The Great Planes P-51D Mustang 40 is a Great Looking and Great Building WWI Model Airplane Kit. This Kit has a 90-Day Warranty. FEATURES: Balsa and plywood construction CAD engineered with interlocking construction throughout the kit INCLUDES: All the wood to build the kit, clear canopy, plastic cowl, nylon adjustable engine mount, decal sheet, rolled plans & instructions. REQUIRES: Engine: .40-.46 2-stroke or .60-.70 4-stroke Radio: 4-5 channel (5th channel for optional retracts) Servos: 4-5 (ailerons, elevator, rudder, throttle, retracts) Covering: 2 rolls Misc.: 10oz fuel tank, fuel tubing, wheels, 2.75" spinner, wheel collars, building and field equipment. SPECS: Wingspan: 57" Length: 50" Weight: 6lbs Wing area: 580 sq in Airfoil: fully-symmetrical low-wing Wing loading: 24oz/sq ft CG: 5-3/8" aft of LE @ root Throws: hi low Elev 5/8" up ½" down 3/8" up 5/16" down Rud 1-3/8" each 7/8" each Ail 9/32" each 3/16" each COMMENTS: The fuse is fully sheeted, the wing is an open bay wing The radiator scoop is built up from ply and sheeted Decal set P540D01 sold only through GP Manufacturing includes: Four 7-5/8" x 4" Blue & White stars and bars Two each of 7/8" Black numbers 0-9 Two 1½" x 1¼" Red, Black & White Great Planes logos 5-5/8" x ¾" Black "Sweet Thing" Two 5¾" x 2-3/8" Black B7M One 3¾" x 1½" Black & White instrument panel Two 2-1/8" x 3/8" Red, Black & White Great Planes logos To convert to electric power using Kontronik items use, Motor: Tango 45-06 Battery: 38A @ 14 cells (16.8V) or 36A @ 16 cells (19.2V) if using Tango motor or, 34A @ 14 cells (16.8V) Aeronaut Prop: 13x8 or 12x7 if using Tango motor or APC Prop: 13x6.5E (APCQ3065), or 12x6E (APCQ4130) for Tango motor or 12x10E (APCQ4136), or 13x6.5E (APCQ3065) Speed Control: Jazz 40-6-18 3/5/97 kpm ir/jl updt jxs 10/14/04