<VV> Need a part

[Grant]

I didn't expect so much interest, but the part I need 3-D printed is the plastic choke tripper on 62-69 primary HV carbs. It just needs to be able to survive the engine compartment ambient temperature and be half way accurate in terms of fitting as the originals are pretty sloppy to begin with. The ones I am buying have become too expensive and I am having some breakage in shipment, so the quality has declined somewhat. Thanks for all the input. 
Grant
-----Original Message-----
From: <virtualvairs at corvair.org>
Sent: Aug 1, 2023 12:00 PM
To: <virtualvairs at corvair.org>
Subject: VirtualVairs Digest, Vol 223, Issue 2

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Today's Topics:

1. Re: VirtualVairs Digest, Vol 222, Issue 15 (mark at noakes.com)


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Message: 1
Date: Mon, 31 Jul 2023 22:47:39 -0400
From: "mark at noakes.com"
To: virtualvairs at corvair.org
Subject: Re: VirtualVairs Digest, Vol 222, Issue 15
Message-ID:
Content-Type: text/plain; charset=UTF-8; format=flowed

Agreed with Jim on this. Whether 3D printing the part in plastic works
depends on what it is, where it is, and the heat it is subjected to. I
also generally print PLA but can do ABS. Would have to work on nylon.

Either Jim or I or ?? would need a CAD file or stl file to do a test print.

It might be possible to use an actual good part or a 3D printed part to
make a mold and then pour a plastic that will cure up and be strong
enough for the task.

I'm currently working on printing molds for some rubber parts for mid
50s GM Suburbans that are unobtanium otherwise.

Mark N


On 7/31/23 1:51 PM, Jim Simpson via VirtualVairs wrote:
> Re/ Need a part reproduced
>
> I do have a 3D printer, but the plastics I use (mostly PLA) are relatively
> low melting point. Typically 130 C (266 F), but shouldn't be exposed to
> much over 100 C (212 F). This is pretty much the standard for home 3D
> printers.
>
> You need to find someone who can print nylon or ABS. There are some higher
> end, home, 3D printers that can do it.
>
> Do you have a design for the part?
>
> Jim Simpson
> Group Corvair
>



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