[AT] Statistics In Tractor Manufacturing Was Bicycle Program

Cecil Bearden crbearden at copper.net
Tue Sep 17 05:46:01 PDT 2019


The only time I bent a push rod was when I over revved the engine.  It 
was on a 292 Ford V-8 in an old 57 4wd F100.  I got stuck and had to 
give it the gas to get out.  I straightened the rod out on an anvil and 
it i still running...
Cecil

On 9/17/2019 6:03 AM, Henry Miller wrote:
> My zero turn is in the shop with the same bent pushrods issue. Second 
> time this summer. I'm thinking about a different engine... I have the 
> replacement rods, but I found a small spring by the valves that 
> doesn't come from anywhere obvious. I'll have to tear into it more now 
> to see what else is wrong.
>
> -- 
>   Henry Miller
>   hank at millerfarm.com
>
>
>
> On Mon, Sep 16, 2019, at 3:51 PM, Stephen Offiler wrote:
>> Mike M - that just happened to me yesterday!  I've got a Gravely 
>> zero-turn with Kawasaki V-twin that bent a pushrod at 306 hours 
>> (known issue, easy-ish fix).  It is sitting right now waiting for 
>> parts to arrive.  Yesterday, I was walking past and happened to look 
>> down and saw 600 and something hours on the meter, which was odd but 
>> didn't quite register until it clicked over another tenth digit while 
>> I was watching. That happens once every 6 minutes, so I got real 
>> lucky to see it.  I guess the key got bumped somehow during 
>> disassembly  Now, all the service reminders are saying "CHG NOW".  
>> I'm doing engine oil and air filter now anyway, but losing the 
>> service reminder on the hydro units bugs me.  It added 337 hours 
>> sitting still (divide by 24 to see how long I've been waiting for 
>> parts, and therefore how long the grass is getting!).  Since I'm not 
>> likely to ever sell this machine, I don't really care that much about 
>> the fake hours.
>>
>> Steve O.
>>
>>
>> On Mon, Sep 16, 2019 at 4:09 PM Mike M <meulenms at gmx.com 
>> <mailto:meulenms at gmx.com>> wrote:
>>
>>     I have a Scag zero turn that I bought new, I put about 350 hours
>>     on it over the course of several years.  When I parked it this
>>     last fall, I accidentally left the key on, so when I went to
>>     start it this Spring I had 3500 hours on it. Fortunately my
>>     daughter works at the dealer so I was able to buy a new one.
>>
>>     Mike M
>>
>>
>>     On 9/16/2019 2:42 PM, Spencer Yost wrote:
>>>     New tractors have hours embedded in the computer. Replacement
>>>     computers are easily spotted by the metadata in the computer.  
>>>     So for approximately the last 10-15 years we have a reliable
>>>     indicator of usage or computer replacement/tampering on most
>>>     models.
>>>
>>>     However, being able to obtain the equipment and software
>>>     necessary to read the computer is still a sticking point and at
>>>     the heart of the right to repair lawsuits going around.   These
>>>     lawsuits are extending to other equipment and devices. So
>>>     farmers were actually at the forefront of this movement.
>>>
>>>     Ok fine print for the following:
>>>
>>>     This is not a political statement. I absolutely positively never
>>>     endorse any presidential candidate publicly on this list nor
>>>     should the following be construed as support for the  candidates
>>>     mentioned. I only add the following statements and link as a way
>>>     to let y’all know that our frustrations with equipment are being
>>>     heard by some.  Ok enough with the fine print:
>>>
>>>     Elizabeth Warren added support for the right to repair movement
>>>     as one of her written policy planks - To my knowledge the only
>>>     one but the movement should grow to the point candidates
>>>     probably won’t be able to ignore it. Here’s Warren’s policy
>>>     paper on agriculture in general but in that she specifically
>>>     mentions right to repair:
>>>
>>>     https://medium.com/@teamwarren/leveling-the-playing-field-for-americas-family-farmers-823d1994f067
>>>
>>>
>>>     I am watching the right to repair movement closely.
>>>
>>>     Spencer
>>>
>>>
>>>     Sent from my iPhone
>>>
>>>     On Sep 16, 2019, at 10:29 AM, Al Jones <farmallsupera1 at gmail.com
>>>     <mailto:farmallsupera1 at gmail.com>> wrote:
