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01-19-2022, 12:09 PM | #21 | |
Senior Member
Join Date: May 2010
Location: Oregon
Posts: 1,289
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Re: 3D Printing an Overdrive Knob
Quote:
I have used pla as an investment with both good and poor results. Visible layers tend to be magnified during the investment process, and the difficulty of getting a fine surface on the down side where there are support layers limits the process. Best results happen with a pure pla, minimum infill, with no fillers or pigments that may be difficult to burn out when firing the ceramic shell. On the up side a pla investment is a lot stronger and tends not to break in oopsies that shatter a wax investment. Overall I have found molding the wax to be more efficient for me at this time. I have also seen where actual wax is 3d printed, though I understand it is difficult due to the wax filament being brittle and a relatively low melt structure. |
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01-19-2022, 01:32 PM | #22 |
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Join Date: May 2010
Location: Central Iowa
Posts: 691
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Re: 3D Printing an Overdrive Knob
Not happening at the hobbyist level, but can/does happen at the industrial level since the equipment to build such parts is incredibly expensive (six figures).
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01-19-2022, 01:34 PM | #23 |
Senior Member
Join Date: Sep 2016
Location: Manitoba, Canada
Posts: 228
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Re: 3D Printing an Overdrive Knob
3D Printing is available as a service in almost every city. That gives you access to the top level equipment without buying it.
Kirk
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01-19-2022, 02:00 PM | #24 |
Senior Member
Join Date: Feb 2021
Location: Perry Mo.
Posts: 484
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Re: 3D Printing an Overdrive Knob
Very nice Job on the OD knob. I'm curious about your choice of transmission. I did a OD conversion to a 51 F1 and to this day it is a flat head V8 freeway flyer. Tim PS. the OD lockout knob always goes on the right side of the wheel in fords.
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01-20-2022, 01:02 AM | #25 |
Senior Member
Join Date: Nov 2018
Location: Edmonton, AB
Posts: 167
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Re: 3D Printing an Overdrive Knob
I put in an R10. I think it came out of a Mercury car. Do you have a picture of an F1 dash with the OD knob in the factory location? I don't think Canadian F1s came with an OD or a six option. The guy I bought the transmission from had one himself in a 1952 F1 and I just copied his location.
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