Rock Island
RR 2-8-2 Mikados
(from a 1921 magazine, in the public
domain)
The following data is compiled from the general instructions in regard
to details of construction, and method of application of
accessories : Copper pipes and valves for water column .covered with
lagging and pipes so applied that any condensation will drain back to
boiler. Westinghouse Air Brake Company to furnish their usual swab
arrangement of lubrication. Tank hose, 48 ins. long. Grate bars, finger
type with dump at rear end. Spring rigging, A. L. Co.'s standard design
of hangers. Hanger at front of trailing spring of loop type. Test gage
cock applied in top of boiler shell at highest point of fire-box crown
sheet. Air reservoirs tapped at back end of right hand reservoirs for 1
in. pipe for independent air line to air turret in cab. Sand pipes to
front of first to front of second and back of third drivers. Air and
signal pipes at front end of engine to be clamped so as to allow 8 ins.
lateral movement. Tank-filling hole, tender coupler yoke, and coal gate
similar to U. S. R. A. engines. Axle bearing pressures, driving front,
178; front inter., 178; main, 83; back, 186; engine truck, 177; trailer
truck, 201. Chambers throttle No. 10 with stem through backhead.
Engines fitted with steel back brake shoes as furnished by De
Remer-Blatchford Co. O'Malley Beare Valve Co. injector steam valves.
Injector checks in accordance with Hancock drawing 625-149. Tender
brakes designed to stand increased pressure for high speed brake.
These tenders may later on be used behind passenger engines. Reverse
gear A. L. Co. type "E" with fibre packing. Ashton steam gages marked
"Safety
First." A. L.—150 triple sander—Harry Vissering &
Company. Nicholson syphon with tell-tale holes in staybolts according
to A. L. Co. practice. Draft gear housing castings cast integral with
tender frames. Symington tender journal boxes. Seamless steel furnished
by Pittsburgh Steel Products Co. for boiler tubes and superheater
flues. Lukens basic firebox steel.