>>>
>>>>     No.  If your tachometer goes bad, you get a new one with 0000.0
>>>>     hours.
>>>>
>>>>     Al
>>>>
>>>>     On Sun, Sep 15, 2019 at 11:52 PM Cecil Bearden
>>>>     <crbearden at copper.net <mailto:crbearden at copper.net>> wrote:
>>>>
>>>>         Probably not, and the mileage on the title of an auto or
>>>>         truck is
>>>>         nothing that can be relied on...   I used to be able to
>>>>         tell by the wear
>>>>         on floorboards, rust, paint scratches etc if a trucks
>>>>         mileage was
>>>>         right. Tractors are a different animal.  Usually just
>>>>         change the tires
>>>>         and if repainted, change the hoses and belts, new seat and
>>>>         cab interior
>>>>         and it is a new tractor.
>>>>
>>>>         Cecil
>>>>
>>>>         On 9/15/2019 8:36 PM, Jack wrote:
>>>>         > Tractors are not titled. Automobiles and trucks are. When
>>>>         you sell an auto, you record the mileage at time of sale
>>>>         and your signature. Is it even illegal to alter the hour
>>>>         meter on a tractor?
>>>>         >
>>>>         > -----Original Message-----
>>>>         > From: AT <at-bounces at lists.antique-tractor.com
>>>>         <mailto:at-bounces at lists.antique-tractor.com>> On Behalf Of
>>>>         Cecil Bearden
>>>>         > Sent: Saturday, September 14, 2019 7:33 PM
>>>>         > To: at at lists.antique-tractor.com
>>>>         <mailto:at at lists.antique-tractor.com>
>>>>         > Subject: Re: [AT] Statistics In Tractor Manufacturing Was
>>>>         Bicycle Program
>>>>         >
>>>>         > The New Holland Money Pit is what it is because somewhere
>>>>         in its history the hour meter was turned back.  New tires
>>>>         were installed and it was made to look like a 5 yr old
>>>>         tractor with about 200 hrs per year.
>>>>         > Cecil
>>>>         >
>>>>         > On 9/14/2019 10:26 AM, James Peck wrote:
>>>>         >> Some years ago I did participate in an academic
>>>>         Statistical Quality Control course. Much of the course
>>>>         involved the Weibull Distribution. If I remember correctly,
>>>>         the Weibull Curve predicted the lifespan of a manufactured
>>>>         assembly such as a tractor.  It appears to be a gift from
>>>>         the mathematicians.
>>>>         >>
>>>>         >> https://en.wikipedia.org/wiki/Weibull_distribution
>>>>         >>
>>>>         >> The same distribution probably predicts that Cecil’s New
>>>>         Holland money pit will continue to be so and will suffer an
>>>>         early demise.
>>>>         >>
>>>>         >> [Stephen Offiler] I never took a whole semester of
>>>>         Statistics.  Instead, we had a course called Engineering
>>>>         Experimentation, which was heavy on experiment design and
>>>>         statistical data analysis.  That gave me a very good
>>>>         appreciation for the practical application of statistics. 
>>>>          Out in the real world, on-the-job training programs in
>>>>         quality control principles in manufacturing (Deming, Juran,
>>>>         Lean Six Sigma) continued to solidify the practical
>>>>         applications.
>>>>         >>
>>>>         >> [Cecil Bearden] Steve: I nearly flunked statistics I
>>>>         only passed because I was a graduating senior.  However, I
>>>>         did flunk Rocks & Clods 2124 and had to find another 4
>>>>         hours to graduate.   Then 35 years later I retire as a
>>>>         Geotechnical engineer designing foundations. !!!
>>>>         >>
>>>>         >> [Stephen Offiler] I'm not sure if that is an interesting
>>>>         statistic, or simply predictable statistically.  All you
>>>>         just said is that a bell-curve distribution for 2-year
>>>>         degrees overlaps a bell-curve distribution for 4-year degrees.
>>>>         >>
>>>>         >> [ James Peck] The interesting statistic is that some
>>>>         technical 2 year programs have higher starting incomes than
>>>>         many 4 year degree programs. People who complete such a
>>>>         program can later take a 2+2 program to get a four year
>>>>         degree if they choose.
>>>>         >>
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