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The FH equipment got here with the unique twin seat, cowl intact, which I dismantled:
There was some foam, some unique, some changed:
The highest of the seat base was in excellent situation:
Beneath, there may be sufficient house for a sandwich or two and I toyed with making the seat raise up for some time – I even made some hinges to strive it out however contemplating the choices for locking I realised that I used to be on a campaign that may be neat, however would not obtain very a lot. I put the concept away for an additional day.
The seats have been initially retained with Spire clips and screws, fixed from beneath earlier than the oil tank was fitted – you can not get to all of the screws with the oil tank in place. A lot of the holes for these had been broken through the years, some severely.
As you recognize, I am not a cheque ebook restorer and I hate throwing issues away, so I resolved to restore the seat base. Because the Spire clips are usually not obtainable and have been meant to assist fast meeting – no want for a separate operation to suit weld studs, for instance – I made a decision to restore the holes with small plates with weld nuts.
I minimize the holes out with a skinny chopping wheel within the Dremel.
One other pet hate is combined fasteners on bikes – so no metric bolts right here, and no Unified collection both. Whereas it crossed my thoughts to make some correct weld nuts out of sq. bar, I made a decision no-one would ever see them and opted for off the shelf full hex nuts as an alternative, 5/16″ CEI.
I made all of the plates and fitted them to the holes I had minimize, labelling them A-D, earlier than I drilled the holes for the nuts. I fastened one in place with duct tape and tried it on the bike, marking the bolt place from beneath. I drilled the outlet, welded the primary nut in place and tacked the plate to the seat base.
Refitting the seat base to the bike, I repeated the method with the second bolt, then the third and fourth in order that at every step I may be certain the seat was in the precise place and the bolts all fitted.
With all of them performed, I accomplished the welding. The metallic is about 1.0 mm thick (20 SWG or so) and the SIP HG1800 DC TIG machine was set to twenty A. these are usually autogenous butt welds however I used some filler wire in locations.
Not too shabby. There is a bit extra to do on the again – these curved closing plates are holed however extra of that later.
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