Guest Austerity94 Posted August 21, 2010 Share Posted August 21, 2010 Hi folks, I realise this subject has come up before (in terms of repowering Hornby locos with Bachmann chassis) and specifically this class but I cannot find any reference to how it was done. The idea is to use a Bachmann class 20 chassis to repower the Hornby class 21/29. The latter's body will be modified and detailed so as to represent a loco from the initial Pilot Scheme batch. Can anyone suggest the best way to mount this new chassis into the existing body? What I do not want to do is use adhesives, as I want to be able to drop the chassis out for maintenance. [An alternative would be for me to modify the Hornby drive: other than additional pick-ups are there ways of further improving the operation of the loco? It will be DCC fitted when finished.] Again, many thanks for advice on this. Regards, Alex. PS. This is one of the many side projects to distract me from inactivity in the layout design and building front. Link to comment Share on other sites More sharing options...
Pixie Posted August 21, 2010 Share Posted August 21, 2010 Hello Alex, Can't help on the fixings but I think a Bachmann 25 would be a better match for the Hornby 21/29, have a gander at http://www.clag.org.uk/wheelbase.html. HTH Pix Link to comment Share on other sites More sharing options...
Guest Austerity94 Posted August 21, 2010 Share Posted August 21, 2010 Thanks Pix, It looks like I may have to sacrifice one of my 25s instead; I wonder what will then become of that 'spare' 20?! Regards, Alex. Link to comment Share on other sites More sharing options...
Baby Deltic Posted August 21, 2010 Share Posted August 21, 2010 There are several options here. As mentioned, a Bachy 25 chassis is good for an NBL 21/29. Our very own Mr Pete Piszczek is doing a class 29 (D6123) at the moment, based on a Bachmann 25 chassis. Obviously if you want to be really accurate you need to fit 14 spoke wheels. All NBL diesels had spoked wheels. (The class 20 chassis is good for a class 22) I know Ringfield motors can give performance ranging from good to pretty poor, but adding extra weight and more pickups, as also mentioned, can make a vast difference. Another option is to cut the plastic across where the dummy bogie fits, and drop in another Ringfield motor. You can get replacement motor units for about £25. Link to comment Share on other sites More sharing options...
Guest 30-something Posted August 21, 2010 Share Posted August 21, 2010 Hi Alex Im currently doing the very same as per my thread... http://www.rmweb.co.uk/community/index.php/topic/20439-born-again-nbl-type-2/ Currently I have the chassis and bogies done and Im fine tuning the bogie swivel and mounting height just now, I'll be posting photos of the finished chassis very soon Hope this helps Joe Link to comment Share on other sites More sharing options...
Guest Austerity94 Posted August 22, 2010 Share Posted August 22, 2010 Hi again, Thanks for the link, Joe. I'll bookmark it. Hopefully, I'll be picking up an Hornby 21/29 later this week. Now tempted to put lights in it too! Regards, Alex. Link to comment Share on other sites More sharing options...
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