[AT] OT: Cast iron work on a replica cannon

[Stephen Offiler]

Never knew oil drail plugs were 15mm - learn something new every day!

SO

On Fri, May 3, 2019 at 1:53 PM Spencer Yost <spencer at rdfarms.com> wrote:

> I was thinking of metric oil pan drain plug repair kits which are 15mm.
> As you mention it is not standard size so the bolt would have to be
> special/internet ordered I suspect
>
> Spencer Yost
>
> On May 3, 2019, at 10:43 AM, Stephen Offiler <soffiler at gmail.com> wrote:
>
> I live and work in both worlds, and I have no problems with metric other
> than the need to have two whole sets of wrenches and sockets, but that was
> also true 40+ years ago when I started collecting, so I'm good.  I'm not a
> big fan of the idea to convert the whole USA to metric.  While that was
> tried and failed back in the '80's, it still rears its ugly head now and
> again.
>
> Anyway, back to the cannon and Spencer's comment.  Before I responded to
> Steve Allen the first time, I checked metric.  Standard sizes at 14mm and
> 16mm.  Coarse is M14 x 2.  Major diameter is 0.551" which is slightly
> smaller than the 9/16-12 he was considering.  M14x2 tap drill is 12mm which
> is 0.472" which is too small to be much good if trying to clean up a
> stripped 1/2-13.  So we move to the 16mm.  Here, the trouble is that 16mm
> is 0.630" which is just a hair above 5/8" and Mr Allen already stated that
> he could not go as far as 5/8" due to something interfering (or whatever it
> was, I forget).
>
> SO
>
>
> On Fri, May 3, 2019 at 10:26 AM Al Jones <farmallsupera1 at gmail.com> wrote:
>
>> Metric is the work of the devil...…..
>>
>> Helicoils are wonderful.  Very easy to do and they WORK!
>>
>> My white demonstrator Super A that I have been tinkering off and on
>> forever had four badly stripped holes in the torque tube.  Somebody had
>> tapped the 5/8" holes out about 7/8 or so and it was BAD.  There wasn't any
>> threaded inserts that I could find that would be direct replacements.  A
>> machine shop friend of mine was nice enough to make a set of inserts, kind
>> of like the KeenSerts, and install in the torque tube.  Once it's painted I
>> don't think you'll be able to tell that anything ever happened to it!
>>
>> Al
>>
>> On Fri, May 3, 2019 at 3:19 AM Steve W. <swilliams268 at frontier.com>
>> wrote:
>>
>>> Spencer Yost wrote:
>>> > Helicoil as others suggested.   Metric bolts give you more options
>>> > diameter wise, but a metric bolt on an antique canon would probably
>>> > cause the universe to implode. (-;
>>> >
>>> > Sent from my iPhone
>>> >
>>> >
>>> >
>>> > Spencer Yost
>>> > On May 1, 2019, at 12:00 PM, Stephen Offiler <soffiler at gmail.com
>>> > <mailto:soffiler at gmail.com>> wrote:
>>> >
>>>
>>> I would opt for a KeenSert myself. Those are a solid insert that keys
>>> into place. A helicoil would likely work but the solid insert would be a
>>> better option as far as sealing the exterior.
>>>
>>> --
>>> Steve W.
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>>>
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