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From: AMuzi <am@yellowjersey.org>
Newsgroups: rec.bicycles.tech
Subject: Re: Job Offer
Date: Tue, 18 Mar 2025 10:08:40 -0500
Organization: Yellow Jersey, Ltd.
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On 3/18/2025 9:34 AM, Roger Merriman wrote:
> Catrike Ryder <Soloman@old.bikers.org> wrote:
>>> accredited engineering programOn Tue, 18 Mar 2025 19:12:18 +0700, John B.
>>> <slocombjb@gmail.com> wrote:
>>
>>> On Tue, 18 Mar 2025 08:00:55 -0400, Catrike Ryder
>>> <Soloman@old.bikers.org> wrote:
>>>
>>>>> accredited engineering programOn Tue, 18 Mar 2025 07:22:33 -0400,
>>>>> Catrike Ryder <Soloman@old.bikers.org> wrote:
>>>>
>>>>> On Tue, 18 Mar 2025 16:52:40 +0700, John B. <slocombjb@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> On Tue, 18 Mar 2025 04:05:22 -0400, Catrike Ryder
>>>>>> <Soloman@old.bikers.org> wrote:
>>>>>>
>>>>>>>> I never said I though I was loved by God.On Tue, 18 Mar 2025
>>>>>>>> 08:52:46 +0700, John B. <slocombjb@gmail.com> wrote:
>>>>>>>
>>>>>>>> On Mon, 17 Mar 2025 12:06:55 -0500, AMuzi <am@yellowjersey.org> wrote:
>>>>>>>>
>>>>>>>>> On 3/17/2025 12:03 PM, Catrike Ryder wrote:
>>>>>>>>>> On Mon, 17 Mar 2025 11:35:21 -0500, AMuzi <am@yellowjersey.org> wrote:
>>>>>>>>>>
>>>>>>>>>>> On 3/17/2025 11:07 AM, Frank Krygowski wrote:
>>>>>>>>>>>> On 3/17/2025 10:30 AM, AMuzi wrote:
>>>>>>>>>>>>> On 3/16/2025 10:01 PM, Frank Krygowski wrote:
>>>>>>>>>>>>>> On 3/16/2025 4:28 PM, Catrike Ryder wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Education isn't an accomplishment, it's a tool.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> It's both. Education can't be simply given to a person.
>>>>>>>>>>>>>> It can be greatly helped by a competent teacher, but the
>>>>>>>>>>>>>> person still has to work to achieve it. Doing that
>>>>>>>>>>>>>> successfully is an accomplishment.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> What's odd is that this discussion group has a few
>>>>>>>>>>>>>> denizens who think they can accomplish just as much
>>>>>>>>>>>>>> without that tool.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> In modern parlance, they actually are the tools.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> I don't think it's binary or Manichean.  That is, both or
>>>>>>>>>>>>> all can be true in different examples.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Examples abound of both autodidacts with gaping holes in
>>>>>>>>>>>>> their repertoire (me) and others who accomplished much
>>>>>>>>>>>>> from the same background (Franklin).
>>>>>>>>>>>>
>>>>>>>>>>>> Benjamin Franklin was brilliant. It's been pointed out that
>>>>>>>>>>>> his science accomplishments alone would have won Nobel
>>>>>>>>>>>> Prizes had they existed.
>>>>>>>>>>>>
>>>>>>>>>>>> But any modern American is a fool if he says "Franklin was
>>>>>>>>>>>> great and he learned it all himself. So I don't need no
>>>>>>>>>>>> schooling."
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Right, that would be a logical leap in most cases.
>>>>>>>>>>>
>>>>>>>>>>> Still and all, situations, capacity, attitude and resources
>>>>>>>>>>> vary so much that a certificate or a degree may not hold a
>>>>>>>>>>> good return for everyone.
>>>>>>>>>>>
>>>>>>>>>>> Again this is the difference between education broadly and
>>>>>>>>>>> certification specifically.  No one wants a heart surgeon or
>>>>>>>>>>> structural engineer who sorta gets the general idea in his
>>>>>>>>>>> field:
>>>>>>>>>>>
>>>>>>>>>>> https://www.youtube.com/shorts/-BpW_cM7iYc
>>>>>>>>>>
>>>>>>>>>> I very clearly remember the moment when I reached awareness. It was in
>>>>>>>>>> fourth grade and I was assigned a couple of pages of long division,
