Re: Re: Re: Re: Re: Steam whistle air pressure?

Posted by Bob Kerr on December 13, 2001 at 17:34:50 from (205.188.193.33):

In Reply to: Re: Re: Re: Re: Steam whistle air pressure? posted by Hugh MacKay on December 13, 2001 at 15:42:09:

I have a steamboat and one nice summer evening I finnished up testing the boiler, before an antique boat show,and put in a small fire and brought the pressure up to just 20 lbs. By this time it was about 11PM at night and all was quiet. I gave the whistle cord a tug and the echos that came back were astounding!The last one I heard came back about 15-20 seconds after I blew the whistle.I heard the echos coming back from many different directions.It sounded so neat, I was floored! I did it several more times before I thought I would get the whole countryside awake. The land there is not in a valley but is almost perfectly flat and the sound must have bounced off of grain elevators, water towers, silos, barns and the like.The sound that returned came back sounding excatly like it did when I blew the whistle and wasn't mixed in with any other echos like you get in a valley. You could have swore there were 8 other guys sitting out there in the blackness with a steamer blowing their whistles as a hello. It was almost worth charging admission! If I had the full 80 lbs in the boiler I would have charged admission! The next day I asked the folks down the road if I bothered them and the said they never heard it. They were kind of bummed they didn't hear it as they haven't heard it yet and the only time I ever fire up the boiler is at a lake 15 miles away. Maybe the echos I heard were the ghosts of all the old traction engines that were in the area years ago saying hello!

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