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JPX PUL 425

The JPX PUL 425, also called simply the JPX 425, is a French twin-cylinder, horizontally opposed, two-stroke aircraft engine.[1]

JPX PUL 425
Two JPX PUL 425s mounted on a Lazair 2
Type Two-cylinder two-stroke engine
National origin France
Manufacturer JPX
Produced until the early 1990s
A Lazair II two-seat trainer has one of its JPX PUL 425 engines started. Lazairs generally do not have electrical systems and their engines are started by recoil start.

The engine was produced only until the company went out of business in the early 1990s. The company was re-formed but the engine remains out of production and unsupported for parts.[1]

Design and development edit

The engine has two cylinders in a horizontally opposed configuration, with cooling fins on the cylinders. The single ignition system uses a coil and points. Fuel is metered by a single Tillotson butterfly-type carburetor. Starting is by a recoil starter system with electric start as an option.[1]

The 425 has a redline rpm of 4600 and does not use a reduction drive. Its weight of just 38 lb (17 kg) gives the engine a high power-to-weight ratio.[1]

Applications edit

Specifications (425) edit

Data from Cliche[1]

General characteristics

Components

  • Fuel system: Tillotson butterfly-type carburetor
  • Oil system: premixed oil and fuel
  • Cooling system: air cooled

Performance

  • Power output: 26 hp (19 kW) at 4600 rpm

See also edit

References edit

  1. ^ a b c d e Cliche, Andre: Ultralight Aircraft Shopper's Guide 8th Edition, page G-4 Cybair Limited Publishing, 2001. ISBN 0-9680628-1-4


also, called, simply, french, twin, cylinder, horizontally, opposed, stroke, aircraft, engine, mounted, lazair, type, cylinder, stroke, engine, national, origin, france, manufacturer, produced, until, early, 1990s, lazair, seat, trainer, engines, started, laza. The JPX PUL 425 also called simply the JPX 425 is a French twin cylinder horizontally opposed two stroke aircraft engine 1 JPX PUL 425 Two JPX PUL 425s mounted on a Lazair 2 Type Two cylinder two stroke engine National origin France Manufacturer JPX Produced until the early 1990s A Lazair II two seat trainer has one of its JPX PUL 425 engines started Lazairs generally do not have electrical systems and their engines are started by recoil start The engine was produced only until the company went out of business in the early 1990s The company was re formed but the engine remains out of production and unsupported for parts 1 Contents 1 Design and development 2 Applications 3 Specifications 425 3 1 General characteristics 3 2 Components 3 3 Performance 4 See also 5 ReferencesDesign and development editThe engine has two cylinders in a horizontally opposed configuration with cooling fins on the cylinders The single ignition system uses a coil and points Fuel is metered by a single Tillotson butterfly type carburetor Starting is by a recoil starter system with electric start as an option 1 The 425 has a redline rpm of 4600 and does not use a reduction drive Its weight of just 38 lb 17 kg gives the engine a high power to weight ratio 1 Applications editLatecoere 225 Lazair 2 Lazair SS Lazair Series III Snipe Diamond Zenair ZipperSpecifications 425 editData from Cliche 1 General characteristics Type twin cylinder two stroke engine Displacement 424 cc 25 87 cu inches Dry weight 38 lb 17 kg Components Fuel system Tillotson butterfly type carburetor Oil system premixed oil and fuel Cooling system air cooled Performance Power output 26 hp 19 kW at 4600 rpmSee also editKawasaki 440 Rotax 377 Hirth F 263 Hirth F 33References edit a b c d e Cliche Andre Ultralight Aircraft Shopper s Guide 8th Edition page G 4 Cybair Limited Publishing 2001 ISBN 0 9680628 1 4 Retrieved from https en wikipedia org w index php title JPX PUL 425 amp oldid 1159557524, wikipedia, wiki, book, books, library,

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