. Model making; including workshop practice, design and construction of models, a practical treatise for the amateur and professional . J ^ Fig. 97—Main castings for the twin-cylinder engine lap grinder is available, this job can be done accuratelyand quickly on such a machine. Otherwise, the modelmaker Avill have to resort to filing. After this operation,the cylinder casting can be mounted on the face plateand the upward portion faced off. The casting will now. Fig. 98—The completed crankshaft for the engine, with flywheel, pistonsand eccentric mounted in place have to be taken off
. Model making; including workshop practice, design and construction of models, a practical treatise for the amateur and professional . J ^ Fig. 97—Main castings for the twin-cylinder engine lap grinder is available, this job can be done accuratelyand quickly on such a machine. Otherwise, the modelmaker Avill have to resort to filing. After this operation,the cylinder casting can be mounted on the face plateand the upward portion faced off. The casting will now. Fig. 98—The completed crankshaft for the engine, with flywheel, pistonsand eccentric mounted in place have to be taken off the face plate so that the centerlines can be scribed off for the centers of the cylinderbore. This is best done by*filling in the cored hole withcardboard and marking the centers with a lead casting must now be mounted on the face plate againand the center marks on the cardboard lined up with the 142 Model Engineering back center of the lathe. When this is done, the card-board filling can be taken ont and the boring of the cylin-ders started. After finishing this, proceed in the sameway to bore the other cylinder, after which both shonldbe lapped out perfectly smooth. This is very essential
Size: 2089px × 1196px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidmodelmakingi, bookyear1919
