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Elmer’s Beam Engine #24 – Part Three

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Onto the final furlong with Unal Kazak  as he completes

Elmers Beam Engine

 

With the end in sight it is sometimes tempting to hurry things along and therein lies potential problems. But Unal continues with the same care and meticulous attention to detail as the next sequence of photographs show. Small ancillary components can take just as long to produce as the main items and deserve the same careful attention to detail.

Anyway, back to Unal for the concluding part of his interpretation of Elmer’s Beam Engine.

Unal Kazak at home in his well equipped workshop. Unal chose stainless steel bar for the beam marked out with red dye Angles for the beam were carefully set up using a parallel guide on the vice. This is the result before rounding off the four end corners. The rotary table was carefully centred. The beam is centred in a homemade vice. The end holes centred prior to rounding off. Chuck a piece of round brass bar for connecting rod Tapping was completed by hand. Note useful looking vice jaws. Shaping the threaded connector ......... .......before parting off. The channel was machined on the mill before..... .....and rounded off in the lathe. An external thread for the rod was aligned on the lathe. For the crank I drilled the shaft and connecting rod holes first. The sides were then machined with a slight angle. After both sides were cut to the correct depth parting off was done on the lathe. Not entirely happy with the beam I will clean up with emery. A quick check for alignment was then carried out. Two 1mm thick brass plates clamped in the vice for beam and valve linkage. links cut with fine tooth saw in mill. Neat tip. Links secured with double sided tape for drilling. 1.5mm linkage pin held in vice for brazing. A dremel was used to cut the link pins to length. The residue from brazing will clean up easily. The completed link pins. Temporary assembly to check movement. Bronze was chosen for the eccentric hub  and drilled in stages to 10mm. Final pass with 10mm 2 flute cutter for smooth bore finish. Scribe lines and drill corners. Cut round with extra depth to allow for parting off. Parting off on the lathe. Assembled to check for free running and any unwanted play.

 

 


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