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Re: [Shop-talk] Cotter Usage

To: "'Tom Coradeschi'" <tjcora@icloud.com>, "'Bob Spidell'" <bspidell@comcast.net>
Subject: Re: [Shop-talk] Cotter Usage
From: <alfuller194@gmail.com>
Date: Wed, 18 Nov 2020 09:36:38 -0500
Cc: 'shop-talk' <shop-talk@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <f0da9ea4-2f98-4d3e-d06b-a25b00ac7b13@comcast.net> <3CCD50D9-B196-479A-AF92-C83FB0B28036@icloud.com>
Thread-index: AQK4bEKYXaAZv95O/buh7BmB6l322wJQV64op/gUgDA=
So, you're saying that re-using cotter pins is a moral failing and gets you 
sent to the Group W bench? ð??? 

----------------
All the best,

Al Fuller

-----Original Message-----
From: Shop-talk <shop-talk-bounces@autox.team.net> On Behalf Of Tom Coradeschi
Sent: Tuesday, November 17, 2020 9:54 PM
To: Bob Spidell <bspidell@comcast.net>
Cc: shop-talk <shop-talk@autox.team.net>
Subject: Re: [Shop-talk] Cotter Usage

Iâ??m sitting on the #2 bench (kinda like the group w bench?) and have been 
since the late 70â??s. Never had one fail yet. The only cotters Iâ??ve ever 
seen fail are ones which have been re-used, and thatâ??s just being cheap for 
the sake of being cheap, in my view of things...

â??
Tom Coradeschi
tjcora@icloud.com


> On 17 Nov 2020, at 12:36 PM, Bob Spidell <bspidell@comcast.net> wrote:
> 
> Got some 'quiet time' before I have to go look after my mom, and I thought 
> I'd pose an arcane question to the List:
> 
> What do y'all consider the proper way to use a cotter key/pin? I've watched 
> the pros on TV--Edd China, Ant Anstead, Goblin Garage, Fantomworks, etc. and 
> the 'Chop it/Channel It/Drop a Crate Engine In It/Bag It/Put Huge Dubs and a 
> Gaudy Paint Job On It and Call It a Day' hotrod builders, and they all do it 
> a bit different. Usually, it's 'Type 1'--see terrible hand-drawn 'art' 
> attached (using a stub axle for example)--but I gave it a lot of thought and 
> wondered 'Is that the best way?' Thinking it through, yes, any way you put a 
> cotter in and secure it will do the job; i.e. keep the nut from coming 
> completely undone. However, when safety-wiring--a skill I sorta learned 
> maintaining my own aircraft--you're supposed to always wire so as to pull in 
> the tightening direction, to resist any turning at all of the nut/bolt. So, 
> when applicable--e.g. on castellated nuts--I torque until the cotter will 
> just fit in the hole (drawing# 2), situated 'sideways'--where you can't see 
> the eye of the cotter from the side--snug against the side of the nut's slot 
> so as to resist the nut turning at all. Then, I bend the upper half of the 
> cotter back over the nut/spindle, and snip the lower half at the edge of the 
> nut, figuring anything longer than that isn't doing anything (plus it just 
> looks neater IMO, and may be easier to remove if necessary).
> 
> FWIW, my late father, who was an auto shop teacher and had a few psychology 
> classes under his belt said I was 'stuck at the anal retentive stage' of 
> child development; I (think) he was kidding.
> 
> Bob
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