Picked one of these up today and the guy at the shop said the whistle mechanism could be switched out with the one in a prewar whistling tender. If so,how?
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You'll need to provide a lot more information as tenders numbered 8050T encompass almost 50 years of train production.
TRW
Take the shells off of the 8050T and donor tender and figure out a way to install the whistle unit in to the 8050T. You may have to drill a few holes in bottom of the 8050T to hold the whistle if the holes do not match. Be sure the whistle gets air to it and from it so it will work and make noise.
Charlie
It appears to be a MPC era tender. The guy said I can take the mechanism out of it and use it to replace a postwar mechanism so that I will have a whistle without the grinding noise.
Don't think so. Prewar whistles mount on their sides, with the air escapement ports on the sides. Later air mpc like postwar ones mount flat against the frame of the tender. You will need to make a bracket and I don't think there would be enough room with the DC motor.
The one in this tender mounts flat on the tender frame
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Well, if there is enough physical room and you don't block off the air intake, should be fine.
I just noticed I made a mistake in my original post and said prewar when I meant postwar
You can go back and change your post. Take action, edit. Update now.
That motor and board simply replace the old relay.
If the relay must be retained for some reason vs board, the motor wire comming from the relay would need a bridge rectifier or diode on it to supply dc to the can motor.
