Hi, from an 'oldtwit'
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By nevenbekriev · Posted
The hairspring is still salvageable. It looks like the bent place is only on the outer coil. But You will need to remove the balance from the cock in order to evaluate the spring condition. The hairspring itself is not replaceable, it is replaced together with the balance wheel as assembly. -
There are two Rolls Royce sites - one in the town and one just outside. The "B" in engine names such as RB211 stands for Barnoldswick. The town grew up as a mill town. The old cotton mill RR are in was bought by Rover in the late 30s to develop jet engines early in the war with Frank Whittle, and was sold to RR about 1943. It was discreet and out of the way, and as it was always cloudy and p1ssing down, not easy to find and bomb! I know they used to develop fan and turbine blades, and I remember the noise from when they tested engines. I guess partly because of their influence, I graduated in aero engineering, and worked in the aerospace industry my whole life, but never worked for RR.
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Before anything else, how freely does the balance oscillate without the pallet fork in place? A light puff of air should set it oscillating for 60 seconds. And without the balance or pallet fork installed, does the train spin very freely without abruptly stopping? Ideally the escape wheel should spin and briefly recoil to reverse direction when some wind is applied.
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By Neverenoughwatches · Posted
There is a space for everything...how i manage to pack so much stuff into a room 8x8. -
Welcome to the forum. Is it still the old mainspring and what have you done with it and the barrel.
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