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by RAF96
Wed May 02, 2012 5:37 pm
Forum: Baseboard Design and Construction
Topic: madmacks mad capped idea
Replies: 9
Views: 1575

Re: madmacks mad capped idea

The Mosquito and the Vampire jet fuselages were made from balsa cored wooden laminates.
by RAF96
Sat Apr 21, 2012 3:20 pm
Forum: DCC Forum
Topic: Dapol B800 track cleaner - Any good?
Replies: 7
Views: 1603

Re: Dapol B800 track cleaner - Any good?

The vacuum is the best bit IMHO. I found the rotating scrubber can switch the points as it passes over them, ensuring one end of the wagon or the other will derail. The grinding wheel is a last resort, but the fine grade may be useful for sanding rails that have just been painted over. The fluid tan...
by RAF96
Mon Apr 02, 2012 5:51 pm
Forum: Scenery
Topic: Best method of disguising baseboard joins.
Replies: 8
Views: 1695

Re: Best method of disguising baseboard joins.

My layout was designed as 4' x 2' modules in case of a house move. Having used substantialy sized proper tree wood as my board framing I wish I had used plywood instead, as real wood inevitably twists and prevents a square edge interface between modules, whereas plywood is more stable. Despite using...
by RAF96
Mon Feb 13, 2012 9:35 am
Forum: Electronics
Topic: running point motor with both dc and dcc
Replies: 8
Views: 798

Re: running point motor with both dc and dcc

This is how I did it. http://www.rmweb.co.uk/community/index.php?/gallery/image/26693-wiring-point-motors-for-dc-andor-dcc-operation/ I used rotary switches and push buttons for the analogue/manual bit but you can substitute any method - pen and stud, passing contact, sprung toggle, etc. Manual oper...
by RAF96
Wed Feb 01, 2012 4:42 pm
Forum: DCC Forum
Topic: Upgrading from Hornby Select.
Replies: 17
Views: 2071

Re: Upgrading from Hornby Select.

There is also the latest update to the Select firmware - probably have to be done by Hornby - which improves the Select capability and sorts out one or two legacy problems.
Rob
by RAF96
Mon Jan 30, 2012 12:54 pm
Forum: Railway Photographs
Topic: Dereham, Norfolk station...
Replies: 0
Views: 573

Dereham, Norfolk station...

Anyone know where I can locate pictures/plans of (East) Dereham, Norfolk railway station as was before Beeching took the axe to it, when it was far more extensive than it is now under MNR ownership. I've seen some old trackplans in a library book long since returned and Google isn't finding much of ...
by RAF96
Mon Jan 30, 2012 12:28 pm
Forum: Scratch and Kit building
Topic: I Love Metcalfe Stuff - But !!
Replies: 21
Views: 3907

Re: I Love Metcalfe Stuff - But !!

You kits are looking good. FYI my tubes were 125Ml - really good value @-£land, but as you say there can be odd looks at the glue sniffing pensioner buying glue in bulk when going through the checkout. They can be a tad obstructive if you want to buy more than one packet of cold/flue remedies in one...
by RAF96
Tue Jan 24, 2012 9:01 am
Forum: Electronics
Topic: Mixing point motors makes
Replies: 18
Views: 1552

Re: Mixing point motors makes

I stand corrected on the voltage/current switch above. Slip of the keyboard pen. I bow to your excellent knowledge of the theory of electo-magnetics and as this thread appears to have drifted well off course from the OP I reckon the subject has been adequately covered. I may however try the test cir...
by RAF96
Mon Jan 23, 2012 6:13 pm
Forum: Electronics
Topic: Mixing point motors makes
Replies: 18
Views: 1552

Re: Mixing point motors makes

@baldrickbr
I've just got to try wiring a CDU into a token circuit with a point motor using really, really heavy cable to see if it works.
I really believe the volumetric damping would 'kill' the CDU pulse and the motor wouldn't actuate.
I know about the 'book'.
Rob
by RAF96
Mon Jan 23, 2012 5:15 pm
Forum: Electronics
Topic: Mixing point motors makes
Replies: 18
Views: 1552

Re: Mixing point motors makes

@baldrickbr How best can I better explain what I mean. Imagine a big wire as a big (in volume) water pipe. The capacitor 'squirt' from the CDU 'hose' would fill a small volume pipe and react out the far end with enough push to operate a (hydraulic) point motor, but the same 'squirt' would make littl...
by RAF96
Mon Jan 23, 2012 3:55 pm
Forum: Electronics
Topic: Mixing point motors makes
Replies: 18
Views: 1552

Re: Mixing point motors makes

Hi guys As a (not so) complete electrical numpty can someone please explain this: 1. Assume thin wire is restrictive of voltage thus it has high resistance and requires high current to get from from one end of a wire to the other - and is therefore not advised for points motor operation. 2. Assume t...
by RAF96
Fri Jan 20, 2012 5:32 pm
Forum: Scratch and Kit building
Topic: I Love Metcalfe Stuff - But !!
Replies: 21
Views: 3907

Re: I Love Metcalfe Stuff - But !!

I use UHU for Metcalfing as it can be found for £1 a big tube when I'm in UK, rather than almost €4 the same size in Cyprus where I live. I prefer balsa cement for card models as it doesn't string like UHU, but it does shrink and can distort joints in card if you are a tad over generous with the tub...
by RAF96
Fri Jan 20, 2012 5:10 pm
Forum: Electronics
Topic: Wiring points.
Replies: 11
Views: 1350

Re: Wiring points.

If you fit Peco surface mounted solenoid motors to Hornby points you will have a bit of slack as the Hornby tie bar pin is smaller than the Peco hole. What is an exact adaptive fit is the brass tube supplied with Hornby underfloor solenoinds to fit the extender pin. Just cut off a bit about 5mm long...
by RAF96
Thu Jan 12, 2012 11:23 am
Forum: DCC Forum
Topic: Accessory Decoders
Replies: 9
Views: 1864

Re: Accessory Decoders

Here how I run analogue and DCC points switching together... http://www.rmweb.co.uk/community/index.php?/gallery/image/26693-wiring-point-motors-for-dc-andor-dcc-operation/ I use rotary and pushbutton switches but the principle is the same for pen and stud or toggle switches, just parralel in to hav...
by RAF96
Sat Dec 03, 2011 4:17 pm
Forum: Electronics
Topic: SCART Plugs
Replies: 11
Views: 1412

Re: SCART Plugs

If you aren't too confident with soldering up scart plug/socket pin go for a ready made cable (of the correct type/no of pins) and cut it in half, then you can connect the cut wire ends to say a choc block then on to your track boards.
Rob

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