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Many thanks for that reply,it would appear that my version is the correct one or is it? If l were to reposition the return crank to the fore of the axle it shorten the eccentric rod and reverse the the lever or alter the position of the reversing rod from above the lever fulcrum to below it in...

I forgot to mention l was viewing the loco from the left hand so l am talking about instead of read aft and of course for left fwd , sorry about that but l did say l was confused. Regards exairman

I have now reached the point where l am able to run the Darj B class l am building. After various tribulations with the boiler(more of that later) the engine ran but was a very jerky and not continous in reverse. So back to the books, on reading l discovered that the return cranks on an outside...

Well fellows you have certainly given me plenty of ideas of how to go about solving the problem. I suppose the most sensible one is the regrinding after all the chuck is pretty useless as is. My problem there is l don,t have tool post grinder, and have never used one, still could try Chronos...

This is a thought but ifyou were to do this would ot the jaws now have a radius on their tip? Also when you were to close the jaws their sides would meet before the tips touched and you would be left with the problem of not being able to hold small work. However, if it wre possible to have the...

Sorry about that folks the firm with the new Myford 3jaw chucks is Chronos, it,s less than a £100 including internal and external jaws. Be interested to know if they have serial numbers on them!

Given a price like that a new chuck would seem a more viable proposition. Comos do a Myford compatible chuck for a lot less than £300 food for that yes?

My Burnerd 3 jaw griptru chuck no longer does, grip true that is. The jaws appear to be bellmouthed and the first 6mm of small diameter bar is not held making it impossible to machine accurately. This is probably due to years of use and misuse. I was wondering if it is possible to have the jaws...

Hi sorry to be a pain but l am having troubles find my way around this forum. I did try and send some pics but they must have gone into hyper space or some thing so l shall try again. When the valve is cracked open the flame evenly displaced but as the valve is gradually fully opened the flame...

Hi Tony many thanks for your kind assistance l have tried to send you some pics but l suspect they won,t go. Got the wife a tablet for Christmas and l am using that as the regular is not talking to me anymore. I have real idea how down load the photos and l have found the forum rather...

Hi I am building a Darj & Him class B the boiler is 42mm od by 200mm long and has flue tube 18mm od it is more or less a copy of Keith Bucklitch,s design with the raised fire box. I bought gas burner from Roundhouse but on testing it in the boiler the flame shot through to the smoke box...