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just to clarify I dont spend all my time on this forum so I frequently miss some of your suggestions .may be if it is not to much trouble if you want us to look at something a phone call might be a good idea.whist your recommendations might not be implemented immediately we will look at the .
Moving on from the brake van, I bought a couple of new lamps. Etches are on their way to mount them to the loco and the van, giving them both a nice touch for low light conditions. The Telford now has the 10.5mm cylinders so we shall see how she performs. Apparently the improvement is not great, but if its a slightly more economical run with a better reserve of power then its not all bad.
After watching what your Telford can do on a flat and level track I decided to see what mine can do on my garden layout with its tight curves and gradient. I assembled a test train consisting of two Accucraft I.o.M 4 wheel coaches weighing 1kg each (as both have large lumps of lead underneath for ballast), two Accucraft L&B goods wagons weighing 0.4kg each,and an Accucraft open wagon filled with fragments of slate, weighing 0.7kg. A total load of 3.5kg
Just for a comparison I firstly used my radio controlled Bertie. It managed the whole train with ease, both on the flat and the gradient. It even managed a "hill start" by halting it half way up the slope, and the setting off again.
I then tried it with my Brunel, which managed to pull both coaches and the open slate wagon, 2.7kg in all. As it's a single cylinder and so not self starting, clearly couldn't manage the hill start. In fact, when I halted it on the gradient it promptly ran back a bit, which caused the slip eccentric to go into reverse.
I then tried the radio controlled Telford. On the flat the Telford could pull the two coaches plus its tender weighing 0.6kg (it contains the radio control receiver and batteries), a total of 2.6kg. Much the same as the Brunel. However, when it came to the gradient the Telford stalled and just didn't have the reserve of power to get up the slope. The best it could pull up the slope was the 0.7kg slate wagon together with its 0.6kg tender, a total of 1.3kg. As for a hill start, it could only manage itself and its tender.
I wasn't surprised at all as the Telford's (10.5mm) cylinders are just too small to provide the reserve of power to pull a heavy load up a slope. Its a bit like trying to tow a boat with Nissan Micra: manageable on the flat but stalls at the first hill it comes to, as I know to my cost.
Conclusion: don't ask the Telford to do more than its designed for.
Sort of. I got it from Dream Steam who's standard 40psi safety valve has the wrong thread for a Mamod. I just changed the thread from 40 t.p.i. to 26 t.p.i. (i.e. 1/4" BSF).
With the safety valve cover in place there's a bit of a gap at the top but because the safety valve has a hexagonal base the cover still fits quite snugly.
While I was about it I also turned down and rethreaded (to 26 t.p.i.) a spare Accucraft pressure gauge I had in my spares box. I've now moved the Dream Steam safety valve to the Brunel and put the Accucraft one on the Telford using the same safety valve cover as before.
A very good article by Tag Gorton on the Telford in the June edition of Garden rail
Good to hear, but rather bad timing.
I've been patiently waiting for this article, having had a hand in one of his makeover items. Unfortunately a friend's Exact Editions Garden Rail subscription has just expired, and I cannot get the replacement Pocket Mags format to work properly in various browser options. A trip to WH Smiths is required - anyone know the On Sale date as it does not appear on their website!
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