美國水星 mercury 船用發(fā)動機 舷外機 推動器馬達 4沖20P 18000元
聯(lián)系人；盧先生 電話17817356015 QQ 851593024
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HP/Kw @ Prop
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25 / 18.6
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Full throttle RPM
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5000-6000
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Cylinder Configuration
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3 (in-line)
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Displacement (L / CID)
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32.1 / 526
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Bore and Stroke (in / mm)
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2.40 x 2.36in
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61 x 60mm
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Air Induction
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None
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Fuel Induction System
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2 valves per cylinder, single overhead cam (SOHC)
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Ignition
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CDI w/electronic spark advance
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Fuel System
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Electronic Fuel Injection (EFI)
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Alternator Amp
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15 amp / 186 watt
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Cooling System
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Water-cooled with thermostat
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Starting
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Electric (turn-key)
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Manual
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Gearcase Ratio
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1.92:1
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Gear Shift
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F-N-R
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Gearcase Options
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—
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Steering
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Remote
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Tiller
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Trim System
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Manual
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Power Trim
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Trim Positions
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—
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Trim Options
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—
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Exhaust System
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Though prop
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Shallow water drive
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—
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Shallow water trim range (degrees)
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16
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Recommended Oil
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Mercury 4-Stroke Outboard Oil
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Fuel Ethanol Tolerance
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87 octane/up to 10% ethanol
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Integral fuel tank (gal / L)
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—
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Remote fuel tank optional
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—
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Optional fuel tank (gal / L)
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—
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Remote fuel tank standard (gal / L)
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6.6 / 25
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Engine Protection Operator Warning System
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Low oil pressure
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Overheat
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Over-rev
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Sensor failure
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Compatible with Smartcraft Digital Technology
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No
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Shaft Length
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15 in (381mm)
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20 in (508 mm)
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Dry Weight * Lightest model available
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157lbs / 71kg
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兩沖程是指活塞只有向上和向下兩個行程.簡單的二沖程演繹出一系列的優(yōu)點,燃燒循環(huán)不再笨重并且更為簡練.二沖程舷外機以其優(yōu)良的加速性 油門的快速反應(yīng)和高功率/重量比而著稱.雖然快艇老手們都喜歡這種二沖程發(fā)動機的粗獷,但燃油消耗量大和排放物多為其推廣設(shè)置了阻礙
四沖程是指進氣 壓縮 做功和排氣.這是一個燃燒循環(huán)的4個階段.由于每一燃燒循環(huán)由4個階段組成,因此,與二沖程發(fā)動機發(fā)動相比,四沖程發(fā)動機噪聲較低,運轉(zhuǎn)更平穩(wěn),燃油效率更高,產(chǎn)生的排放物也較少.四沖程發(fā)動機通常缺少二沖程發(fā)動機的扭矩 扭力和爆發(fā)力.
總的來看，二沖程摩托車的特點是：發(fā)動機體積小、重量輕、功率大、油耗大、排放高，結(jié)構(gòu)簡單，制造、維修方便，價格便宜。四沖程摩托車的特點是：體積大、結(jié)構(gòu)復(fù)雜，油耗低，排放低，制造、維修較麻煩，價格相對較高。
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