Member postings for david w

Here is a list of all the postings david w has made in our forums. Click on a thread name to jump to the thread.

Thread: 5" Britannia - Jame Perrier drawings

04/03/2011 22:49:16

hello bill i am also constructing britannia from spinks/perrier drawings my chassis was already started when i aquired it ,i too have been working on the braking system,i have made the cylinder and piston but i have not made the valve you mention yet i have a book on loco construction which shows a brake cylinder with this type of valve attached to top of cylinder to drain water when brake is of ,i think that missing of the drawings is a threaded coupler from cylinder to valve and the end with the seat for the cone must connect by pipe to the operating valve,with this valve with ball sat on top of cylinder ,this is how i see it? i posted a querry in beginners questions regarding gaurd iron thickness as it shows on plan 7/32 which to me is miles too thick? i think the plans are lacking in a lot of ways ,i am a newcomer to model engineering live in sheffield and have been to spinks house when he was alive for some castings ,as he lived in chesterfield.hope any of this is any help to you regards david white

Thread: spink 5" britannia drawing mistake?

21/01/2011 21:46:49

please can anyone who has built spink britannia please tell me correct thickness of mild steel for front guard irons as on my drawing it shows as 7/32 thick which to me seems too thick material for these, i am fairly new to model engineering and have aquired this part started chassis, thanks in advance,DAVID

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