I took delivery of my MX 75D 5 seater on December 22, 2016. On January 18th I started my trip from Austin to Amarillo. The on board Nav system wanted to route me up I-35N to Waco, Denton, and continue to Oklahoma City then I-40W to Amarillo. That seemed a roundabout way. I consulted the Supercharger Map and saw I could eliminate 45 extra miles by traveling diagonally from Austin to Cisco-Childress-Amarillo.
Austin to Cisco is 179 Actual Miles (AM). I started fully charged (237 miles) at 5:40am in heavy scattered rain and 58°. I arrived in Cisco with only 18 Range Miles (RM) remaining.
My next SC was in Childress, 191 (AM) distance. I was nervous going there directly since my first leg left me with only 18 remaining miles. After charging (217 RM) in Cisco I decided not to chance Childress directly but charge in Vernon after driving 145 miles. The Hampton Inn in Vernon has a Tesla charger. Diverting to Vernon only added 10 extra miles, but the slower charging option added 95 minutes. I briefly Supercharged when reaching Childress, then continued to Amarillo where I stayed overnight. This part of my journey took 13 hours travelling 502 miles, door to door.
I kept a log and made an entry for each leg to the next SC. I entered STARTING & DESTINATION data points for:
Actual Miles (AM)
Range Miles (RM)
Range Miles Balance (RMB)
Charging Time (CT)
Range Miles charged (RMC)
Range Miles Driven (RMD)
I wanted to get incite on how efficiently I was driving so I could more accurately predict where to SC next.
As an example on my following days journey from Amarillo to Vail, one leg was from Las Vegas, NM to Trinidad, CO. The AM is 124. I started with 214 RM. When I reached Trinidad I had a RMB of 69.
I created a data point I call my Efficency Factor (EF). I simply divide Range Miles Driven by Actual Miles driven, for each leg. In this example I started with 214 RM after charging in Las Vegas. I reached Trinidad with a RMB of 69. Subtracting 69 from 214 gave me 145 RMD. The actual miles driven is simply taken from the odometer readings.
In this example dividing RMD (145) by AM (124) = 1.17 EF. This means the energy needed on this leg is 17% more to achieve the actual miles driven. So the next time I drive this leg I can predict if I need to stop in Trinidad or wait until Colorado Springs. I can also see various trends when comparing the EF of my different legs.So when driving a new leg I can more accurately predict if I need to charge SOONER rather than LATER.
Incidentally my Amarillo -Vail journey was 651 miles and 14 hours 16 min., door to door. So my 2nd day I drove 149 MORE miles with only 76 more minutes than 1st day. I was more efficiently managing my SC stops.
Needless to say, these were 2 very long days especially since I was driving myself. However I was not as fatigued as I would have suspected, since I could rest during my SC.
Hope you can gain from my experience. Any and all feedback is greatly appreciated. I'm still learning but so far enjoying the adventure.