Drove enclosed trailer 500 miles to Tallahassee from Fort Lauderdale

[sgmorton]

It's all about traier aerodynamic drag. That trailer could have been empty or overloaded and it would have been the same. Flat front enclosed trailers and RVs were horrible on even my diesel trucks range.

I've often wondered if someone where to make a "wing" to put in the bed that would redirect the airflow higher over the trailer reducing the air resistance if that would help. Looking at the OP's setup I bet it's not very good as the air flows over the truck and directly hits the flat face of the trailer.

I myself have noticed a significant increase in efficiency drafting an 18 Wheeler. I have not had a lot of chance to measure it in in my truck but on my model S it was 20-25% more efficient when drafting.

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[mongo]

I've often wondered if someone where to make a "wing" to put in the bed that would redirect the airflow higher over the trailer reducing the air resistance if that would help. Looking at the OP's setup I bet it's not very good as the air flows over the truck and directly hits the flat face of the trailer.

I myself have noticed a significant increase in efficiency drafting an 18 Wheeler. I have not had a lot of chance to measure it in in my truck but on my model S it was 20-25% more efficient when drafting.

Or solid sided ramp from the truck roof toward the trailer roof edge

 

[CT_AZ_4x4]

What state of charge did you start charging? If it wasn't close to the bottom, that might be the reason for the 100kw. Also, are you on the latest software version? I know they updated the charge curve lately.

80 miles between charges seems really bad. The worst I've seen is usually half, so around 150 miles. Do you know what your usage stats were? BTW, it's not the weight, it's the aerodynamics that seems to make the biggest difference. Is you trailer really tall? Or really square without curved edges? Maybe post a picture of your setup.

I think you hit the nail on the head: Aerodynamics were crap due to that flat front edge of the trailer. That’s like driving with a parachute into the wind.

 

[greenporsche]

Well done, you should be a teacher!

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