I did some testing to try and get some data for Cd and Crr. Using the instructables excel document and testing procedure I recorded a gps speedometer and used that to enter the data. Weather was 40F and wind was 3-5 mph. Road was freshly paved.
The only place I found the frontal area was here:
https://www.automobile-catalog.com/auta_details1.php
Which lists it as 1.88 m^2 (and a stock Cd of .34). Using that data and the data from the recording I get a Cd of .3024 (11.1% reduction
) and a Crr of .01285
If I put these #'s into the fuel consumption calculator under tools it says I should get 42 mpg @ 55 which is really close to what the Mpguino was displaying (~43)
Also my tank is leaking again. I am going to wait until the semester is over (2 weeks) and then change the tank out with a new one. Until then I will have to just use the mpguino as a reference instead of actual data.
I am currently in the testing phase of deleting the side view mirrors, will post pictures when I am satisfied with the results.
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1973 Fiat 124 Special
1975 Honda Civic CVCC 4spd
1981 Kawasaki KZ750E
1981 Kawasaki KZ650 CSR
1983 Kawasaki KZ1100-A3
1986 Nissan 300zx Turbo 5 spd
1995 Chevy Astro RWD (current project)
1995 Mercury Tracer
2017 Kawasaki VersysX 300
2022 Corolla Hatchback 6MT
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