>>>>>>>>>> which I was ordered to copy out of the book and "<LOL> solve....  I
>>>>>>>>>> did a couple and then it hit me. I know how to do this and doing it
>>>>>>>>>> over and over serves no purpose. That's when I started ignoring the
>>>>>>>>>> assignments and going ahead in the book on my own. I did very little
>>>>>>>>>> homework from that day on, but I did well on all the tests. The
>>>>>>>>>> ignorant teachers insisted on basing too much of the grades on the
>>>>>>>>>> "daily work, instead of simply how much was learned. I think it hurt
>>>>>>>>>> their feelings that I ignored their instructions.
>>>>>>>>>>
>>>>>>>>>> Most of what I know, I learned by reading and experimenting. Yeah, I
>>>>>>>>>> know that wouldn't work for doctors, nurses, and dentists, but those
>>>>>>>>>> kinds of professions are too restrictive for me anyway.
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> C'est bon
>>>>>>>>>> Soloman
>>>>>>>>>
>>>>>>>>> Good point, and you understand the difference. See also
>>>>>>>>> airplane mechanics.
>>>>>>>>
>>>>>>>> "Most of what I know, I learned by reading and experimenting."
>>>>>>>>
>>>>>>>> Airplane mechanic?
>>>>>>>>
>>>>>>>> And the pilots don't complain? ():-)
>>>>>>>
>>>>>>> I never worked on an airplane, but I wrenched on cars and trucks and
>>>>>>> boats and tractors and snowmobiles and motorcycles and bicycles. I
>>>>>>> didn't need a school teacher for any of that.
>>>>>>
>>>>>> I am genuine,, Federal licensed, Airplane Mechanic (:-)  Air plane
>>>>>> mechanizing  is more a  matter of doing work correctly and maybe more
>>>>>> important not doing things wrong. For example there are limits on how
>>>>>> many and what sort welds can be made in a steel tube aircraft
>>>>>> fuselage. Or the correct process to weld an internal combustion engine
>>>>>> exhaust and so on and everything that might come loose has to be
>>>>>> secures with safety wire, or other safety system to avoid things
>>>>>> falling off in flight (Upsets the pilots greatly when parts start
>>>>>> falling off in flight  :-)
>>>>>>
>>>>>>
>>>>>
>>>>> I know a bit about piston engines in general, but there are many
>>>>> variations and many I have not worked on.
>>>>
>>>> I find motorcycle engines very interesting, there are parallel, boxer,
>>>> and offset V configurations and many different versions of each. My
>>>> Virago VTwin used a single crank pin like the Harley's but fired on
>>>> different rotations while the Harley's fired both on the same
>>>> rotation. They seemed very proud of their engines' unique sound and
>>>> pretend not to notice the resulting vibration. The early Norton vtwins
>>>> had offset crank pins to go with the offset V cylinders. They don't
>>>> make stuff like they used to make stuff.
>>>
>>> Yup the old Harleys had no Distributor and fired both spark plugs at
>>> the same time - one on the exhaust stroke and one on the power stroke.
>>
>> To clarify. I believe the early Harleys fired twice on each cylinder
>> on each sequence. Each cycilnder got one firing at the correct time
>> and one firing on each cylinder either before or after the correct
>> time.
>>
>> --
>> C'est bon
>> Soloman
>>
> 
> How does that work then? If the first ignition has ignited all or at least
> most of the fuel? Or did it introduce a 2nd batch of fuel?
> 
> Doesn’t sound like a brilliant idea but I’m not going to pretend that this
> is my area of expertise by any means!
> 
> Roger Merriman
> 

Not the only engine like that.  Much simpler; fewer parts = 
lower cost = fewer things to fail. The spark during exhaust 
phase doesn't do anything.

https://www.bigiron.com/Lots/Maytag72DHitMissEngine

-- 
Andrew Muzi
am@yellowjersey.org
Open every day since 1 April, 1971