Search found 645 matches

by billbedford
Sat Jan 19, 2019 11:02 am
Forum: Steam Locomotives
Topic: Any Wheel and size!
Replies: 79
Views: 20651

Re: Any Wheel and size!

MarkS wrote:Ahh, air suspension... ;)


... or magnetic
by billbedford
Fri Jan 18, 2019 6:31 pm
Forum: Steam Locomotives
Topic: Any Wheel and size!
Replies: 79
Views: 20651

Re: Any Wheel and size!

CSBs were invented after someone tried to set up the springs on one of the other Bradwell kits. ;)
by billbedford
Tue Jan 15, 2019 11:39 pm
Forum: Steam Locomotives
Topic: Any Wheel and size!
Replies: 79
Views: 20651

Re: Any Wheel and size!

jon price wrote:Romford type axle holes would enable the use of the semi-mythical Romford P4 axles, ensuring quartering and allowing a prototypical looking variety of axle end caps.


These wheels have keys printed into the bore and the axles have keyways, so they are self quartering.
by billbedford
Tue Jan 15, 2019 10:20 pm
Forum: Steam Locomotives
Topic: Any Wheel and size!
Replies: 79
Views: 20651

Re: Any Wheel and size!

This is all very interesting to read. But in practical terms, how much variation in design is possible? For example, how about flat fronted spokes as per Barclay wheels? One of their 'standard' sizes was 3'5" which is a bit of an oddball but I suppose 3'6" (which is a tyre size that would...
by billbedford
Sun Dec 23, 2018 10:16 am
Forum: Steam Locomotives
Topic: Any Wheel and size!
Replies: 79
Views: 20651

Re: Any Wheel and size!

Yep, Sharman wheels had the centres moulded into the tyre.
by billbedford
Sun Dec 02, 2018 8:46 pm
Forum: Chassis and Suspensions
Topic: CSB Fulcrums
Replies: 11
Views: 4240

Re: CSB Fulcrums

Primary suspensions link the axleboxes to the frames, secondary suspensions link sub-frame, eg bogies, to the main frames.
by billbedford
Sun Dec 02, 2018 11:34 am
Forum: Chassis and Suspensions
Topic: CSB Fulcrums
Replies: 11
Views: 4240

Re: CSB Fulcrums

Using the same method used for adjusting the weights on the drivers, ie by adjusting the lengths of the spring shackles.
by billbedford
Sun Dec 02, 2018 10:59 am
Forum: Chassis and Suspensions
Topic: CSB Fulcrums
Replies: 11
Views: 4240

Re: CSB Fulcrums

It's always amusing to watch people overthinking stuff and making things more complicated than they need to be. Bogies on steam locos had only one freedom of motion relative to the frames and that was rotation about the central pivot. Track unevenness was allowed for by either having sprung axleboxe...
by billbedford
Mon Nov 05, 2018 12:01 pm
Forum: Starting in P4
Topic: Making a Start - The Peak District Midland / Monsal Dale pre 1903
Replies: 1221
Views: 264257

Re: Making a Start - The Peak District Midland / Monsal Dale pre 1903

As far as I understand things the farming in the area by the turn of the 20th century had pretty much fully transferred across to live stock with sheep on the uplands and cattle in the dales. Bakewell was the focus of the farming with the weekly market and the annual show. Milk appears to have been...
by billbedford
Thu Oct 11, 2018 10:17 am
Forum: Track and Turnouts
Topic: Unusual Trackwork
Replies: 17
Views: 5665

Re: Unusual Trackwork

Colin Parks wrote:Does anyone know why the slide bases (chairs?) on the switches in the foreground in Mark's photo of the tandem at Scunthorpe have unequal lengths? Have parts been used which were just what was to hand perhaps?

Colin


Probably just what was left in the lego box when they built this turnout....
by billbedford
Wed Sep 26, 2018 12:11 am
Forum: Starting in P4
Topic: Making a Start - The Peak District Midland / Monsal Dale pre 1903
Replies: 1221
Views: 264257

Re: Making a Start - The Peak District Midland / Monsal Dale pre 1903

Look at the photos in Lacy and Dow again. The "platform" is at the bottom of the upright.
by billbedford
Tue Sep 25, 2018 4:28 pm
Forum: Starting in P4
Topic: Making a Start - The Peak District Midland / Monsal Dale pre 1903
Replies: 1221
Views: 264257

Re: Making a Start - The Peak District Midland / Monsal Dale pre 1903

On the lamps question I fear we are at cross purposes. I fully understand that the carriage side lamps in question had side pockets and that this enabled them to be mounted on a Tee-shaped lamp iron on the vehicle's end. But the Tee-shaped iron in question was mounted on its side, such that the low...
by billbedford
Tue Sep 25, 2018 2:56 pm
Forum: Starting in P4
Topic: Making a Start - The Peak District Midland / Monsal Dale pre 1903
Replies: 1221
Views: 264257

Re: Making a Start - The Peak District Midland / Monsal Dale pre 1903

Thanks for the confirmation, Bill, makes sense to mitigate the risk of setting bedding/hay alight. But why the 'T' shape when an 'L' shape would have sufficed? Because the Midland carriage side lamps had their support pockets on the sides rather than the backs. Why side lamps? These date back to th...
by billbedford
Tue Sep 25, 2018 2:34 pm
Forum: Starting in P4
Topic: Making a Start - The Peak District Midland / Monsal Dale pre 1903
Replies: 1221
Views: 264257

