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2056  Discussion Boards / HO / Re: wiring a wye turnaround on: March 01, 2007, 02:39:43 AM
Jim’s info is to the point.

The following link may help out should you have more questions. BUT it has details and information beyond the scope of your question and the content possibly information overkill.
Scroll down to REVERSING.
It is about half way down the web page.
2057  Discussion Boards / General Discussion / Re: glue or screw? on: March 01, 2007, 02:14:01 AM
(Psst -- it is Homasote)  Wink

Sealing the Homasote with in expensive latex flat paint makes it less susceptible to warping caused by moisture.
2058  Discussion Boards / HO / Re: Bach-man or anyone: DCC install - 0-6-0T question on: February 28, 2007, 12:35:18 AM
(1)   the motor is already isolated from the frame?
Short answer -- Yes
DCC Ready means  the motor brushes are  isolated from the track power pickups and there is some means to accept the installation of a decoder be it socket, solder pads, wires or something else. For DCC decoder to work power can only reach the motor brushes thru the decoder. Easiest way to isolate the motor brushes is to isolate the motor.

(2)   The front and rear lights are ready  to work with the DCC chip without adding resistors or changing bulbs, etc.?
Short answer -- Yes
What you are calling a DCC chip is better known as a DCC decoder.

If so, can I just remove the 2 jumpers from the PCB and solder the appropriate wires from the chip, and be good to go?
Short answer -- Depends on the decoder used
Some decoders require you cut one leg of each capacitor.

Information in the following may help but use a DZ123 decoder
2059  Discussion Boards / General Discussion / Re: Possable new board on: February 26, 2007, 02:12:06 AM

"Suggest DCC should not be a Board Name under Scale (Category Name) but on a Category Name level of Command Control with a DCC board under it."

With respect, that is Double-Dutch.

DCC, Digital Command Control, is just one type of Command Control
2060  Discussion Boards / General Discussion / Re:Possible new board on: February 26, 2007, 01:48:33 AM
Suggest DCC should not be a Board Name under Scale (Category Name) but on a Category Name level of Command Control with a DCC board under it.

In covering this matter offline with the Bach-man just a few days ago, he has based his decision to leave DCC as is, at the Topic Subject level, I believe on a misconception about his workload.
2061  Discussion Boards / HO / Re: Clean engine wheels on: February 25, 2007, 06:03:19 PM
* Locomotive wheels *
Cut a Handi Wipes or the like in four inch strips, DO NOT use paper towel. Place one strip across the track and soak the towel part over each rail with about a half capful of Isopropyl Alcohol. Place one truck, for a diesel, on the wet towel and the other truck on the track. Hold the locomotive with one hand and slowly turn up the power pack throttle to spin the wheels. When these wheels are clean, turn the locomotive around and do the other truck. Spin as many wheels as you can at a time for steam locomotive. If wheels very dirty use “Goo Gone” (not recommended for use on rubber traction tires) all-purpose cleaner in place of the alcohol and gauze pad in place of the towel. After wheels are clean then spin wheels on dry towel to remove the cleaner residue. If you are using DCC make an extra effort to remove the cleaner residue. Finish with very, very small amount of conductive contact lube on each metal driving wheel tread and electric pick-up rub points.

Do not clean wheels or track with a heavy abrasive product because it can do as much harm as good. The scratches left in the metal by an abrasive cleaning method provides a place for contamination to accumulate  and makes the next cleaning harder to accomplish and more frequent cleaning required.

2062  Discussion Boards / HO / Re: Telephone Poles on: February 25, 2007, 02:48:58 AM
If you want to have wires between the poles, consider using Spandex thread. It looks as good as wire and much easier with which to work. Its elastic property will be beneficial when hands or other objects come in contact with the "wires" when they should not.

Yes, you still can have the sag between poles. Attach with ACC. Spandex thread can be painted. It comes in different sizes although the fabric - sewing shop may have to order the size you need for scale.
2063  Discussion Boards / HO / Re: Telephone Poles on: February 19, 2007, 04:55:15 PM
Pole spacing depends on lots of factors. See how 40 to 60 poles per mile looks on your layout.

Accessory power wire AWG too large for HO scale telephone poles.
2064  Discussion Boards / HO / Re: Circuitron Tortoise on: February 18, 2007, 05:41:26 PM
Circuitron Tortoise is Stall type (as Robin wrote) and requires constant power.

If you want to control the Tortoise with a DCC stationary (a.k.a. accessory) decoder, make sure the decoder is designed to be used with it.
2065  Discussion Boards / HO / Re: 1" ez track on: February 18, 2007, 12:30:37 AM
Bachmann list Item No. 44513 as 2.25" Straight Track. There is not currently a 2.5" or 1" E-Z Track piece.

Kevin's statement about the 2" is correct.
2066  Discussion Boards / HO / Circuitron Tortoise on: February 17, 2007, 10:43:01 PM
BTW; does anyone know the current a tortiose motor will draw?  I lost the specs I had.  Any feedback is appreciated.
Circuitron Tortoise -- During operation, the draw is approximately 3ma. Stalled it will draw up to  25ma.
2067  Discussion Boards / Large / Re: speed formula/voltage+ a shay on: February 17, 2007, 05:36:18 PM
A 1:20.3 locomotive is moving a lot slower in scale than even a 1:29 locomotive travelling at the same actual speed would be going in scale....
Matthew (OV)
To cover the same distance in the same time
1:20.3 scale is 7 MPH
1:29 scale is 10 MPH
2068  Discussion Boards / Large / Re: speed formula/voltage+ a shay on: February 16, 2007, 11:42:01 PM
You used the MPH formula correctly (6.98 rounded 7.0 MPH).
Too many variables to state all Bachmann Large-Scale 1:20.3 38 Ton Shays will be running 7.0 MPH at 10 Volts.
2069  Discussion Boards / General Discussion / Re: Formula for scale miles per hour calculation on: February 15, 2007, 12:58:57 AM

OR  if you don't have a calculator handy Wink

Divide MPH by 5 to give Inches per second.

60MPH/5 = 12 Inches/Second.

Multiply Inches per Second to give MPH.

18 Inches/Second X 5 = 90MPH
Mark, your method works for HO scale only.
2070  Discussion Boards / General Discussion / Formula for scale miles per hour calculation on: February 14, 2007, 05:39:24 PM
The following can be used to calculate scale miles per hour for any scale and any timed length of travel. Best to use a stop watch to time the travel over a measured distance.

L = length of travel in inches
F = scale factor
T = time in seconds for locomotive to travel length.

Scale MPH = ((L x F/12)/5280) x 3600/T

Example: If it takes 5.2 seconds for a HO locomotive to travel over two straight pieces of Bachmann sectional E-Z Track.
L = length of travel in inches: 18 inches
F = scale factor: 87.1
T = time in seconds: 5.2

Scale MPH = ((18 x 87.1/12)/5280) x 3600/5.2 = 17.1 MPH 


To use   Microsoft EXCEL
Cell A1 enter length travel in inches
Cell A2 enter scale factor
Cell A3 enter time in seconds
Cell A4 enter the scale MPH formula  =((A1*A2/12)/5280)*3600/A3

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