sparks Posted October 11, 2012 Share Posted October 11, 2012 Hi all, Does anyone have any experience of using Viessmann catenary with Peco (or similar) track? Given that the catenary is designed to be used with European track systems with moulded ballast, does this mean that the contact wire will be too high when used with Peco track? Does the track need to be laid on a few layers or cork or something to lift it up? The photos on this thread imply that this is the case:- http://www.rmweb.co.....php?f=9&t=8438 Thanks Stuart Link to post Share on other sites More sharing options...
Titan Posted October 11, 2012 Share Posted October 11, 2012 I think most European systems are on the high side - I use HObbex H section masts which are also a bit too tall, and even come with spacers to make them even taller! However the masts are completely separate from the bases and are made of plastic so easy to trim down - indeed this alows me to realistically bring the catenary down low to go under bridges, and high over level crossings - masts almost full length for the latter. I was quite suprised that they are so high since they are supposedly designed for HO. Link to post Share on other sites More sharing options...
sparks Posted October 13, 2012 Author Share Posted October 13, 2012 Thanks Titan I think I need to buy a few masts and experiment before I start building... Link to post Share on other sites More sharing options...
dullsteamer Posted October 21, 2012 Share Posted October 21, 2012 Stuart, I've done a similar experiment, this may be some help to you. The photo shows a short length of Peco Code 100 track on Trackrite foam underlay, and some Viesmann No.4110 masts with a No.4143 OHW section. The height from the head of the rail to the contact wire was 67mm, and the height of the track and underlay combined was 8mm. Link to post Share on other sites More sharing options...
buffalo Posted October 21, 2012 Share Posted October 21, 2012 ...The height from the head of the rail to the contact wire was 67mm... That's about right. The Sommerfeldt manual suggests a minimum of 62mm, a normal height of 69mm and a maximum of 73mm for the railhead to wire measurement in H0. Nick Link to post Share on other sites More sharing options...
Titan Posted October 21, 2012 Share Posted October 21, 2012 For information, the comparative wire heights full size in OO (approximately) minimum 4200mm = 55mm, Normal 4800mm = 64mm, Maximum 5800mm = 76mm. In practice model pans will not go down realisticly low and still work well, so it is worth sticking to the values above, which is a pity since it would make wiring under bridges on an existing layout much easier! Link to post Share on other sites More sharing options...
sparks Posted October 22, 2012 Author Share Posted October 22, 2012 Thank all - that's very helpful. A layer of cork it is! Link to post Share on other sites More sharing options...
sparks Posted December 30, 2012 Author Share Posted December 30, 2012 I acquired some Viessmann parts over Christmas and couldn't resist a quick experiment with the Bergs Sydney Suburban stock that I will be using for my project. First up is a Standard motor from the original range:- No problem here, although the pantograph is very over-extended. Next is a Parcel Van from the current range:- This pantograph has a much smaller travel and the wire height is at the maximum reach. So, with the addition of 3mm cork underlay we get this, which I think is workable:- Stuart Link to post Share on other sites More sharing options...
Titan Posted December 30, 2012 Share Posted December 30, 2012 looks promising! Link to post Share on other sites More sharing options...
RMweb Gold Joseph_Pestell Posted December 30, 2012 RMweb Gold Share Posted December 30, 2012 Wouldn't it be better to lower the mast by removing the tombstone? Link to post Share on other sites More sharing options...
dullsteamer Posted December 30, 2012 Share Posted December 30, 2012 The "tombstone" is a two-piece mounting for the mast. Removing either piece would mean there'd be no way of reliably positioning and securing the mast to the baseboard. Sparks, I didn't realise your project involved Sydney single-deckers. Seeing your models makes me feel rather nostalgic. When I first took up as a suburban guard I was at Punchbowl, when that depot's fleet was mainly single-deck sets. Happy days! Link to post Share on other sites More sharing options...
sparks Posted January 2, 2013 Author Share Posted January 2, 2013 looks promising! Indeed! I hope to get started soon. Wouldn't it be better to lower the mast by removing the tombstone? As Dullsteamer says, the bottom section screws to the baseboard while the upper section is attached to the mast and slides in to provide some fine adjustment. Sparks, I didn't realise your project involved Sydney single-deckers. Seeing your models makes me feel rather nostalgic. When I first took up as a suburban guard I was at Punchbowl, when that depot's fleet was mainly single-deck sets. Happy days! I wanted to build something small to get me back into the hobby, so I decided to base it around some stock I already had. I promised myself that I wouldn't buy any more until I had built the layout but then I came across the last few Parcel Vans on the Bergs stand at the Liverpool exhibition. Ahem.... Link to post Share on other sites More sharing options...
sparks Posted July 14, 2013 Author Share Posted July 14, 2013 Layout thread now started here:- http://www.rmweb.co.uk/community/index.php?/topic/73735-riverside/ Link to post Share on other sites More sharing options...
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