Welcome to Tesla Motors Club
Discuss Tesla's Model S, Model 3, Model X, Model Y, Cybertruck, Roadster and More.
Register
  • The final cut of the 9th episode of the Tesla Motors Club Podcast, featuring Chad Schwitters, the former president of Plug In America, is now available. You can watch it now on YouTube or listen to it on all major podcast networks.

DC to Cali Trip

Hey everyone,

My wife and I will be driving from Washington, DC to Irvine, CA and will be taking this particular route attached.

We will be driving through Knoxville, Nashville, Memphis, Little Rock, Oklahoma City, Amarillo, Albuquerque, Santa Fe, flagstaff, Vegas into Cali.

Would love to meet other TMC members if anyone happens to be on the road or at a supercharger.

Will be posting updates and see how the car does with a roof box attached.
 

Attachments

  • F680DB25-9E41-4105-90C5-27D6A4DB9435.png
    F680DB25-9E41-4105-90C5-27D6A4DB9435.png
    614 KB · Views: 51
  • 9C2AA1B9-F344-4E29-A449-F3B39ECF37BB.jpeg
    9C2AA1B9-F344-4E29-A449-F3B39ECF37BB.jpeg
    529.1 KB · Views: 50

Earl

Member
Jan 22, 2014
481
633
USA
I definitely want to hear how it goes with the roof box on the Y. Look forward to your report.
I did similar trip a couple of years ago (Hampton Roads, VA to LAX) I pushed it hard and made it in 3 days, in time for a 5:00 pm meeting near LAX. I doubt I'll push so hard if I do it again but, with Ozark and Van Buren, AR open, it should be even easier than when I had to detour almost to Dallas.
Have fun. Maybe even stop by Meteor Crater, Petrified Forest, and the Grand Canyon on your way through.
 
I definitely want to hear how it goes with the roof box on the Y. Look forward to your report.
I did similar trip a couple of years ago (Hampton Roads, VA to LAX) I pushed it hard and made it in 3 days, in time for a 5:00 pm meeting near LAX. I doubt I'll push so hard if I do it again but, with Ozark and Van Buren, AR open, it should be even easier than when I had to detour almost to Dallas.
Have fun. Maybe even stop by Meteor Crater, Petrified Forest, and the Grand Canyon on your way through.
Also Lowell Observatory! When I was living there as a child there was no visitor center or anything. Now there's a whole series of stargazing events (outdoors, of course!) and things. It's only a couple miles off your route. (As is Meteor Crater, which is the kind of place that looks sorta-cool in photos but when you actually see it in person and imagine the ka-boom, hoo boy...)

I'm imagining taking some long MY trips out thattaway (from Bowie) when I retire in the not too distant future, so I'll be following this thread closely. Have a great trip!
 
  • Like
Reactions: Herroweric

Big Earl

bnkwupt
Supporting Member
Jul 12, 2017
6,863
13,489
Springfield, VA
Enjoy! I'm heading to Seattle via Custer, SD in about three weeks in our Model 3. Consider joining the Superchargers Visited game/competition.

 
  • Like
Reactions: Herroweric
Hey everyone,

My wife and I will be driving from Washington, DC to Irvine, CA and will be taking this particular route attached.

We will be driving through Knoxville, Nashville, Memphis, Little Rock, Oklahoma City, Amarillo, Albuquerque, Santa Fe, flagstaff, Vegas into Cali.

Would love to meet other TMC members if anyone happens to be on the road or at a supercharger.

Will be posting updates and see how the car does with a roof box attached.

That roof box will severely affect your range. I’d suggest you do a trial run and check before going on that long trip. If you must use the roof box, you can reduce your speed to 55 and see if that makes the range acceptable. As I’m sure you know most of the energy of highway travel is spent simply moving air out of the way. Air resistance goes up as the square of the velocity so speed reduction is important. That roof box is a sail and even though it looks aerodynamic it’s going to severely increase the drag. I’d love to be wrong about this. If you do the trial run, please let me know the results and what you decide.
 

Big Earl

bnkwupt
Supporting Member
Jul 12, 2017
6,863
13,489
Springfield, VA
That roof box will severely affect your range. I’d suggest you do a trial run and check before going on that long trip. If you must use the roof box, you can reduce your speed to 55 and see if that makes the range acceptable. As I’m sure you know most of the energy of highway travel is spent simply moving air out of the way. Air resistance goes up as the square of the velocity so speed reduction is important. That roof box is a sail and even though it looks aerodynamic it’s going to severely increase the drag. I’d love to be wrong about this. If you do the trial run, please let me know the results and what you decide.

A cross-country trip at 55 MPH? 🤨 That sounds miserable. I'd rather spend a little extra time charging.
 
  • Like
Reactions: Herroweric
Here is a Consumer Reports article about fuel economy with a roof rack and roof box installed. Their sedan had a 19% gas mileage hit at 65 MPH. That car was a 2019 Nissan Altima which has a drag coefficient of 0.26. Your Y has a drag coefficient of 0.23. If you assume the same carrier on both cars, that rooftop box will have more of an effect on your car, because your car starts off with less drag and more efficiently moves through the air. The relative increase in drag will be greater. There may be other factors as well, such as the gap under the cartop carrier and that effect on the air passage over the car.

So I’d probably assume a 25% or so reduction of range at 65 mph.

Do you think there’s any way to avoid the use of the cartop carrier?

That CR article: How Rooftop Carriers Affect Fuel Economy for Cars and SUVs
 

Big Earl

bnkwupt
Supporting Member
Jul 12, 2017
6,863
13,489
Springfield, VA
You are absolutely right. It’d be nice to pack everything inside somehow, leave that cartop box at home, and go 70.

I don't really see the need to make that sacrifice in anything other than a standard range Y. The long range should have plenty of range to make typical 110 mile Supercharger hops without charging over 70%, without slowing down and without removing the roof box.

Kyle from Out of Spec Motoring took a long trip with a roof box on his Model 3 Performance and was pleasantly surprised by how little it impacted his range. The impact, of course, depends on the style and size of roof box and some other factors.

Here is episode 1 of his video series involving the roof box:

The roof box makes its cameo appearance in episode 2:
 
Hey everyone,

My wife and I will be driving from Washington, DC to Irvine, CA and will be taking this particular route attached.

We will be driving through Knoxville, Nashville, Memphis, Little Rock, Oklahoma City, Amarillo, Albuquerque, Santa Fe, flagstaff, Vegas into Cali.

Would love to meet other TMC members if anyone happens to be on the road or at a supercharger.

Will be posting updates and see how the car does with a roof box attached.
That sounds like an amazing trip! I'm in Knoxville and my parents will probably be making a similar trip in a year or so, so they will be curious to see how your trip goes
 
  • Like
Reactions: Herroweric
If you didn't already own the roof box, I'd suggest a rear hitch box. They're quite a bit more efficient being tucked down below the slipstream.

 
  • Like
Reactions: Herroweric
If you didn't already own the roof box, I'd suggest a rear hitch box. They're quite a bit more efficient being tucked down below the slipstream.

How much does that get in the way of the rear camera?
 

Products we're discussing on TMC...

About Us

Formed in 2006, Tesla Motors Club (TMC) was the first independent online Tesla community. Today it remains the largest and most dynamic community of Tesla enthusiasts. Learn more.

Do you value your experience at TMC? Consider becoming a Supporting Member of Tesla Motors Club. As a thank you for your contribution, you'll get nearly no ads in the Community and Groups sections. Additional perks are available depending on the level of contribution. Please visit the Account Upgrades page for more details.


SUPPORT TMC
Top