Hello Ian, I received the Winson valve gear mods for my Brit. I tried them on the engine but could not notice any difference. The basic problem I had was the abyssmal design of piston valves allowing leakage between the bobbins and the liners also leakages between the liners and cylinder body. I am at a loss to understand why you need the reverser in full reverse gear to get it to go forward. Although I do recall that the thread on the worm drive was R.H. and I changed it to L.H.....but you're not that daft? The best advice I can offer is to build it to the Perrier drawings. The Winson Brit was based on these - they bastardised, sorry, productionised it! Regards, Barrie Purslow Warrington UK ----- Original Message ----- From: "Pendragon" <idpriest@xxxxxxxxxxxxxxxx> To: <modeleng@xxxxxxxxxxxxx> Sent: Saturday, December 04, 2004 10:41 PM Subject: [modeleng] Valve Gear Modifications > Greetings all, > > Saga of the Winsons Brit continues. I have just spent about two hours > trying to set the valve gear on only one side of the engine. I can just > about get it managable providing the reverser is in 100% back when I > want to get the loco goinf forwards .....no I haven't got any of the > bits in the wrong place or set in the wrong quadrant...not quite that > daft yet! > > I am aware that Winsons had problems with this valve gear and developed > a modification, has anyone get any details. > > Regards IP > > Priest & Sons Model Engineers > http://www.kinvermes.pwp.blueyonder.co.uk/p1.htm > > > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.805 / Virus Database: 547 - Release Date: 03/12/2004 > > > MODEL ENGINEERING DISCUSSION LIST. > > To UNSUBSCRIBE from this list, send a blank email to, > modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line. MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.