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Lapel, In | GEVO
Bore - 9.8 Inches
Stroke - 12.6 Inches
Max RPM - 1050
Compression Ratio - 17.5:1
Turbo - 7S1712
Source - ES44AC operators manual.
Someone earlier mentioned something about the it using the same turbo as other GE locomotives, this however isn't true, the 7FDL16 found in the Dash 8's an Dash 9 uses the 1716 turbo. The HDL's used a pair of the 1408 turbo.
7FDL16 (as found in the AC4400CW)
Bore - 9 inches
Stroke - 10.5 Inches
Max RPM - 1050
Compression Ratio - 12.7-1
Turbo - 7S1716
7HDL16 (as found in the AC6000CW)
Bore - 9.85 Inch
Stroke - 12.61 Inch
Max RPM - 1050
Compression Ratio - 15.2:1
Turbo - (2) 7S1408D
The HDL was NOT a Copper Bessemer design, the HDL was derived from the Duetz MWM632 which was a large stationary spark ignited natural gas/LNG powered engine. GE/Duetz made significant changes to design to make it diesel/suitable for rail. The failure on Duetz's part to meet reliability standards and deadlines resulted in a large lawsuit by GE against Duetz (which they later won).
The GEVO is derived from the HDL, but share little in common with it.
The FDL shares nothing in common with the GEVO/HDL
Doesn't sound big enough to me.bob
Edited by msb 5/8/2010 22:53
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Locomotive Engine Failure - Blown Piston
