Re: Barbara & Roger's Semi-Silent Movie at Martinez Point . . . 
| September 30, 2022 07:02PM |
|
guymonmd Wrote:
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> The audio in that clip is interesting me. For a
> large portion of the clip you can only hear the
> noise of the pilot wheels rolling down the track.
> The rest of the engine noise (chuffing, etc.) is
> not auditable for most of the clip.
Roger Hogan Wrote:
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> The sound did not sound like what I was expecting.
The sound was not resounding for a very sound reason, Youse Guys -
Per the profile of the C&TS on Ernie Robart's large map, the elevation at Osier (~ m.p. 318.5) is 9634' and the elevation at Los Pinos "Station" (~ m.p. 322.8) is also 9634'. In other words the track is essentially dead level for about 4½ miles, so the Johnson bar (small 'b', only one 'r') of the loco is probably set just a notch or two forward of center, and as a somewhat disappointing result there's not much chuffing to be heard even if Roger's mike were clipped to the stack . . .
- Sincerely, Willie (Wm. Claude Johnson-Barr III, Esq.)
"Not All Who Have Cell-Phones Do Twitter *
"Not All Those Who Ponder Can Think . . . "
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Edited 2 time(s). Last edit at 09/30/2022 07:23PM by Johnson Barr.
--------------------------------------------------
> The audio in that clip is interesting me. For a
> large portion of the clip you can only hear the
> noise of the pilot wheels rolling down the track.
> The rest of the engine noise (chuffing, etc.) is
> not auditable for most of the clip.
Roger Hogan Wrote:
--------------------------------------------------
> The sound did not sound like what I was expecting.
The sound was not resounding for a very sound reason, Youse Guys -
Per the profile of the C&TS on Ernie Robart's large map, the elevation at Osier (~ m.p. 318.5) is 9634' and the elevation at Los Pinos "Station" (~ m.p. 322.8) is also 9634'. In other words the track is essentially dead level for about 4½ miles, so the Johnson bar (small 'b', only one 'r') of the loco is probably set just a notch or two forward of center, and as a somewhat disappointing result there's not much chuffing to be heard even if Roger's mike were clipped to the stack . . .
- Sincerely, Willie (Wm. Claude Johnson-Barr III, Esq.)
"Not All Who Have Cell-Phones Do Twitter *
"Not All Those Who Ponder Can Think . . . "
* Only TWITS Twitter!
Edited 2 time(s). Last edit at 09/30/2022 07:23PM by Johnson Barr.
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488 stops for water at Los Pinos tank on closing day Oct. 1979. Photo courtesy Don Richter
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