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THE M-14P ENGINE SPECIFICATIONS
The M-14 P front view	The M-14P rear view
Manufacturers: Voronezh Mechanical Plant / OKB Motorostroyeniya, Voronezh, Russia Designation................................................................................ M-14P Cooling system .......................................................................... air cooled Engine starting system ..............................................................Compressed air type Engine continuous operation time: At take-off rating ..............................::..::::.................. Up to 5 min At maximum permissible speed of rotation .......... ................... Up to 1 min At other ratings .................................. ...................................... Not limited Inverted engine operation: Ratings ........................................... ..........................................Nominal Continuous operation time ......................... .............................. Up to 2 min Total time within service life ...................................................... Up to 18 % Maximum permissible speed of rotation ............... ................... 2950 (101 %) r/min Acceleration (pickup) from 760 r/min (idle) to take-off rating on stationary airplane .............. ....................................... Up to 3 s Maximum permissible crankshaft speed drop when changing over to one-magneto operation at nominal rating II and cruise rating I (low propeller pitch).. ...................... 85 r/min (3 %) Number and arrangement of cylinders ................. .................... 9, radial, single-row Cylinder numbering is counterclockwise if viewed from rear cover side, top cylinder is No. 1 Cylinder bore ............................................................................. 105 mm Piston stroke: Cylinder No. 4 .................................... ....................................... 130 mm Cylinders No. 3 and No. 5 ..........................................................130.15 mm Cylinders No. 2 and No. 6 ............................. ............................130.23 mm Cylinders No. 8 and No. 9 ............................. ............................130.39 mm Cylinders No. 1 and No. 7 ............................. ............................131.25 mm Total displacement .................................. ................................. 10.161 1 Compression ratio ................................... ................................. 6.3+0.1 Direction of rotation of crankshaft and airscrew shaft ...............LH Engine dry mass ..................................... 214 kg+2% NOTE: Engine dry mass does not include mass of the generator, compressor, fine fuel filter with pipelines, engine mount ring, exhaust manifold parts, tachometer generator. Engine overall dimensions: Diameter (over valve mechanism case covers) ....... ............... (985+3) mm Length ............................................ ......................................(924+3) mm
The M-14P engine ready to go, before being packed in a wooden crate.

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