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Trying to Quieten the 110KVA Generator |
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tom osselton:
You could try one of these off of Amazon I’ve been looking at them for a while. ( thinking canvas) https://www.amazon.ca/YaeMarine-Cobbler-Repair-Machine-Mending/dp/B07NC3F3M6/ref=sr_1_9?crid=MAHNLMGR4CIS&dchild=1&keywords=hand+crank+sewing+machine&qid=1602891750&sprefix=Hand+crank+sew%2Caps%2C199&sr=8-9 |
awemawson:
A burst of intense sheet metal bashing this morning produced a radiator cowl to be fixed to the the west wall of the stable when I've cut a suitable hole. When it is in situ and therefore somewhat more rigid I will add either some louvers or a mesh to stop wild life entering. I've spot welded pre-drilled flanges on with the upper one 1-1/2" displaced from the lower one to make the horizontal surfaces of the cowl actually slope outwards to shed rain. Next job - mark out and cut a darn great hole in the stable wall :bugeye: |
awemawson:
Measuring up the wall to cut a hole for the cowl showed me that the generator was not quite parallel to the south wall - the radiator end needed to move south two inches, and if it did that the required hole EXACTLY lined up with four of the stable wall planks. So shift the generator - it's only about three tons and the direction of travel is slightly up hill - just do it :scratch: Roller crow bar to the rescue and it's amazing what you can shift single handed with a bit of grunt :clap: So now the potential hole is in a more conveient place cut it out - so I did with my jigsaw. Not only was the hole in the right place but the cowl actually fitted through it, so I set too screwing the flanges in place. . . it was then the I discovered a major cock up - I'd offset the flanges in the wrong direction so the 'horizontal' surfaces slope towards the wall not away from it :bang: :bang: Theoretically it's just a case of 'un-spot-welding' three of the flanges and re-fixing them in the right place, but I was rather enthusiastic welding them and they are rather robust welds. . . I'll cogitate on it for a bit, and maybe experiment undoing spot welds on some scrap - you can get a special drill to remove spot welds, but I don't have one. |
awemawson:
My experiments removing spot welds confirmed that buying the proper drill was sensible so I have some on order. I also in anticipation of removing the wrongly located flanges bent up the replacements Then I started blocking up the slits in the Yorkshire boarded stable by over boarding with 25 x 50 roofing battens, and as it's not practical to get them under the barge board to keep rain out of the upper end grain I've given each of them a little lead rain cap. Obviously I can't complete this until the cowl issue is resolved as the battens interfere with the cowl, but I've managed to do all the rest. |
hermetic:
My preffered spot welding removal tool was the "zipcut". It has a spring loaded hardened centre pin, surrounded by a double ended screw on cutter with some wickedly hard and sharp teeth which cut round the outside of the spot weld, which means you only have a hole in the upper panel, and you can grind the weld off the lower panel, refit it and plug weld them back together. Phil |
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