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106  Discussion Boards / Large / Re: Has anyone installed a QSI DDC controller in a Connie? on: March 04, 2008, 04:45:10 PM
Not yet, but will do my Annie that way, have an NCE in it. Really pretty easy, get the "magnum" adapter of course. Use the auto-chuff, it works great, so no magnets... I would put the decoder in the boiler if possible, and then run back to the speaker in the tender.

Regards, Greg

107  Discussion Boards / Large / Re: To Kader Industries: Please read this request on: March 04, 2008, 04:31:39 PM
Dealing with China is a cultural thing, and also different business practices.

The company I work for gets a lot of material from China, made to our specification. We get samples, then order. We often get something different from the sample. Unfortunately, the sample is not made on the production line (sound familiar), so this happens.

One huge problem is that everything is paid for before it even gets to the docks in China. So, what is our alternative? Ship it back? We are often "stuck".

There is no easy solution for "short run" production items.

By the way, Kader makes Bachmann, Sanda Kan makes Aristo and USAT.

Regards, Greg
108  Discussion Boards / Large / Re: Bachmann Consolidation Decoder fitting. on: March 04, 2008, 04:26:56 PM
A friend and I will be doing one soon. I did my annie with a NCE decoder a while back, more effort to open it up. I did disconnect all wires from the boards, rather than try to figure out if there were any sneak paths.

What decoder are you going to use?

Regards, Greg
109  Discussion Boards / Large / Re: k-27/Airwire Question on: March 04, 2008, 12:49:30 AM
I understand the humming is the PWM frequency, not related to the voltage applied. I do not think you can adjust this. I have heard this complaint from several people. CV2 is the starting voltage, which, again, will not adjust the PWM frequency of the decoder.

You may have to use a different AirWire receiver.

Regards, Greg
110  Discussion Boards / Large / Re: What decoders have been (successfully) plugged into the K? on: March 04, 2008, 12:29:29 AM
Your problem is probably one of several things... First, the capacitor is an attempt to reduce "noise" in the circuitry.

I think that is bogus.

The transistor used is also a red herring, it is not needed to "invert" the signal.

The fundamental problem is that the ground reference for the chuff circuitry is from the K, and the ground reference from your sound board is from your sound board.

Connecting the grounds together is not the answer, you can burn up diodes.

The best solution in my opinion is to power the chuff circuitry from the power from your sound decoder. That does mean cutting into the K circuitry.

I realize that you may not like these answers/options, but they are the information that can be proved, not guesses.

You might just give up and use magnets.

Regards, Greg
111  Discussion Boards / Large / Re: Aristo smoke unit mod ? on: March 04, 2008, 12:23:32 AM
The sd-45 type has an on-board regulator, so it can be fed higher input voltages. The regulator is actually a microprocessor, so it often resets if the input voltage goes too low.

The method of how/why the units shut off has not been determined (since it's code in a micro), but I surmise it tries to watch the current draw on the resistor that heats the wick and vaporizes the fluid.

It's thought that the aging of the resistor, changes in capillary action in the wick as it ages, and maybe some other things are the variables that cause a once nicely-functioning unit to not run well.

Replacing the wick/resistor assembly does not always solve the problem.

So Aristo customers just keep sending them back until they get ones that run well.

I have a friend that has 9 of them, and is slowly getting a few to work, and continually sending the non-functioning ones back.

Regards, Greg
112  Discussion Boards / Large / Re: To Kader Industries: Please read this request on: March 04, 2008, 12:16:19 AM
This is a classic case of todays manufacturing. Since the locomotive is not being built on an assembly line dedicated long term to this particular production, the common technique of building a pilot production run and then checking the results is impossible.

One thing the customer (Bachmann) can do is ask the manufacturing company to build prototypes that will exactly match the production units.

Sadly, this does not often happen for many reasons, which I won't get into, too political and critical.

I would think Bachmann could request a few more prototypes, and have them torn apart and run to death in a short time.

The trick is the "guarantee" that the production matches the prototypes.

I'm not sure there is an answer, with market conditions putting extreme pressure on the vendor, although there is a favorite phrase of mine:

There's never enough time to do it right, but there's always enough time to do it over.

