JHOLLAND1
Titanium
- Joined
- Oct 8, 2005
- Location
- western washington state
30 years ago I was one of a three man team holding a contract for the US Coast Guard to inspect icebreakers
we used infra-red and ultrasonic instruments to inspect electrical and mechanical gear--ie--motor control boxes, electrical wiring, all rotating elements, etc
we spent a week on WAGB 4--Glacier following its return from McMurdo base
flew to San Francisco and journeyed to Portland -home berth- on the ship
the Polar Star and Polar Sea are sister ships built by Lockheed Shipyard--Seattle--and problems with these breakers were primary reason Lockheed declared bankruptcy
the Polar series were interesting---each had 6 Fairbanks Morse Alco four stroke marine diesels coupled to dc generators
each Alco produced 3000 shp
but 3 Pratt Whitney JT4 turbines were also included each rated 20,000 continuous shp for 60,000 shp turbine output
Alco fuel consumption at about 50 percent demand would consume fuel complement of 1.2 million gal in 3 months
the JT4 turbines would go thru same volume in 14 days
part of an ice breakers mission to McMurdo was to replenish base fuel supply
600,000 to 1 million gallon off load
the Polar series actually held 1.5 million gallons but a reserve was always necessary
so where does Sulzer fit into this thread---?
the polar class proved to be huge headaches--and when the Coast Guard commisioned the successor generation--the Healy--also home ported in Seattle-
four 12 cylinder four stroke Sulzer diesels were selected for propulsion--
the Healy has proved highly reliable--
video link is Sulzer operation in 1930's---highpoint is Schiess linear planer which is impressive by todays standards
Sulzer in the 193s - YouTube
we used infra-red and ultrasonic instruments to inspect electrical and mechanical gear--ie--motor control boxes, electrical wiring, all rotating elements, etc
we spent a week on WAGB 4--Glacier following its return from McMurdo base
flew to San Francisco and journeyed to Portland -home berth- on the ship
the Polar Star and Polar Sea are sister ships built by Lockheed Shipyard--Seattle--and problems with these breakers were primary reason Lockheed declared bankruptcy
the Polar series were interesting---each had 6 Fairbanks Morse Alco four stroke marine diesels coupled to dc generators
each Alco produced 3000 shp
but 3 Pratt Whitney JT4 turbines were also included each rated 20,000 continuous shp for 60,000 shp turbine output
Alco fuel consumption at about 50 percent demand would consume fuel complement of 1.2 million gal in 3 months
the JT4 turbines would go thru same volume in 14 days
part of an ice breakers mission to McMurdo was to replenish base fuel supply
600,000 to 1 million gallon off load
the Polar series actually held 1.5 million gallons but a reserve was always necessary
so where does Sulzer fit into this thread---?
the polar class proved to be huge headaches--and when the Coast Guard commisioned the successor generation--the Healy--also home ported in Seattle-
four 12 cylinder four stroke Sulzer diesels were selected for propulsion--
the Healy has proved highly reliable--
video link is Sulzer operation in 1930's---highpoint is Schiess linear planer which is impressive by todays standards
Sulzer in the 193s - YouTube