Half-breeder
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Past few, free, days that I had, in my down time, I refurbished a Comet 20 that a customer had given to me due to its condition and wanted to downgrade to a CClutch due to the kart being a dead axle and the engine he had... from an older/different kart, housed the ole rusted out TC.
Both driver and driven, were rusted badly on the sheaves, to where there were DEEP gouging rust pits, but the brunt of the rust was on the driven. The driver was kinda bad... but sanding it down removed the majority of the damage.
After taking everything apart, I glass blasted the majority of the rust off of everything. After rinsing everything off I mounted each sheave to lathe. First I used 40 grit to remove the peak of the damage, then 80 grit. I used 'Steel weld' 2 part epoxy to fill the pits, smoothed on w/ a tongue depressor and final sanded everything down w/ 400 grit sandpaper. I used a 2x4 block to create/find/make the leveled bevel. Other than coloration... there is no physical difference in feel/texture/levelness. Im pretty sure I removed a certain portion of the surface of the sheave, but being a "Comet" and being made of a better metal alloy than "knock-off" TC's, I didnt think the amount that I removed (1/4 of total thickness) to be of any dire consequence to how the TC will perform/function.
The mechanics (springs/weights/rings/slides) of the TC were preserved well enough that I judged them to withstand being run... so the rest was just cleaning lubing and reassembly.
Both driver and driven, were rusted badly on the sheaves, to where there were DEEP gouging rust pits, but the brunt of the rust was on the driven. The driver was kinda bad... but sanding it down removed the majority of the damage.
After taking everything apart, I glass blasted the majority of the rust off of everything. After rinsing everything off I mounted each sheave to lathe. First I used 40 grit to remove the peak of the damage, then 80 grit. I used 'Steel weld' 2 part epoxy to fill the pits, smoothed on w/ a tongue depressor and final sanded everything down w/ 400 grit sandpaper. I used a 2x4 block to create/find/make the leveled bevel. Other than coloration... there is no physical difference in feel/texture/levelness. Im pretty sure I removed a certain portion of the surface of the sheave, but being a "Comet" and being made of a better metal alloy than "knock-off" TC's, I didnt think the amount that I removed (1/4 of total thickness) to be of any dire consequence to how the TC will perform/function.
The mechanics (springs/weights/rings/slides) of the TC were preserved well enough that I judged them to withstand being run... so the rest was just cleaning lubing and reassembly.
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