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Great Planes - GPMA1421   735557014216 0735557014216
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  Tech Notes

Accessories Needed

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Great Planes 25% Pitts M-12s 50cc ARF 50cc,68.5"
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Great Planes 25% Pitts M-12s 50cc ARF 50cc,68.5"
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On-line Videos: Video 1 (50.1 MB) Video 2 (69.6 MB) Video 3 (YOUTUBE)
Instruction Manuals: Manual 1 (2.3 MB) Manual 2 (97 KB)
Shipping Note: Oversized Product, additional shipping charge applies

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Tech Notes
     This is the radio controlled, gasoline powered, almost ready to fly
          Great Planes Performance Series 25% Pitts M-12s 3D Biplane.
                     For Intermediate to Advanced Modelers.
                              IMAA- and IMAC-legal

FEATURES: Construction: Balsa and plywood Wings: Two-piece balsa and plywood with fiberglass struts, wooden belly pan, painted cabanes and composite tubes Covering: Top Flite MonoKote Radio Compartment: Plywood reinforced, accesible under canopy Cowl: Painted fiberglass Canopy: Clear, with gauge detail and painted pilot bust Wheel Pants: Painted fiberglass Landing Gear: Two-piece molded, gray in color Wheels: Two foam 3.5" (89mm) diameter Tailwheel: Foam 1.5" (38mm) Rudder Control: Single servo, pull pull system Aileron Control: Four servos Elevator Control: Dual servo Engine Mount: Plywood Fuel Tank: Approximately 30oz (850cc) Hardware: Great Planes Heavy Duty Building Time: Ready to fly in approximately 30 hours Warranty: Great Planes Model Manufacturing Company guarantees this kit to be free from defects in both materials and workmanship at the date of purchase. This warranty does not cover any component parts damaged by use or modification.

INCLUDES: Pre-built and covered wings, fuselage and tail assemblies, pushrods, landing gear, wheels, wheel pants, cowl, fuel tank, wood servo trays, canopy, pilot bust, decal sheet, hardware package, photo- illustrated instructions

REQUIRES: Engine: 3 cu in (50cc) gasoline Radio: 7 channel minimum, 9-12 channel preferred, radio must be able to reverse each elevator servo independently, otherwise a Dual Servo Reverser (FUTM4150) is required Servos: Eight, seven with at least 150 oz-in of torque, throttle servo can be standard torque Receiver Battery: 4.8V flat NiCd, at least 1500mAh Ignition Battery: 4.8V flat NiCd, 500mAh Propeller: To match selected engine 24" (610mm) Servo Extensions: Two 12" (305mm) Servo Extensions: Five 6" (152mm) Dual Servo Extensions: Two Heavy Duty Switch Harness and Charge Jack Building and field equipment

SPECS: Wingspan: 68.5" (1740mm) Wing Area: 1545 sq in (99.7sq dm) Weight: 19-20 lb (8620-9070 g) Wing Loading: 28-30 oz/sq ft (85-92 g/sq dm) Length: 80.5" (2045mm) Airfoil: Fully symmetrical Center of Gravity (CG): 6" (152mm) back from the leading edge of the center section of the top wing Control Throws: Low Rate High Rate 3D Rate Ailerons: 3/4" (19mm) 12 1" (25mm) 16 2" (51mm) 33 Elevator: 1" (25mm) 10 1-1/4" (32mm) 12 2-7/8" (73mm) 29 Rudder: 2" (51mm) 10 3" (76mm) 14 6" (152mm) 30

COMMENTS: Following are the colors of MonoKote used to cover this model and order numbers for six foot rolls; White TOPQ0204 Metallic Charcoal TOPQ0407 Orange TOPQ0202 Metallic Blue TOPQ0402

The spinner shown on the photos is GPMA4020. It is jxs 10/27/09 mistakenly referred to as GPMQ4020 in the manual. ir/jxs

– If you need more information, use these Great Planes resources –
Web Site:
Phone: 217-398-8970
  Postal Address:
Great Planes

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Accessories Needed
This is the gasoline powered ARF Great Planes 25% Pitts M-12s 3D Biplane. FEATURES: Covered in MonoKote, fiberglass wing struts cowl & wheel pants, pilot bust, dual ailerons on both wings, carbon fiber tail wires REQUIRES: 3cu in (50cc) gasoline engine, 7+ channel radio, 8 servos, RX battery servo extensions, ignition battery, prop, bldg & field equip.

Accessories for the Great Planes 25% Pitts M-12s 50cc ARF 50cc,68.5"

Primary Accessories Radio & Engine Equipment Building & Field Equipment Optional Accessories
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
 LXJ778 Great Planes Switch/Charge Jack Mounting Set
Qty Discount Available
3.89   In Stock
 LXRZ80 Great Planes Gasoline Fuel Tubing 3'
Qty Discount Available
4.49   In Stock
 LXL431 Hobbico Latex Foam Rubber 1/2"
Qty Discount Available
6.99   In Stock
 LXHY52 Top Flite 22x10 Power Point Propeller
Qty Discount Available
19.99   In Stock
Subtotal for this Group of Accessories: 35.36  
Click to Order all items listed in this Group of Accessories    Buy This group of Accessories

Primary Accessories Radio & Engine Equipment Building & Field Equipment Optional Accessories

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