FS52AR ASP 4-stroke Engine for Nitro RC Planes
This is the ASP-FS52AR Four-Stroke Model Airplane Engine. Rear-Mounted Updraft Carburetor Ball Bearing-Supported Camshaft and Crankshaft Ringed Piston Reversible Carburetor Cranckase Breather: Fuel line can be attached to the nipple on the crankcase, and Expelled Lubricants Can Then Be Directed Out Of The Cowling. INCLUDES: One ASP-FS52AR Four-Stroke Model Airplane Engine with: parts list, English Version of the Magnum instruction manual, muffler and header, allen wrenches, and pressure tubing. REQUIRES: Glow plug: Four-stroke glow plug only. SPECS: Displacement: .52 cid (8.53cc) Bore: 23mm Stroke: 21mm Weight: 15.7oz Practical rpm Range: 2,000 – 10,500 Crankshaft Thread Size: 1/4-28 Length: 3-1/8" from the Backplate to the Front of the Drive Washer. Width: 1-1/16" Width of Engine Neglecting the Mounting Flanges 2" Including Mounting Flanges Height: 4" Prop: 12×5 (break-in), 11×7, 11×8, 11×9, 12×5, 12×6, 12×7, or 13×4 Fuel: Recommended by manufacturer, 10% nitromethane with 20% castor oil for break-in, no more than 15% nitromethane and no less than 16% castor oil after break-in. Propeller: 11×8, 11×9, 11×10, 12×6, 12×7, 12×8,12×10, 13×5, 13×6 and 13×7. SPECS: Bore: 24.8mm Stroke: 20.6mm Displacement: .61 cu in, Practical rpm: 2,000-12,000 Weight: 15.5oz Prop Nut Size: 1/14-28 Length: 91.5mm (3.60") (from backplate to front of drive washer) Length: 120mm (4-11/16") (from backplate to front of crankshaft) Height: 121mm (4.76") (from bottom of engine to top of head) Width: 52mm (2-1/32") (mounting hole centers-side to side) Width: 25mm (15/16") (mounting hole centers-front to rear) Width: 42.6mm (1.68") (crankcase width neglecting mounting flanges)