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BOILER DRILLING & TAPPING
| Martin McDonald | 03/08/2009 23:30:54 |
| 4 forum posts | I have almost finished a 2" scale traction engine boiler but wish to add a second water inlet connection along the barrel as well as to drill and tap the boiler top for the cylinder mounting studs. I propose to follow Alec Farmer's recomendations in 'Model Locomotive Boilermaking' for the actual water connection but what is the best way to drill and tap holes in an otherwise finished boiler in such a way as to minimise the ingress of swarf or, indeed, to extract it ? Any comments and recommendations on this would be most welcome. |
| Geoff Theasby | 04/08/2009 04:07:16 |
| 615 forum posts 21 photos | My Dad taught me how to drill a car inlet manifold in situ, in order to fit a vacuum gauge.
Basically, don't let the drill break through more than a minimum amount and grease the tap.
Regards
Geoff Theasby |
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All Forum Topics > Beginners questions > BOILER DRILLING & TAPPING