- --- bob gillis <robertgillis_@_verizon.net> wrote: > From the third picture I gather that only a portion > of the exhaust > steam was used as feed to the feedwater heater. > > The exhaust steam was sprayed by cold water and > condensed. How was the > exhaust steam divided from the main exhaust? Or did > the different pipe > sizes do it? There is a port off of the cylinder saddle casting that is hooked up to the exhaust passage from the valve to the nozzle in the smokebox a pipe delivers the exhaust steam to the exchanger ( any feedwater version) Since steam locomotive a dual acting pistons there is constant flow of exhaust steam (except for a very breif period during the valve lap) Since there was far more exhaust steam than could be accepted by a BL unit the excess just went down the normal passage to the exhaust nozzle. Usually it is a 3" to 4" delivery pipe from the exhaust port to the exchanger. Rich Young The Erie Lackawanna Mailing List Sponsored by the ELH&TS http://www.elhts.org ------------------------------
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