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by Bufferstop
Tue Apr 13, 2010 2:00 pm
Forum: DCC Forum
Topic: Bachmann E-Z controller
Replies: 7
Views: 1407

Re: Bachmann E-Z controller

Care to guess which way the real railway works? Are you referring to the outfit who, for no apparent good reason, relaid a curve so that it was tight enough to make the flanges squeal! Then got complaints from the neighbours. So what did they do? Installed a row of industrial sized lawn sprinklers ...
by Bufferstop
Sun Apr 11, 2010 6:12 pm
Forum: Track/Layout Design
Topic: Prototype research
Replies: 9
Views: 1779

Re: Prototype research

Old large scale maps as suggested plus the books and going to look for yourself. The layout of Bescot Junction has changed over the years, but I can still see what was the foundations of my uncles signal box.
by Bufferstop
Sun Apr 11, 2010 6:07 pm
Forum: DCC Forum
Topic: Stay-alive capacitor hacking
Replies: 68
Views: 10034

Re: Stay-alive capacitor hacking

Well if you want electrofrogs in this geometry, just modify the frogs with conductive paint :D (you can get it) Andrew Yep - I've got a (very)little tube of it. Great for mending PCB tracks, replacing with Peco points may actually be cheaper! it's actually colloidal silver. It can work but it's not...
by Bufferstop
Sun Apr 11, 2010 10:38 am
Forum: Baseboard Design and Construction
Topic: Newby Questions
Replies: 12
Views: 2382

Re: Newby Questions

Hi PC_GEEK Welcome to the forum. Sounds as though you have something most of us would die for, space. You need to ask yourself these questions. 1 - will the board ever have to be moved once constructed? 2 - In-situ will I be able to reach every part of the board? 1200mm by 600mm is probably the larg...
by Bufferstop
Sat Apr 10, 2010 11:28 pm
Forum: DCC Forum
Topic: Stay-alive capacitor hacking
Replies: 68
Views: 10034

Re: Stay-alive capacitor hacking

At a guess somewhere beyond the rectifier there's already a capacitor across the supply. If there is spiking as seen by martin71, a capacitor is going to convert it into a higher steady voltage. It'll be Interesting to see what happens to that voltage when you put on the bigger caps. I think a small...
by Bufferstop
Sat Apr 10, 2010 7:38 pm
Forum: DCC Forum
Topic: Stay-alive capacitor hacking
Replies: 68
Views: 10034

Re: Stay-alive capacitor hacking

Now i've seen your video (had to wait for the old broadband to climb back to a decent speed) I think I know where the 27v comes from. The track voltage is 15v AC with a control signal superimposed on top. Your meter expects a constant voltage on DC not what's present at the points you are measuring....
by Bufferstop
Sat Apr 10, 2010 6:56 pm
Forum: Real World Railways
Topic: Class 67
Replies: 24
Views: 2498

Re: Class 67

Ste - you asked
ste234 wrote:After buying the Dapol EWS 67 ( 8) ) to run with some freight, i don't know what to get for it to haul.


With the answers you got it would be fair to say that you found yourself in exactly the same position as EWS after they bought the 67s and lost the mail contract.
by Bufferstop
Sat Apr 10, 2010 1:06 pm
Forum: Baseboard Design and Construction
Topic: Foam Baseboard and Point Motors
Replies: 14
Views: 4204

Re: Foam Baseboard and Point Motors

Bufferstop - not sure that I'm too keen to cut my points... :) You only need to do anything to the points if your using Setrack or Hornby, where there are rail joiners spot welded to the rail. Streamline points come with no joiners and you cut the sleeper fixings on the adjoining track. As I said h...
by Bufferstop
Fri Apr 09, 2010 4:41 pm
Forum: DCC Forum
Topic: Stay-alive capacitor hacking
Replies: 68
Views: 10034

Re: Stay-alive capacitor hacking

OK! seems you have a value to work with now and if you want to do it for it's own sake I'll not argue agin it. I'd definitely try to introduce some vertical movement into that locos axles though. Just enough for the non driven ones to drop a little. Just enough that if you hold it in the air and put...
by Bufferstop
Fri Apr 09, 2010 12:19 pm
Forum: DCC Forum
Topic: Stay-alive capacitor hacking
Replies: 68
Views: 10034

Re: Stay-alive capacitor hacking

I have one set of two points facing away from each other which is a particular problem; the track top height on one of the rails seems to be a few microns lower than the one it's fishplated to, and the length of the loco so unfortunate, that the loco ends up with two diagonally opposite wheels sat ...
by Bufferstop
Fri Apr 09, 2010 11:48 am
Forum: Electrical & Electronics
Topic: railway crossing sounds project DIY
Replies: 11
Views: 1551

Re: railway crossing sounds project DIY

Had the grandkids round last weekend. They have a big box of "Megablox" (like giant Lego) and amongst it are a couple of units which have 2 buttons and a trumpet like horn. Pressing the right sequence on the buttons allows you to record a few seconds of sound, which then plays back when a ...
by Bufferstop
Fri Apr 09, 2010 10:49 am
Forum: Real World Railways
Topic: Chiltern Line A4
Replies: 8
Views: 1431

Re: Chiltern Line A4

It's amazing how far a loco's whistle carries. About a mile from our house, across open fields and behind a small hill there's an accommodation crossing with whistle boards. We rarely here the horns of the Sprinters which are up and down every hour, but in the Summer when the Shakespeare Express is ...
by Bufferstop
Thu Apr 08, 2010 11:17 pm
Forum: Real World Railways
Topic: Chiltern Line A4
Replies: 8
Views: 1431

Re: Chiltern Line A4

Yes there were steam specials on the Chiltern line around then. They almost all ended up just down the line from us at Stratford on Avon. We knew when they were coming as it was impossible to get in or out of the village because of cars abandoned in the lane by the photographers. If you saw a blue A...
by Bufferstop
Thu Apr 08, 2010 7:03 pm
Forum: Real World Railways
Topic: Prototype Deltic
Replies: 26
Views: 3758

Re: Prototype Deltic

The inherent simplicity of a steam locomotive, even one like Tornado lends itself to construction with general purpose tools providing they are of the right size. The Deltic engine which gave the loco it's name is a highly complex device. DP1 would not have been possible if the engine had not alread...
by Bufferstop
Thu Apr 08, 2010 3:35 pm
Forum: Electrical & Electronics
Topic: Using a 3amp O gauge controller on OO
Replies: 4
Views: 1050

Re: Using a 3amp O gauge controller on OO

If this is a purely resistor controller rather than a transistorised one such as made by Guagemaster then my guess is it will offer little in the range of speed control. ie flat out or dead stop. If it's a transistorised one top speed may be a bit limited by the one amp supply. Could tell you a bit ...

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