Re: Making a Start - The Peak District Midland / Monsal Dale pre 1903

The first three passenger services of the day on the Branch (Down-Up-Down) were covered by the same diagram, which was designated as a 1P duty to be covered by a Highbridge engine. Regular performers were bogie tanks from the 1833 and 2228 classes, respectively with tank capacities of 1150 and 1270...
by billbedford
Tue Sep 25, 2018 10:12 am
Forum: Starting in P4
Topic: Making a Start - The Peak District Midland / Monsal Dale pre 1903
Replies: 1221
Views: 264257

Re: Making a Start - The Peak District Midland / Monsal Dale pre 1903

Close examination of the original picture shows a 'T' shaped appendage to the end of the horsebox, as show circled in red on the extract attached.Bakewell train.jpg These were prominent on Midland designs of horsebox and reinforce my conviction that it is a horsebox we can see here. In shape they s...
by billbedford
Sun Sep 16, 2018 9:25 am
Forum: Where to Find?
Topic: Perseverance Coach Etches - question re availability
Replies: 10
Views: 4871

Re: Perseverance Coach Etches - question re availability

Thanks Bill for the information - can I only ask you to pass onto your "informed source" my most sincere and profound encouragement in their project. :D BTW Was your "source" any more specific about exactly which types of GC 50ft coaches were envisioned??!! London Suburbans and ...
by billbedford
Sat Sep 15, 2018 6:58 am
Forum: Where to Find?
Topic: Perseverance Coach Etches - question re availability
Replies: 10
Views: 4871

Re: Perseverance Coach Etches - question re availability

Rumour has it that another manufacturer is planning some 50' GCR coaches.....
by billbedford
Sat Aug 04, 2018 8:45 am
Forum: Coaches and NPCS
Topic: SR 8' Steam Bogie Images
Replies: 6
Views: 2784

Re: SR 8' Steam Bogie Images

Southern bogies had the pull rod from the vacuum cylinder cross shaft attached to the lower end of the levers between the yokes. This meant that the yokes were inclined upwards to clear the axle.

There is a photo of a bogie in A Illustrated History of Southern Coaches by Mike King.
by billbedford
Sat Jul 07, 2018 9:59 am
Forum: Tools and Techniques
Topic: Fret saw blades
Replies: 12
Views: 5145

Re: Fret saw blades

Jeweller bench pegs are tapered on the underside and don't usually have a notch. The idea being that the metal and the wood of the peg is cut at the same time.
by billbedford
Sun Jun 24, 2018 8:43 am
Forum: Steam Locomotives
Topic: Makers Nameplates
Replies: 6
Views: 2804

Re: Makers Nameplates

The back of the bunker had two plates; a water capacity plate, and a LMS ownership plate. The plates applied by outside builders were almost invariably remove at the first heavy repair and replaced by a standard LMS plate.
by billbedford
Thu Jun 07, 2018 8:28 am
Forum: Wagons
Topic: Great Central diagram 1 2 plank livery
Replies: 8
Views: 3753

Re: Great Central diagram 1 2 plank livery

I don't have a full diagram book but some of these are recorded. Photos in order 1/ The name spelt out in full suggests this is an implement wagon, though there seems to be no diagram. 2/ There is no digram for the single plank wagons, but a note on the 16' glass wagon says that these were converted...
by billbedford
Sun Jun 03, 2018 8:51 am
Forum: Product Information
Topic: Ultrascale Updates
Replies: 60
Views: 16774

Re: Ultrascale now closed to new orders

If the moulds are printed then masters are not needed, however the surface on metal prints is not good and the cavities would have to be polished by hand. This is a skilled and fairly laborious operation, and would represent a good proportion of the cost of moulds. My understanding is that Sharman, ...
by billbedford
Sun Jun 03, 2018 8:22 am
Forum: Starting in P4
Topic: Making a Start - The Peak District Midland / Monsal Dale pre 1903
Replies: 1221
Views: 264257

Re: Making a Start - The Peak District Midland / Monsal Dale pre 1903

How do you open out the axel boxes when using BB sprung W irons to allow the waisted bearings to move up and down freely. Assuming the axleboxes are firmly fixed to the w-irons. Use a 1.8 ball cutter in a dremel/micro-motor. Before starting the motor, place the cutter into the slot in the w-iron wi...
by billbedford
Sat Jun 02, 2018 10:33 am
Forum: East Midlands Area Group
Topic: NAG Meeting 24th May 2018
Replies: 21
Views: 6438

Re: NAG Meeting 24th May 2018

You could also use a hot air paint stripper to unsolder, and solder for that matter.
by billbedford
Sat Jun 02, 2018 10:05 am
Forum: Product Information
Topic: Ultrascale Updates
Replies: 60
Views: 16774

Re: Ultrascale now closed to new orders

Someone mentioned 3d printing of wheels earlier. I assumed that this was for the centres and not the tyres. I was vaguely wondering if you could 3d print a master from which a mould could be made? Of course it depends on whether the main expense lies in the production of the master or the mould ......

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