2si 460 Contents Development Variants Applications Specifications (460-F35 aircraft engine) See also References Navigation menu"2si Company Profile"the original"Diesel / Multi-fuel Engine - Model 460 MF - Marine and Industrial Applications"the original"Engine Models 460F-35 and 460FE-35 Industrial Configuration"the original"460L-50 Engine & JP-2 Jet Pump Package"the original"MARINE ENGINE MODEL 460L-50"the original"Engine Models 460F-35 and 460FE-35 Sport Configuration"the originale

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Air-cooled aircraft piston enginesTwo-stroke aircraft piston engines


two-strokeaircraft enginesultralight aircraftILO-MotorenwerkeGermanyAMW Cuyuna Engine CompanyBeaufort, South CarolinaTwo Stroke Internationalcapacitor discharge ignitioncarburetorsrecoil starter










2si 460
Type

Two-stroke aircraft engine

National origin

United States
Manufacturer

2si

The 2si 460 is a family of in-line twin-cylinder, two-stroke, single ignition, aircraft engines that were designed for ultralight aircraft.[1]


The basic engine was originally designed and produced by ILO-Motorenwerke of Germany and was later acquired by the AMW Cuyuna Engine Company of Beaufort, South Carolina and marketed under the Cuyuna brand name. Later the engine was marketed by Cuyuna under the Two Stroke International (2si) brand. Cuyuna no longer markets engines for aircraft use, although the 460 is still in production as a Diesel/multifuel or gasoline industrial, marine and sport vehicle engine.[1][2][3][4][5][6][7]




Contents





  • 1 Development


  • 2 Variants


  • 3 Applications


  • 4 Specifications (460-F35 aircraft engine)

    • 4.1 General characteristics


    • 4.2 Components


    • 4.3 Performance



  • 5 See also


  • 6 References




Development


The 460 is a conventional twin-cylinder engine that weighs 59 lb (27 kg) in its F35 aircraft version. The engine features single capacitor discharge ignition, piston porting, tuned exhaust system, one or two slide venturi-type carburetors, fuel pump, a cast iron cylinder liner, ball, needle and roller bearings throughout. The aircraft version was offered with cog belt drive or a gearbox reduction system. Starting is electric starter or recoil starter.[1]



Variants


460-F35

Gasoline aircraft engine, single carburetor, 35 hp (26 kW) at 6000 rpm, weight 59 lb (27 kg) (discontinued).[1]

460-F40

Gasoline aircraft engine, single carburetor, 40 hp (30 kW) at 6500 rpm, weight 70 lb (32 kg) (discontinued).[8]

460-F45

Gasoline aircraft engine, dual carburetors, 45 hp (34 kW) at 6750 rpm, weight 70 lb (32 kg) (discontinued).[1]

460 MF

Diesel/multi-fuel engine for marine and industrial applications, 37 hp (28 kW) at 6000 rpm, weight 78.5 lb (36 kg) without gearbox.[3]

460F-35

Gasoline industrial engine and sport vehicle engine for auto racing, kart and All-terrain vehicle applications, single carburetor, 35 hp (26 kW) at 6000 rpm, basic weight 55 lb (25 kg).[4][7]

460FE-35

Gasoline industrial engine and sport vehicle engine for auto racing, kart and ATV applications with electric start, single carburetor, 35 hp (26 kW) at 6000 rpm, basic weight 55 lb (25 kg).[4][7]

460L-50

Gasoline marine engine powering a jet pump, 50 hp (37 kW) at 6750 rpm.[5][6]


Applications



  • Aero-Works Aerolite 103

  • Calumet Snobird Explorer

  • Denney Kitfox

  • Fisher Avenger

  • Fletcher Hercules

  • Goodwin Buckshot

  • Harmening High Flyer

  • Heldeberg Spirit 103

  • Little Wing Roto-Pup

  • RagWing RW1 Ultra-Piet

  • RagWing RW2 Special I

  • RagWing RW9 Motor Bipe

  • Raven Explorer I

  • Spacek SD-1 Minisport

  • V-STOL Pairadigm

  • V-STOL Super Solution 2000

  • V-STOL XC 2000T

  • Wings of Freedom Flitplane



Specifications (460-F35 aircraft engine)


Data from Cliche[1]


General characteristics



  • Type: Twin-cylinder, two-stroke aircraft engine


  • Bore: 69.5 mm (2.74 in)


  • Stroke: 60.0 mm (2.36 in)


  • Displacement: 455 cc (27.77 cu in)


  • Length: 14.5 in (368.30 mm)


  • Width: 16.0 in (406.40 mm)


  • Height: 16.0 in (406.40 mm)


  • Dry weight: 59 lb (27 kg)

Components



  • Valvetrain: piston porting


  • Fuel type: Minimum 92 octane


  • Oil system: premixed oil and fuel


  • Cooling system: fan cooled


  • Reduction gear: cog belt or optional gearbox

Performance



  • Power output: 35 hp (26 kW) at 6000 rpm


See also


  • List of aircraft engines

  • Hirth 2702

  • Rotax 377



References




  1. ^ abcdef Cliche, Andre: Ultralight Aircraft Shopper's Guide 8th Edition, page G-2 Cybair Limited Publishing, 2001. .mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em
    ISBN 0-9680628-1-4


  2. ^ Two Stroke International (n.d.). "2si Company Profile". Archived from the original on 2010-01-15. Retrieved 2010-02-16.


  3. ^ ab 2si (n.d.). "Diesel / Multi-fuel Engine - Model 460 MF - Marine and Industrial Applications". Archived from the original on 2010-01-15. Retrieved 2010-02-18.


  4. ^ abc 2si (n.d.). "Engine Models 460F-35 and 460FE-35 Industrial Configuration". Archived from the original on 2010-03-06. Retrieved 2010-02-18.


  5. ^ ab 2si (n.d.). "460L-50 Engine & JP-2 Jet Pump Package". Archived from the original on 2009-09-01. Retrieved 2010-02-18.


  6. ^ ab 2si (n.d.). "MARINE ENGINE MODEL 460L-50". Archived from the original on 2013-01-16. Retrieved 2010-02-18.


  7. ^ abc 2si (n.d.). "Engine Models 460F-35 and 460FE-35 Sport Configuration". Archived from the original on 2013-01-16. Retrieved 2010-02-18.


  8. ^ Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, page 69. BAI Communications.
    ISBN 0-9636409-4-1









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