On 8-3-2018 10:34, Stephen wrote:
> On 08/03/2018 09:04, Thomas de Groot wrote:
>> On 8-3-2018 9:25, Stephen wrote:
>>> On 08/03/2018 07:54, Thomas de Groot wrote:
>>>> On 7-3-2018 22:44, Stephen wrote:
>>>
>>>>> Drillers use some strange terms. The anchor chain tension is 
>>>>> measured in Kilo-pound-inches. I had never heard of that 
>>>>> measurement before I had to calibrate the load sensors.
>>>>>
>>>>
>>>> Interesting story. "kilo-pound-inches", could that mean 'thousand 
>>>> pounds per inch'? the word kilo being used for the thousand's value?
>>>>
>>>
>>> Yes kilo is a multiplier and since it is a unit of work it should 
>>> have been KIP, kilo inch pounds which is 112.98 Nm.
>>> I got kpi stuck in my head. :-)
>>>
>>> For something so important the transmitter was a simple op amp. Check 
>>> the zero and span against the supplied load cell manufacturers data 
>>> sheet. Easy peasy. :-)
>>>
>>
>> Easy peasy indeed. I imagine the guys calibrating those data sheets: 

>>
> 
> More likely Pop. The materials used are designed to take the weight and 
> are over rated.

Sad. I would like a bit of drama ;-)

> 
> 
>> I am always surprised that we got to the Moon at all, or Mars for that 
>> matter, where we were able to crash at least once because of 
>> imperial/metrics confusion... ;-)
>>
> 
> Big mistake mixing units. I may think in imperial but work in metric 
> when I can.
> 

smart. But then you grew up with imperial of course. I find it difficult 
(not that I need it).

-- 
Thomas

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