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QUOTE Just ordered the full replacement chassis kit, motor,gearbox and wheels from Comet models, who do the complete kit for both of these Airfix kits.

I am interested to hear how you get on with this. My worry is that you have to be super careful to get a nice square chassis that sits flat on the rails. I have a worry that I'd end up with something that would always have one corner in the air.

David

 

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QUOTE "Building Loco Chassis the Comet way"

A very useful read, gives hints tips instructions and photos to get the best results.

Thanks for the pointer. I have read it and it scared me a bit, but I think I probably worry too much....

David

 

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This is definitely going to be vicarious* experience for me. It's a scary thing looking at those 2D etched frets knowing you are supposed to make a 3D model out of them. I admire your courage sir; and when you succeed you will deserve to be known as "Sir Wiggy25"

David
*I chose the word carefully and checked the definition here on the free Cambridge online dictionary. My understanding is that it usually used in a less than complimentary way.

 

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Nice looking set of wheels there

David

 

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QUOTE Trying to work out if there's a way of connecting the return crank and valve arm to the crankpin just to test the complete motion without soldering it all up.

A "touch" of Loctite which is designed to stick but which breaks if you try to "shear" the join? ie the objects joined won't pull apart but if you twist them - hey presto they do?

David

 

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QUOTE ***Loctite only goes off in the presence of steel... none there to help it I'm afraid.... its all brass or nickel silver... PLUS its formualted to creep into joints so it can't be stopepd creeping deper in the valve gear which would gum it up anyway.

I was speculating on what might be needed. So Loctite don't do anything suitable. Is there a gap in the market or is it just Ian that needs something like that? I'm not a chemist so I can't help.

Thanks for the extra info Richard. I shall try to remember it, especially as I would one day like to follow in Ian's footsteps and build a chassis for myself, but I think I might choose an inside cylinder 0-6-0 to start with...

David