Dear Bill:
I know this might sound heretical but have you considered having only one
or two chuffs per revolution? After listening to an HO 4-8-4 being run with a
passenger train (4 chuffs per revolution) and an American Flyer 4-8-4 with a
passenger train (1 chuff per revolution), The HO model was an almost continuous
noise. The real UP 4-8-4 844 has distinct chuffs at almost any speed. I must
state I like hearing the distinct chuff. I don't feel the current crop of
sound units do a good job at passenger speeds. They have it perfected for slow
speeds such as D&RGW narrow gauge climbing the mountains.
Are front and rear engines (mechanisms) independent? Do the side rods go
in and out of sync like the real ones? If they don't then one cam would be
enough for the whole thing. If they are independent I would definitely have
one cam on each engine. I have sound recordings of a UP Big Boy and 3985. The
front and rear engines do not stay in sync. That is the greatest part of sound
and double-heading steam.
Consider faking it with fewer chuffs per revolution.
Thorin
P.S. My father had a UP O Scale Challenger. It had only one motor powering
both engines. I like seeing the rods look 'out of sync'. I discovered that I
needed to have the front engine with rods up and the rear engine with rods
down. Remember that when photographing a passenger engine the rods should be
up and the reverse for freight.
--- In [email protected], "Bill Lane" <bill@...> wrote:
>
> Ed,
>
>
>
> I only did some light n fluffy programming when I first put the Tsunami in.
> But I am 99.99% sure I did not set it to articulated mode. Using articulated
> mode might be an eventual option for me using 1 cam only. I am going to get
> into the programming a little more today and turn off most of the cutesy
> noises I **hate** like the shoveling coal.
>
>
>
> I have used the Grizzly Mountain cams on 2 O Scale locos so far. They were
> OK but I can't imagine using the very small sizes like for an HO loco.
>
>
>
> I will say with some certainty that my S brass steam locos all have factory
> installed sound cams. I kind of use that fact as the deciding factor for
> sound installations. Most but not all of my brass steam engines have or will
> get sound units. The "others" mixed materials steam engines will not.
>
>
>
>
>
>
>
> Thank You,
> Bill Lane
>
> Modeling the Mighty Pennsy & PRSL in 1957 in S Scale since 1988
>
> See my finished models at:
> <http://www.lanestrains.com/> http://www.lanestrains.com
> Look at what has been made in PRR in S Scale!
>
> Custom Train Parts Design
> <http://www.lanestrains.com/SolidWorks_Modeling.htm>
> http://www.lanestrains.com/SolidWorks_Modeling.htm
>
> PRR Builders Photos Bought, Sold & Traded
> (Trading is MUCH preferred)
> <http://www.lanestrains.com/PRRphotos.xls>
> http://www.lanestrains.com/PRRphotos.xls
>
> ***Join the PRR T&HS***
> The other members are not ALL like me!
> <http://www.prrths.com/> http://www.prrths.com
> <http://www.lanestrains.com/PRRTHS_Application.pdf>
> http://www.lanestrains.com/PRRTHS_Application.pdf
>
> Join the Pennsylvania Reading Seashore Lines Historical Society
> It's FREE to join! <http://www.prslhs.com/> http://www.prslhs.com
> Preserving The Memory Of The PRSL
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
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