Oil tank temp gauges - cheap as

Ishrub said:
.

You must be younger than the rest of us Mick

Convert Fahrenheit to Celsius

℃ = (℉ - 32) / 1.8

or

C = (℉ - 32) x 5 / 9
Click to expand...

Odd that the formula shown mixes decimals and fractions, I learned it as 9/5, not 1.8

Anyone that doesn't use good old red blooded American Fahrenheit is a bit suspect anyway.
 
The one I linked is in Celsius, I prefer Celsius as well unless we’re talking weather, then Fahrenheit it is.

A quick glance down will let you see it, but, I’m more interested in seeing this for oil weight reasons.
 
Claviger said:
As a black one this one should work, measurements are very close, ordering, will verify if it does or doesn’t fit.

Black Oildipstick with Temperature Gauge for Harley-Davidson 1979up Sportster Softail
Click to expand...
Good find!
This appears to be similar and same fitment as the one @1olbull bought so if your right it will fit the Rockets as well as the version I got.

Black Oildipstick with temperature gauge until 140 C° Celsius. Fits Fits Harley-Davidson® Sportster models from 1979 -2003 and Softail models from 1984-1998.
MORE INFO
Black Oildipstick with temperature gauge until 140 C° Celsius. Fits Fits Harley-Davidson® Sportster models from 1979 -2003 and Softail models from 1984-1998.

Dimensions: Total length 10,5cm, top diameter 4,0 cm , measuring rod length 6,5cm, plug diameter 3,3cm. Fits Harley-Davidson® Sportster models 1979-2003 and Softail models from 1984 to 1998.

 
Claviger said:
The one I linked is in Celsius, I prefer Celsius as well unless we’re talking weather, then Fahrenheit it is.

A quick glance down will let you see it, but, I’m more interested in seeing this for oil weight reasons.
Click to expand...

Ya, & report on that too please
 
Tripps said:
Odd that the formula shown mixes decimals and fractions, I learned it as 9/5, not 1.8

Anyone that doesn't use good old red blooded American Fahrenheit is a bit suspect anyway.
Click to expand...
Agreed with the first statement but not the second Celsius is MUCH easier to work with and far more logical. Freezing is 0 and boiling 100 vs -32 and 212 WTF

I made up the second version after reading the top formula online and who the heck can divide a 2 or 3 digit number by 1.8 quickly in their head - not me! Obviously for the calculator only user!
But break it down with 4th grade math into easy head calculations and I got:

C = (℉ - 32) x 5 / 9

Which seemed awfully familiar and easy to flip the conversion the other way..
 
according to my calculations i would shut the engine down at 240 degrees and that would be at 115 degrees c
the red line starts at 120 c and at 248
i would be curious at what temp our oil starts to steam (for lack of a better word)
i put trans fluid on a camp stove (in an open area i know not to bright) and at 250 degrees it started to break down, that was a long time ago and it was not synthetic.
 
I have cousins my age in England, they were just the right age when the switch came that they can think in Fahrenheit or Celsius equally, without actually doing the math.
 
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