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 Post subject: Re: Steam locomotive whistles
PostPosted: Mon Oct 16, 2017 10:38 pm 

Joined: Mon Oct 16, 2017 7:08 pm
Posts: 3
Ok here is the real story regarding #2816's whistle's, I know because I was there. The original saturated steam whistle was full of mud wasp nests when it came from steamtown and thus found to be in very poor condition. It was used to make a pattern to have a new whistle cast which the engine currently wears; the original whistle was sent back to steamtown with the stoker motor, screw, and all other original parts that weren't used. The return of unused parts was part of CP's agreement with steamtown.

After the engine was operated a couple years it was found that the original whistle was very hard on the ears of the operating and pilot crews, it was decided that a second whistle be added. In keeping with CPR practice and to reduce the noise in the cab it would be mounted behind the stack. In the fall of 2003 CPR 5935 lent 2816 its superheated, air actuated STEAM whistle and it was mounted. Because it uses superheated steam and is air actuated (on/off) it has a different sound to it, it is however proper. Later Royal Hudsons, Pacifics, Mikados, and Selkirks all have the same whistle in the same location.


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 Post subject: Re: Steam locomotive whistles
PostPosted: Tue Oct 17, 2017 12:07 am 

Joined: Sun Feb 24, 2013 1:09 am
Posts: 55
whitworth wrote:
After the engine was operated a couple years it was found that the original whistle was very hard on the ears of the operating and pilot crews, it was decided that a second whistle be added. In keeping with CPR practice and to reduce the noise in the cab it would be mounted behind the stack. In the fall of 2003 CPR 5935 lent 2816 its superheated, air actuated STEAM whistle and it was mounted. Because it uses superheated steam and is air actuated (on/off) it has a different sound to it, it is however proper.


First, thank you "whitworth" for providing the information you have about #2816.

Second, let me make sure I understand this correctly (and please correct me if I'm wrong). Both whistles on #2816 are steam powered. However, one of them is air actuated, and the other is controlled manually. So, this whistle being used in this video (https://www.youtube.com/watch?v=uFwBcidiVP8) is the air actuated whistle, and the whistle being used in this video (https://www.youtube.com/watch?v=plHipv3SdEQ) is the manually controlled whistle. Is that correct?

Also, are both of the whistles on #2816 CP 5 chimes? If they aren't, what are they?

Lastly, can they switch which whistle is air actuated? I ask because it seems like the whistle near the smokestack is generally the one that is air actuated. However, in "Rocky Mountain Express", it appears that whistle is manually operated.

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Chris H.

- Diesels are boxcars with an engine, but steam is an iron horse.


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 Post subject: Re: Steam locomotive whistles
PostPosted: Tue Oct 17, 2017 12:27 am 

Joined: Mon Oct 16, 2017 7:08 pm
Posts: 3
Yes, both whistles are steam, one is controlled with a rope and lever and the other is controlled by compressed air opening the operating valve on the whistle. They are both 5 chime.
No they can't switch, the Selkirk whistle can't be operated by hand and the Hudson whistle can't be operated by air.
I didn't hear any whistle in your first video, but you are correct that the manual hudson whistle is being used in the second.


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 Post subject: Re: Steam locomotive whistles
PostPosted: Tue Oct 17, 2017 12:42 am 

Joined: Mon Oct 16, 2017 7:08 pm
Posts: 3
One last thing on the topic, attached is part of the CPR Royal Hudson erection drawing showing the location of the superheated whistle. It can't be operated by hand...


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 Post subject: Re: Steam locomotive whistles
PostPosted: Tue Oct 17, 2017 2:48 am 

Joined: Sun Feb 24, 2013 1:09 am
Posts: 55
whitworth wrote:
Yes, both whistles are steam, one is controlled with a rope and lever and the other is controlled by compressed air opening the operating valve on the whistle. They are both 5 chime.
No they can't switch, the Selkirk whistle can't be operated by hand and the Hudson whistle can't be operated by air.
I didn't hear any whistle in your first video, but you are correct that the manual hudson whistle is being used in the second.


First, thank you very much "whitworth". You have answered a lot of my questions.

Regarding the first video link, the whistle I'm referring to starts at ~5:30. If you still can't hear it, try from this video (https://www.youtube.com/watch?v=WhWCQaIWce4). I'm assuming that is the air actuated 5 chime. Also, why does the air actuated whistle sound different between those two videos and when #2816 was in "Rocky Mountain Express"? Here's an example of #2816 in that movie (https://www.youtube.com/watch?v=cjFgJ9dA5z8).

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Chris H.

- Diesels are boxcars with an engine, but steam is an iron horse.


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