Did Bachmann save money by bringing the K to market earlier considering negative press, and having to do the counterweights over?

We will probably never know what the financial bottom line is.

Regards, Greg
113  Discussion Boards / Large / Re: What decoders have been (successfully) plugged into the K? on: February 28, 2008, 05:00:34 PM
No news on the MRC.

So far there seem to only be two units that plug in:

RCS's system that Tony W. has detailed elsewhere.

And the QSI board, from Tony P. for DCC and AirWire.

Wonder if there is some connection? Anyone else named Tony out ther get anything else to plug and play?

In all deference to the Bach-Mann, it's been a while since the orginal post of December 27 about doing an official listing of decoders.

So, anyone else done it yet?

Regards, Greg
114  Discussion Boards / Large / Re: ANYONE KNOW OF A BETTER SMOKER THAT ARISTOS I WANT ALOT OF SMOKE on: February 20, 2008, 12:21:50 AM
This is a fun thread, reading it is like dropping LSD!  Grin

Seriously, The TAS unit puts out a bunch of smoke and is well built, and used in a lot of high end locos. It can also be tied to a chuff switch to puff in synchronization with the pistons.

Another unit that puts out a lot of smoke is the MTH units, but their synchronization with the pistons comes from the MTH DCS decoder, so you will not quite get that effect if you do not go DCS.

Tom gets great smoke because he runs DCC (like I do) with constant track power of about 20 volts. That makes almost anything smoke!

Regards, Greg
115  Discussion Boards / Large / Re: What decoders have been (successfully) plugged into the K? on: February 08, 2008, 12:22:18 AM
Great Al, was hoping to hear from someone with direct experience.

Did you try to interface with the chuff circuitry, or are you using the QSI auto chuff?

Regards, Greg
116  Discussion Boards / Large / Re: DCC in a 2-6-0 Indy on: February 07, 2008, 10:56:51 PM
Locomotives may vary. Why not buy an inexpensive meter from Radio Shack and measure for yourself?

I'd go with at least a 2 amp continuous rated decoder. Never underestimate the lack of cooling of a board in a sealed tender or loco boiler.

Regards, Greg
117  Discussion Boards / Large / Re: What decoders have been (successfully) plugged into the K? on: February 07, 2008, 10:53:50 PM
I'm actually trying to find and document the experiences of people using the socket, and how easy/hard it is to interface to it.

I'm on the NMRA working group (or subgroup) that is looking at a standard socket.

Based on how difficult this seems to "get right" I'm taking a step back and working on how the various electrical interfaces should be defined. Organizing them into a socket is another quantum leap in my opinion.

On the Lenz issue: I recently looked at the DCC wiring diagram for a Connie, and it does give the connections between the screw terminals on the decoder to the wiring in the loco.

In the Bachmann's with screw terminals, it's often just a matter of unscrewing the proper wire and putting it into a decoder.

In the K, we are still learning what and how.

All input welcome.

Regards, Greg
118  Discussion Boards / Large / Re: What decoders have been (successfully) plugged into the K? on: February 07, 2008, 01:05:45 PM
Joker, are you following Bob's suggestions? His step by step approach will yield results, not just "it doesn't work".

If you are following his suggestions, what are the results of the first suggestion of testing the decoder with the  light bulb, just connected to the track, no loco?

If that worked, then how about trying Bob's latest suggestion?

Grumpy: Maybe someone will post something about Lenz, but I do not think a "custom" plug in decoder has been made (yet!).

Regards, Greg
119  Discussion Boards / Large / Re: K-27 chuff circuit transistor on: February 06, 2008, 10:12:42 PM
There is virtually no current required, thus a larger transistor is not necessary or desirable.

Be careful when soldering, do not use excessive heat on the circuit board, especially in areas that have factory solder already.

Regards, Greg
120  Discussion Boards / Large / Re: What decoders have been (successfully) plugged into the K? on: February 04, 2008, 04:55:40 PM
Thanks Joker, seems that there is no data that anything has ever been plugged in without modification. I'd contact Bob Grosh, I think he has some insight on why the Digitrax did not "plug and play". If you get it working, would you please report here what had to be done?


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