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Tomo.T last won the day on February 28

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About Tomo.T

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  1. Further excitement arrived in the form of manifold gaskets from Dobsons (as recommended by Doc.) They are beautiful copies of the originals with a modern graphite /glass fibre filling to replace the dreaded asbestos. They were fitted and manifolds fastened, we will have to wait to see if they have successfully taken up the slight irregularities. The sump had broken out in a rash of blisters during its time in storage, maybe due to the variety of chemicals involved in its restoration. More rubbing down, filler and paint later, the sump is now ready to f
  2. There has been a fair bit of progress behind the scenes in the last month. Mike Lewendon has been keeping the CNC busy and has produced a lovely batch of top covers for the exhaust valves. These are now fitted in their respective pockets, after a bit of a struggle! It remains to sort out some reduced head locking bolts to finish the job. Mike also milled out a top cap for the steering arm ball joint, which is the missing link in the steering 'chain' and should mean functioning steering once fitted. Another milestone. received_491374015524027.mp4
  3. I have one for painting in the winter. Very effective, wouldn't be without it.
  4. Hi Toby, Infra red heaters are the way to go in a paint booth. They heat the objects not the air, so do not circulate dust.
  5. Thanks Dave, I had to source a cap, mine (typically) had a broken tower. I picked up two on eBay, one of which fitted ! Incidentally they clean up best with an application of brown boot polish !
  6. The opportunity was grasped to fit the mighty Simms.( Pics by Shaun.) Regular readers may remember this magneto came with the engine from Australia and was paired up with the lucky find of an impulse coupling or 'clicker'. This clever bit of kit holds the mag still against a spring whilst the engine is turned, then releases it just before ignition is due. The armature then spins round creating a much bigger spark than would otherwise occur, with the feeble efforts of the decrepit old fool on the starting handle. The SR4 X is really a product of the late 20's, b
  7. Thanks guys, I have one already which is much the same, and even has Thornycroft on it, but they are both next generation items and not quite right for a J. Having said that, I will probably use it unless I find a proper one.
  8. The oil pump has been reinstated after a last minute rescue by Mike and Stan. I won't go into details, it is far too distressing. Suffice to say it is back in place and working well. Also fitted up the primer tank for extra bling. The mag platform appears to support only the outer fixing holes, which I find rather odd, but it must have worked ok like that ? Next step is to get the sump and timing cover fitted , which will require some more nuts and bolts, usable originals are running low. Also have been running on vapour financially and need to get some w
  9. Here are some further hi def pics from Stan. The spark plug towers are the originals, except one, which was replaced by Mike Lewendon. The three originals were cleaned up by hand and young Ben Lewendon took on the locking rings and made a good job of them ! Cheers Ben. The exhaust valve caps are beyond repair and Mike is on the case with some replacements. Oil level gauge and breather are back on. Plus Rosso's oil pressure regulator. Looking good Dave ! T.B.C.
  10. Another burst of progress has occured and the engine is looking ever more lovely, as various trinkets have been replaced. I was warned to nip up the inlet and exhaust manifolds with the cylinder base nuts loosened, to insure alignment between the separate blocks . This was done, but no movement was detected and all the bits have cosied up nicely. I need to find some old style gaskets for these which I hope will take up any slight discrepancies. The originals were asbestos, with thin brass foil each side, so I need to find suitable replacements, in more socially acceptable m
  11. Thanks, yes it's really coming together now.👍
  12. It's been a long time coming, but build up day finaly arrived and we had a pile of bits waiting to go. Fitting the pistons was straight forward enough, remembering to stick the base gaskets down first, also the Gudgeon pin retaining clips needed to be poised in position underneath their slots. With Stan on the fork lift the cylinders were gently lowered and the rings individually compressed by hand. There is a substantial lead chamfer, which helped considerably with this. The upper piston of the two was supported on wooden slats to start with and these were removed
  13. I arrived at the workshop to find Mike busy slotting the built up camshaft on his newly acquired CNC mill. The mill was enjoying it's breakfast and quickly produced the required slot. I replaced the gear (and the cam followers,) before refitting the camshaft into the crankcase, being sure to match up the timing marks again. This is an awkward procedure and the two bushes must be aligned to fit the locking screws as well. In the absence of a trained octopus, this took a while, but eventually everything was lined up and locked down. We celebrated with a trial run, wi
  14. No. 4 con rod has arrived back from his holidays and has rejoined the team on the crankshaft. Some problems were encountered settling in parts new and old and Stan took over the job for a bit of engine whispering. Stan discovered various problems, including mis placed shims, which had been individually fitted, but not marked to their original positions. This created a good puzzle, which was further complicated by slightly oversized big end bolts, causing pressure on the bearing cups and shims. Some 'easing' was carried out and one by one the big ends were made to r
  15. The last batch of Miller acetylene lamps was supplied to the War Dept. in 1924, they are easy to identify as the year was embossed into the top vent, along with the WD and arrow. Unlike electric lamps the brightness could be adjusted by Turning up the gas.
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