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| engine No 13 |
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| Brass_Machine:
Nice work there Bob! :thumbup: Eric |
| krv3000:
HI all not dun a lot as its getting too cold to work in me workshop I have started to mack the slides for the Cross slide i need 4 of them they need to be 6mm x 6mm as per i do not have any and the price of a length was to much for me so i chopped a Peace of brass of a block of brass that i have witch is 40mm x 70mm then i made up a holding plate out of a lump of aluminum witch is 100mm x 80 x 30 marked of the middle drilled 12.8 mm then reamed 13 mm and with sum Bering fit and with the vice preset in a length of bar for holding the block in the 3 jaw chuck then i face the block off and drilled a relief in the center of the block then i glued the brass to the block with super glue and direst one side off then removed the hole lot and with a bit of heat from a blow torch the brass fell of let it cool dawn put the block back in to the lathe and re face the block this is to remove the glue and to keep this face true glue the brass back on to the block with the new face facing the block and then machen dawn the brass to 6mm right pics |
| krv3000:
HI all well i have bin working on engine No13 honest will post sum pics i have made sum parts but no pics of them bin made right i made the piston out of cast ion from a brace cylinder put a grove in it for a o ring to be fitted then drilled a 3.9mm hole and pres fitted the piston rod i then made up the valve chest and chest cover a block of brasswas set up in the 4 jaw chuck and squared off then a peace of 3mm brass plate cut out ruff was glued to the block then all mashend up as one then wile still all in one peace was put on to the cylinder for the fixing holes to be drilled once this was dun a bit of heat with the blow torch and separated the top cover from the cheas then marked out the center on the back and front for the gland and road steddy drilled these out then marked out the middle then drilled and cut out the valve pocket and finished off with a file then made up the gland and steddy and silver soldered them to the chest all dun things left to do is drill the cylinder for the valve ports the valve nut and valve coupling for the valve rod and then a good polish |
| krv3000:
HI all just sum pics of the engine so far the rusty lump is out of a brake cylinder which ended up as being the piston |
| doubleboost:
Hi Bob Looking very good Thanks for the pictures John |
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