Compressed Air Locomotive #9

Compressed Air Locomotive #9 (HM2AD4)

Location: Lead, SD 57754 Lawrence County
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Country: United States of America
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N 44° 21.108', W 103° 46.048'

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Inscription

Homestake Mining District

—Lead, South Dakota —

Homestake Mining Company Locomotive Number 9 was purchased in 1907 from the H.K. Porter Company of Pittsburgh Pennsylvania. The H.K. Porter number for this locomotive was 3847.
This locomotive is powered by compressed air. The capacity of the large air tank is approximately 135 cubic feet of air at 1000 psi (pounds per square inch). It was filled from a large stationary air compressor on the Tramway Level of the mine. The air is released via the throttle to the pistons which drive the wheels, similar to a steam engine.
This locomotive was used to transport ore from the shafts across the Tramway Level and dumped into the top of the mills where crushing, milling and refining took place.
Locomotive 9 weighs approximately 27,000 pounds operated on 22 inch gauge track.
Details
HM NumberHM2AD4
Tags
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Placed ByBlack Hills Mining Museum
Marker ConditionNo reports yet
Date Added Tuesday, August 14th, 2018 at 1:04pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)13T E 598231 N 4911686
Decimal Degrees44.35180000, -103.76746667
Degrees and Decimal MinutesN 44° 21.108', W 103° 46.048'
Degrees, Minutes and Seconds44° 21' 6.48" N, 103° 46' 2.8800000000001" W
Driving DirectionsGoogle Maps
Area Code(s)605
Which side of the road?Marker is on the right when traveling East
Closest Postal AddressAt or near 323 W Main St, Lead SD 57754, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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