Search found 627 matches

by David Thorpe
Sat Sep 03, 2011 7:21 am
Forum: Chassis and Suspensions
Topic: Rust on wheels
Replies: 5
Views: 2400

Rust on wheels

Does anyone know of an effective way of dealing with rust patches that appear on steel-tyred Gibson driving wheels? I can remove most of it with the ubiquitous fibreglass pen, but suspect that that is not curing the problem, merely postponing it.

DT
by David Thorpe
Sun Jul 17, 2011 10:52 am
Forum: Electrics
Topic: Power supply
Replies: 34
Views: 12486

Re: Power supply

I don't know if it's relevant, but from the Pictroller (handheld) instructions:
"If a high current (>750mA) is detected, the output is turned off and the overload LED lights."

DT
by David Thorpe
Sun Jul 17, 2011 8:47 am
Forum: Electrics
Topic: Power supply
Replies: 34
Views: 12486

Re: Power supply

I didn't see any mention of amps on the instructions for the handheld unit, only for the more complex panel mounted unit. It may therefore also be worthwhile checking with Malcolm about the ampage requirement for the handheld just in case that's different. He might also be able to recommend a suitab...
by David Thorpe
Sat Jul 16, 2011 4:09 pm
Forum: Electrics
Topic: Power supply
Replies: 34
Views: 12486

Re: Power supply

The Pictroller instructions suggest a 14-18v AC requirement. Gaugemaster do a number of relatively inexpensive open construction transformers and if you really need as much as 1.5 amps, their T2 Model will give you 1 x 18v AC output at up to 2.5 amps for less than £20. Gaugemaster do suggest that th...
by David Thorpe
Fri May 20, 2011 3:50 pm
Forum: Steam Locomotives
Topic: LMS Steam at the end of the LMS era
Replies: 9
Views: 4155

Re: LMS Steam at the end of the LMS era

Beautifully constructed locos - I wouldn't even know where to begin with that valve gear! Not wishing to be picky, especially as I'm still putting off painting any of my locos, but on my monitor at least 6103 looks very grey!

DT
by David Thorpe
Sun May 01, 2011 9:06 am
Forum: Chassis and Suspensions
Topic: CSBs and the Single Bogie
Replies: 28
Views: 13785

Re: CSBs and the Single Bogie

Me too. In spite of the reservations (and perhaps disillusionment) that I've previously expressed about CSBs, I nevertheless went and bought one of Chris Gibbons' jigs at Scalefour North.

DT
by David Thorpe
Tue Apr 26, 2011 10:05 am
Forum: Steam Locomotives
Topic: Small diversion - High Level Mineral 0-4-0
Replies: 53
Views: 15766

Re: Small diversion - High Level Mineral 0-4-0

Ealing wrote:Could this be Patrick Wainwright?

Excellent. Genuine Laugh Out Loud. :lol:

DT
by David Thorpe
Mon Apr 25, 2011 5:36 pm
Forum: Steam Locomotives
Topic: Small diversion - High Level Mineral 0-4-0
Replies: 53
Views: 15766

Re: Small diversion - High Level Mineral 0-4-0

Do we have any other contenders? I'm currently building a High Level Hudswell-Clarke 0-4-0. When I can work out how to get the wheels on properly (I know, silly but true and surprisingly difficult) I'll try adding some weight. As we've just had some roofing work done I've got plently of lead but I'...
by David Thorpe
Wed Mar 30, 2011 12:47 pm
Forum: Tim V
Topic: Tim V's workbench
Replies: 377
Views: 110530

Re: Tim V's workbench

Thanks for that, Bryan, very interesting. I looked rather longingly at the tubing you found on ebay, but as you say it is 3.3mm OD, ie 0.13 inches, fractionally but crucially bigger than the 0.125 inches required for most 4mm axles. Not having a lathe, I do not think that i could reduce its diameter...
by David Thorpe
Mon Mar 21, 2011 12:27 pm
Forum: Guest Book
Topic: Nylon bushes and narrow hornblocks
Replies: 4
Views: 3473

Re: Nylon bushes and narrow hornblocks

That's good news - and what's called responding to demand! I'll be in the queue on the Saturday morning.....

DT
by David Thorpe
Sun Mar 20, 2011 8:16 am
Forum: Tim V
Topic: Tim V's workbench
Replies: 377
Views: 110530

Re: Tim V's workbench

I note that High Level's Slimliner gearbox is 6.3mm wide at the point of the driven axle. Given that the centre section of the Society's split axles are 10mm wide, this may be the answer. I think I shall acquire one at S4North and give it a shot.

DT
by David Thorpe
Tue Mar 08, 2011 6:47 pm
Forum: Tim V
Topic: Tim V's workbench
Replies: 377
Views: 110530

Re: Tim V's workbench

Thanks, Gordon. I've in fact got some of these, but haven't used then on my latest loco. The centre section of the S4 Stores axle is 10.00mm wide. The High level gearbox I am using is 9.75mm wide. I can't, I'm afraid, guarantee the necessary precision to ensure that the live section of the axle will...
by David Thorpe
Tue Mar 08, 2011 3:21 pm
Forum: Tim V
Topic: Tim V's workbench
Replies: 377
Views: 110530

Re: Tim V's workbench

Yes, shown further up the page. Sorry, missed that - I was away and when i came back i must have overlooked it. I'd love to use split axles, but am put off by the unavailability of suitable axles for people who for whatever reason are unable to make their own. I know that Branchlines do them, and t...
by David Thorpe
Mon Mar 07, 2011 8:17 pm
Forum: Tim V
Topic: Tim V's workbench
Replies: 377
Views: 110530

Re: Tim V's workbench

Am I right in thinking that you make your own split axles?

