Triple-Expansion Steam Engine Historical

Triple-Expansion Steam Engine Historical (HM1X75)

Location: San Francisco, CA 94109 San Francisco County
Country: United States of America

N 37° 48.478', W 122° 25.255'

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Before you is a 30 ton triple-expansion engine from the steam schooner Wapama, This is the larges artifact rescued from the vessel before it demolition. Inside the visitors center across the street are extensive exhibits and films. There you can see a model of the ship, Wapama's cast iron propeller, and learn more about California's lumber trade.

Propulsion - Single propeller, two oil-fired water-tube boilers, 800hp, speed of 10 knots.
Length: 26 feet
Beam: 41 feet
Depth: 16 feet

(Side bar on right)

Wapama was the last of some 225 steam schooners that transported lumber from the Pacific Northwest to California ports. These large wooden vessels replaced sailing schooners like C.A. Thayer (seen further down the pier) and they provided passenger service to the smaller lumber ports like Eureka and Mendocino.
HM NumberHM1X75
Placed ByNational Park Service
Marker ConditionNo reports yet
Date Added Thursday, March 9th, 2017 at 1:01pm PST -08:00
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Locationbig map
UTM (WGS84 Datum)10S E 550974 N 4184666
Decimal Degrees37.80796667, -122.42091667
Degrees and Decimal MinutesN 37° 48.478', W 122° 25.255'
Degrees, Minutes and Seconds37° 48' 28.68" N, 122° 25' 15.3" W
Driving DirectionsGoogle Maps
Area Code(s)415, 510, 650
Which side of the road?Marker is on the right when traveling South
Closest Postal AddressAt or near 2901-2975 Hyde St, San Francisco CA 94109, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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