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In this Discussion
- barrysweet52 August 2011
- Geoff C., N.Z. August 2011
- Huddy42 August 2011
Clutch plate thickness.
-
Can anyone (calling DR Doug) tell me the thickness overall of clutch plate for a 1924 Hudson.
Thanks in advance.
Les. P. -
Les, you must not exceed .2100" overall thickness rothe clutch will not disengage. There 312 corks on these beasts, and the protrusion is only 1/32" either side of the plate, so a lot of cork goes to waste!
GeoffIf you're stuck in a hole, stop digging. -
Thanks Geoff,
Gee Hudson mucked around with the thickness on different models makes one wonder why.
Les. -
Les, all the multi-plates on Hudson Super Sixes and Essex Four and Sixes had the 1/32" clearance either side, and once they changed over to single plate system they were all 1/16" clearance. Of course as you know, the corks have to be compressed under heat down to that thickness to be long lasting. I had two weeks over your way last month, but was helping Stephen build a room on his house, so it was a working holiday and didn't have time to check you out. Hope things going okay with you. Best wishes,
GeoffIf you're stuck in a hole, stop digging. -
Geoff, can you provide more info on how the corks are compressed under heat? Thanks, Barry
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Geoff,
As you know, we here in Sydney have done for many years used the discs as they use in the automatic transmissions, they have worked 99.9% with only one complaint, I have had one in the '42 for 22 years and still going strong.
Les. -
Barry, the corks are trimmed off to 1/16" thicker than the required finish thickness and clamped together between two flat surfaces, and heated to around 100C and the clamp tightened until the thickness is as required - 1/32 for multi and 1/16" for single plate. I use a diss-assembled pressure plate and flywheel for this purpose for the single plates, and have borrowed a clamp made of circular saw blades ( real heavy sawmill type) for the multi plates. I made up a 2"angle-iron top and bottom for the clamp with a threaded rod through the centre.barrysweet52 wrote:Geoff, can you provide more info on how the corks are compressed under heat? Thanks, Barry
GeoffIf you're stuck in a hole, stop digging.