DT
by David Thorpe
Sun Feb 13, 2011 3:56 pm
Forum: Chassis and Suspensions
Topic: Loco Suspension, fitting CSBs
Replies: 152
Views: 81982

Re: Loco Suspension, fitting CSBs

Given that this sort of technical discussion is enjoyed by some of us, but other find it very off putting, I'm wondering if we could split the thread down into the blow by blow posts, plus all the directly related posts, and a second "CSB Clinic" thread which could carry all the technical...
by David Thorpe
Wed Feb 09, 2011 7:54 am
Forum: Chassis and Suspensions
Topic: Loco Suspension, fitting CSBs
Replies: 152
Views: 81982

Re: Loco Suspension, fitting CSBs

I'm sorry, I really didn't mean to make CSBs sound complex to apply. You haven't. Throughout this thread you've given an excellent practical illustration of the application of CSBs. I think you've succeeded admirably with your "blow by blow" account. Unfortunately (at least from my point ...
by David Thorpe
Tue Feb 08, 2011 3:41 pm
Forum: Chassis and Suspensions
Topic: Suspension design for a 2-4-0, CSB?
Replies: 34
Views: 14028

Re: Loco Suspension, fitting CSBs

When I first heard about CSBs, I thought that the idea sounded great and that it was the obvious way to go with my next chassis. I have to say, however, that I find the mathematical complexities utterly off-putting and totally beyond me - it seems to me that if a system that I first perceived as rel...
by David Thorpe
Sat Jan 29, 2011 7:31 pm
Forum: Flymo748
Topic: Beer and Buckjumpers
Replies: 474
Views: 136833

Re: Beer and Buckjumpers

Flymo748 wrote:Perhaps with some further research... I wonder if it ever had a brewery ;-)

Of course it did - two, in fact. Adams Brewery and G.E Cook & Sons. Both, sadly, now closed, so research at once loses some of its appeal. :(

DT
by David Thorpe
Fri Jan 28, 2011 11:36 am
Forum: Chassis and Suspensions
Topic: Loco Suspension, fitting CSBs
Replies: 152
Views: 81982

Re: Wheels for the J10

The wheels are from Alan Gibson, and I was a little surprised to discover that they no longer come with the crankpin hole moulded in. I'm a bit surprised at that - did you get the wheels recently? I got some wheels from AG three weeks ago and certainly they came with a moulded hole for the crankpin...
by David Thorpe
Tue Jan 25, 2011 10:09 am
Forum: Steam Locomotives
Topic: request for gauge/scale information
Replies: 7
Views: 2227

Re: request for gauge/scale information

I will retire hopefully gracefully until tomorrow, No need, surely - Keith's come up with the right answer, hasn't he? 3ft 6ins is 1066.8mm. The track gauge of the model is 21.5mm. Divide 1066.8 by 21.5 and you come up with 49.6 which is, of course, as near as dammit 1:50. http://en.wikipedia.org/w...
by David Thorpe
Mon Jan 24, 2011 11:30 pm
Forum: Flymo748
Topic: Beer and Buckjumpers
Replies: 474
Views: 136833

Re: Beer and Buckjumpers

Hi Chris, All being well, your 1220 should do what you suggest. I already had a 1224 when i started the kit and, as one does, I was determined to use it if possible. There wasn't enough room for it to fit in the way you're going to use your 1220. Since then I've acquired a 1220 for another kit and I...
by David Thorpe
Sun Jan 23, 2011 2:34 pm
Forum: Flymo748
Topic: Beer and Buckjumpers
Replies: 474
Views: 136833

Re: Beer and Buckjumpers

Chris, Have you decided what axle you're going to drive? I've been building an E4, albeit with AG sprung hornblocks, not CSBs. I bought a RoadRunner+ gearbox and a Mashima motor, but pretty quickly found that that combination would not drive the rear axle as the cab got in the way. I therefore tried...
by David Thorpe
Tue Jan 11, 2011 8:03 am
Forum: Painting and Weathering
Topic: Ultrasonic Cleaning
Replies: 29
Views: 14197

Re: Ultrasonic Cleaning

I note that Aldi will be selling ultrasonic cleaners as one of their weekly specials (when they're gone, they're gone) as from this Thursday, 13th January. £19.99 - http://www.aldi.co.uk/uk/html/offers/sp ... _17130.htm.

DT
by David Thorpe
Mon Jan 03, 2011 9:47 am
Forum: Flymo748
Topic: Beer and Buckjumpers
Replies: 474
Views: 136833

Re: Beer and Buckjumpers

If anyone is considering a decent spare soldering station, or wants a soldering station wiothout having to pay Antex prices, then I'd recommend the Aoyue 937 range. They do seem to have gone up in price recently, but should be available for about £40. Tips can be changed without any fuss in less tha...
by David Thorpe
Wed Dec 29, 2010 4:51 pm
Forum: Flymo748
Topic: Beer and Buckjumpers
Replies: 474
Views: 136833

Re: Beer and Buckjumpers - a couple of glitches

They are 13.8 mm apart, across the inner faces. That's using the 18.83 spacers supplied in the kit. Well, if you've got it wrong, so have I. I've built a Gibson J15 and the frames are 13.75 mm apart across the inner faces, 15.00 over the frames. I'm also building a Gibson E4, on the other hand, and...

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