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| OT? MP36 Whistles or Horns? https://www.rypn.org/forums/viewtopic.php?f=1&t=30058 |
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| Author: | wesp [ Wed Sep 01, 2010 8:51 am ] |
| Post subject: | OT? MP36 Whistles or Horns? |
I have noticed that the horns on the new MP36 engines delivered to MARC in Maryland have a distinctive interurban "whistle" sound. Are these a new design in place of more tradition five-chimes and other air horns? Are they air-supplied as the sound seems to indicate? Thanks. Wesley |
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| Author: | PCook [ Wed Sep 01, 2010 11:01 am ] |
| Post subject: | Re: OT? MP36 Whistles or Horns? |
The MARC MP36 locomotives have an Airchime WH30271 five chime air horn set. They also have a "two intensity" throttling air valve which may be contribute to the whistle-like signature. In addition, they are mounted under the front coupler pocket which can also contribute to somewhat different acoustics due to interaction with the ground profile while moving. PC |
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| Author: | wesp [ Wed Sep 01, 2010 11:39 am ] |
| Post subject: | Re: OT? MP36 Whistles or Horns? |
Thanks! |
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