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<div dir="ltr" data-setdir="false">David,</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">The Class K was capable of speeds much in excess of 35 mph. Remember, it was the primary passenger engine until the class J came along. No one pays any attention because it was not one of the "big three" designs, but I'd say an upward limitation in excess of 80 is more likely.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Tim<br></div><div><br></div>
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On Tuesday, January 14, 2025 at 04:25:17 PM EST, NW Mailing List <nw-mailing-list@nwhs.org> wrote:
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<div><div id="ydp1cdbdb65yiv1344592091"><div><div><div>Hi, <div><br clear="none"><div>More or less none of those cv settings have universal values, and most are going to be specific to the locomotive. </div><div><br clear="none"></div><div>The speed curves depend on your preference and also decoder type. I recommend the default, non linear responses drive me nuts, but that's your call.</div><div><br clear="none"></div><div>Speed matching is just pick your best and smoothest runner and use it as the benchmark. I would not bother trying for scale MPH limited by the decoder. The trim/matching is set by experimenting. TCS has a match feature, which you just follow they verbal instruction it gives you to set that up. Otherwise it's a very tedious process.</div><div><br clear="none"></div><div>Your question about consisting should be more general about if and how lights and sounds were matched by locomotives that ran together? </div><div><br clear="none"></div><div>David Baker </div></div><br clear="none"><br clear="none"><div class="ydp1cdbdb65yiv1344592091gmail_quote"><div id="ydp1cdbdb65yiv1344592091yqt78906" class="ydp1cdbdb65yiv1344592091yqt5101012602"><div dir="ltr" class="ydp1cdbdb65yiv1344592091gmail_attr">On Tue, Jan 14, 2025, 1:27 PM NW Mailing List <<a shape="rect" href="mailto:nw-mailing-list@nwhs.org" rel="nofollow" target="_blank">nw-mailing-list@nwhs.org</a>> wrote:<br clear="none"></div><blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;" class="ydp1cdbdb65yiv1344592091gmail_quote">
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Steam Modelers;</div>
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It’s been a long time since I’ve seen any messages from the NW-<u>Modeling</u>-List leaving me to wonder if it has fallen into disuse. So, I’ll post here on the NW-<u>Mailing</u>-List.</div>
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I am initiating the task of programming the CV’s of a small number of N&W Steamers in classes A, J, K, S1, Y3, & Y6b and many questions are coming to mind. So, why not tap into the best data source for guidance? As you share information, please indicate the
Locomotive Class.</div>
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Beginning with some foundational matters:</div>
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My goal is to keep things <u>reasonably</u> realistic. For example; The Y classes were not speed-demons, and the K classes had operational speed limits due to counterbalance issues.</div>
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When dealing with acceleration and deceleration rates – I’m rather torn about actually putting hard values in CV’s because I would say they should be dependent on external conditions such as train power and weight, in addition to terrain.</div>
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Have you pursued speed limitations? Initial research suggested these top speeds for Road Power: </div>
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Class A – 70 mph</div>
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Class J – 110 mph</div>
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Class K – 35 mph</div>
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Class Y – 50 mph</div>
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What are you using for:</div>
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CV 02 – Start Voltage</div>
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CV 03 – Acceleration Rate</div>
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CV 04 - Deceleration Rate</div>
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CV 05 – High Voltage (Speed Limiting)</div>
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CV 06 – Mid Voltage</div>
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CV 65 – Kick Start</div>
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Speed Curves:</div>
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Which are you using?</div>
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3-point curve? (Start, Mid, High of a preloaded curve)</div>
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CV 25 - Speed Table Selection? Which one?</div>
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14 step or 28 step configured?</div>
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What do you have for CV 67 to CV 94?</div>
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Are you using a Throttle Control Mode? If so, which one?</div>
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Speed Matching & Consisting:</div>
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If it is Speed Matched, to what locomotive?</div>
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What values do you use for:</div>
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CV 66 – Forward Trim</div>
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CV 95 – Reverse Trim</div>
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What values do you use for consisting with other Locomotives:</div>
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CV 21 – Consist Functions Fn1 to Fn8</div>
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CV 22 – Consist Functions Fn0 & Fn9 to Fn12</div>
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CV 23 – Consist Acceleration Rate</div>
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CV 24 - Consist Deceleration Rate</div>
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Thank you,</div>
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Dave Willis</div>
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Blt 1962, CN 4</div>
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