Set the canopy onto the fuselage and align it. When aligned properly, the canopy should be centred over the cockpit opening with viewed from the side and the canopy should be centred with the fuselage when viewed from the front. q When satisfied with the alignment, use pieces of masking tape to hold the canopy firmly in place.
Page 33 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at pro TIp Apply a thin layer of flat black or gray paint to the exposed edges of the balsa wing sheeting, both to seal the bare wood, and to enhance the appearance. q Cut away the covering material from over the landing gear wire mounting slots and from over each of the four predrilled holes in the corners of the two landing gear mounting blocks.
Page 34 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Position two nylon mounting straps over the landing gear wire. Space the centre of each nylon mounting strap 1" (25mm) in from the ends of the landing gear wire. q While holding the nylon mounting straps in place and centred over the landing gear wire, mark the four locations of the mounting screws onto the landing gear mounting block.
Page 35: Final Assembly
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at IMporTaNT When you install the the landing gear door cover in the next procedure, the straight edge of the landing gear door cover should be toward the leading edge of the wing. q Tack-glue one landing gear door cover to the landing gear door cover mounting block. When positioned properly, there should be a 1/4"...
Page 36: C/G And Balancing
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at C/g aNd balaNCINg IMporTaNT It is critical that your aircraft be balanced correctly. Incorrectly balancing your aircraft can cause your aircraft to lose control and crash! balaNCe poINT (C/g): 5.75" (146MM) baCK froM The leadINg edge of The WINg, Measured aT The fuselage sIdes. q Turn the aircraft upside down, place your fingers on the wing at the balance point, then carefully lift the aircraft.
Page 37: Preflight Check And Safety
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at preflIghT CheCK aNd safeTy Completely charge the transmitter and receiver batteries before your first day of flying. Check every bolt and every glue joint in the aircraft to ensure that everything is tight and well-bonded. This should include all of the control surface hinges as well.
Page 38: Retractable Landing Gear Installation
Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at reTraCTable laNdINg gear INsTallaTIoN you'll Need The folloWINg parTs froM The KIT: q (2) Main Gear Wheels (Optional) q (8) M3 x 25mm Wood Screws q (2) Nylon Spacers (Optional) you'll Need The folloWINg Tools aNd supplIes: q Silicon Sealant q Assorted Drill Bits q # 2 Phillips Head Screwdriver...
Page 39 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at q Use the tip of your modeling knife to make a hole through the side of the wheel well (at the bottom) just large enough to run the air lines through. q Run the air lines through the wheel well and out through the air line exit hole in the top of the wing.
Page 40 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at sTep 4: INsTallINg The aIr CoNTrol valve, aIr fIll valve, aNd aIr lINes IMporTaNT Use the instructions provided with the Robart Variable Rate Air Valve kit to install the air control valve, the air fill valve, and the remaining air lines and Quick Connects.
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Page 43: Product Evaluation Sheet
Your privacy is important to us. 7) Was any of the assembly difficult for you? If yes, please explain. 1) Kit: Model Tech p-51b Mustang "old Crow" arf # MT3177f q Yes q No...
Page 44 Modellbau Lindinger GmbH e-Mail: office@lindinger.at www.lindinger.at _______________________________ _______________________________ post office will not deliver _______________________________ without proper postage (Return Address Here) Global Hobby Distributors attn: global services 18480 Bandilier Circle Fountain Valley CA 92728-8610 fold along dotted line Page 44...

Model Tech P-5IB Mustang Old Crow User Manual

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