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Hi Nicely done, I fully agree with you for holding small parts, can be very difficult sometimes. Finding small lost parts in swarfs too! Zephyrin

Hi, The caliper is based on a principle so simple, smart and clever that in using it, a little bit of that intelligence falls on me. Just like looking at a masterpieces, with a digital caliper, I dont feel in a similar situation, i'm simply using a tool. Zephyrin

Hi, this kind of embossed sheet is very difficult to roll properly, you need bending rolls. Cheers Zephyrin

Hi Maybe I did not have the cutter in deep enough? Anyhow, they spin against each other very well and don't bind so I am going ahead and using them on the engine. I would have said the opposite if the distance between the wheels is as expected! A nice work you are doing. I hope to start soon...

Hi Pat J : I'm very happy that you have found something useful in my xlsheet, however I must underline that the pressure diagram rests only on an adiabatic reversible expansion of steam, easy to calculate on a sheet, but far from reality, and going further would be too harsh for my gray cells...

hi, very nice spreadsheet, thanks to share. The valve travel is indeed the correct way to set the steam distribution, and particularly its symetry (or lack of for short rods). the Zeuner or Reuleaux diagrams are approximate, and does not take into account rod angularities. I did a similar...

hi, since there is no sulphate in the solution it is copper citrate, hardly soluble in water, and blue like other copper salts. Yes, you are dissolving some metal with the acid pickle bath. Zephyrin

Hi, I generally use tweezers but for the odd cases I make my own flat spanners with a piece of hacksaw blade or a flat worn needle file with my dremel and a cutoff disc. If the fit on the nut is on the tight side, it will not fall during the crucial first turn. I also make small nut runners by...

hi, I did that with my rotary table on my X2 mill. It was for "turning " on my X2 a large bronze flywheel a little bit too large for my lathe! It worked a treat using recycled stuff only: a small motor with a reducing gear and a variable speed output, then a plastic belt simply turning the...

Hi Tony, a pretty little loco and a very nice built that you are describing now. I agree that having removable wheels is a must but a hole through the wheel tyre! May I suggest a longer set screw that comes right to the surface and mask somewhat this hole. I use sometimes a cylindrical nut to...

Hi I did a very similar boiler some months ago, but smaller, for three Gauge 0 craker locos you can see there. http://www.homemodelenginemachinist.com/index.php?action=dlattach;topic=13644.0;attach=17946;image The boiler has no smokebox, just a copper elbow at the end of the flue tube, leading...

Hi great job with this T&C grinder. I'm gathering stuff to make one. How come the slots of the table are square ended, it is not that useful but look super! Zephyrin

hi Tony "locomotives with inside frames with outside false cylinders and valve gear" false cylinders, do you mean non working cylinders? Never! Well, in "model engineering" I'm mostly interested in the engineering part and not that much in the model side of our hobby. I have several unfinished...

Hi Tony Shellac chuck! I have some shellac left over from an attempt at changing by myself the pads of my clarinet keys, what a mess I did. Not so easy to master, I'm quite impressed by your skill with this stuff. I sometime use an hot melt glue gun as a third hand to settle pieces in the vice...

hi, rust is a real concern with these engines, since a lot of moisture is produced, the final products of combustion are mainly carbone dioxide and water, no way out. at the start, it is easy to see water droplets condensing in the cold cylinder. However, I have built three vacuum engine with...

Hi Tony, Yes, the Dickins loco is a nice design isn't it, and very fun to make and even more to drive, as being absolutely uncontrolable. Dickins was designed for 32mm track by Dr. J. R. Senft, and serialized in Live Steam Magazine in February-March-April 1976. A redrawn plan and a kit are also...

Hi Tony “There real isn't any continuation.” Anyway, I find this ASM a clever solution and I will most likely try an ASM-like someday, although I am currently engaged in another project, I built last year three "cracker-like" Gauge 0 locos and 2 "Dickins" that work very well (not yet...

Hi, So smart! How to make new models with a simple oscillating engine, please go further with your lesson. Zephyrin

Hi, Nice work with your cracker! I have just finished three of them, and after unsuccessful attempts to drill holes under 0.2 mm for the burner's jet, I finally choose to install a burner saved from those cheap lighter-style small butane torch with success. Although it takes ages to get the...

Hi Chizz I understand you are happy with your 10/10! yet maybe a little wobble in a flywheel... ;) I'm pretty jealous in fact. you finally removed the cooling fins that are visible on another thread, is what that did a decisive effect on the running? Zephyrin