Re: [EVDL] Tires

[Lee Hart via EV]

Thos True via EV wrote:

Hi Lee,
An option that might be worth considering would be to check wrecking yards
for 14' or 15" wheels with the same bolt pattern.


Ah, but the LeCar has 3-bolt rims. The French carmakers Renault and 
Citroen are the only ones I know of that uses 3-bolt rims. Finding those 
in an American junkyard would be quite a challenge!


Lee

--
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--
Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com

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Re: [EVDL] Tires

[Thos True via EV]

Hi Lee,
An option that might be worth considering would be to check wrecking yards
for 14' or 15" wheels with the same bolt pattern. i have done this in the
past with Subaru and Geo Metro projects. Discount Tire has an online
conversion chart that is helpful. Their prices and brand selection aren't
bad either.
-Tom True

On Wed, Jun 21, 2023 at 4:06 PM Lee Hart via EV  wrote:

> A recent comment reminded me: I need new tires for my Lectric Leopard
> (Renault LeCar) EV. Stock size is 145/80R13, but 155/80R13 also fit. The
> rims are 4.5" wide, so a wide profile tire isn't a good fit.
>
> I'm finding it difficult to find any 13" tires, let alone low rolling
> resistance ones. Yet I know there are small EVs and other cars that have
> used them. Does anyone know of any sources?
>
> Lee
>
> --
> Whatever the problem, be part of the solution. Don’t just sit
> around raising questions and pointing out obstacles. -- Tina Fey
> --
> Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com
>
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Re: [EVDL] Tires

[Lee Hart via EV]

Many thanks to Cor van de Water, David Roden, -Phil_, and Mr. Sharkey 
for your tire suggestions! Tire Rack and Discount Tire have the Kumho 
155/80R13 in stock (for online order), so that's what I may go with. But 
I forwarded your suggestions to the buyer, and we'll see what he wants.


Lee

--
The storage battery is one of those peculiar things which appeals to
the imagination, and no more perfect thing could be desired by stock
swindlers. Just as soon as a man gets working on the secondary battery,
it brings out his latent capacity for lying. -- Thomas A. Edison
--
Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com

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Re: [EVDL] Tires

[Mr. Sharkey via EV]

Yeah, 13" rims and tires have pretty well went the way of the dodo. I 
changed over to 14" twenty years ago, and haven't looked back. This, 
of course, depends on the vehicle involved.


Tire Rack is quite reputable, I've purchased tire and had them 
shipped to my mailing address several times.


Note that in many localities, America's Tires is called Discount 
Tires. My last tire purchase was with them. They were one of the only 
places that I could find street performance tires for my car, as 14" 
is also on it's way out. Michelin (my first choice) no longer makes 
anything suitable. I did toy with buying some summer street 
performance tires, basically slicks with pencil marks for tread, 
which were purported to be very "sticky", so much so that they don't 
have a treadwear specification, but I decided to be mature and get 
something milder that would last more than a thousand miles (based on 
user reviews).


Good luck Lee, It's been five years since I wore out my last set of 
Goodyear Invicta GLR's, and other than tires which would not come 
close to fitting my Rabbit, there are no LLR tires available as far 
as I could tell. I gave up and got some inexpensive brand China tires 
(Mastercraft), and pumped them up to the pressure limit on the 
sidewall (46 PSI). They're OK, close to the Invictas in efficiency, 
and ~waaay~ better in the traction department. The Invicta's were 
like having ice cubes at the end of each axle, especially in the rain.


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Re: [EVDL] Tires

[(-Phil-) via EV]

Also some "no-name" ones here for $72:
https://www.onlinetires.com/search/tires/searchresult?zip=56377=145-80-13#maincontent

On Wed, Jun 21, 2023 at 4:07 PM Lee Hart via EV  wrote:

> A recent comment reminded me: I need new tires for my Lectric Leopard
> (Renault LeCar) EV. Stock size is 145/80R13, but 155/80R13 also fit. The
> rims are 4.5" wide, so a wide profile tire isn't a good fit.
>
> I'm finding it difficult to find any 13" tires, let alone low rolling
> resistance ones. Yet I know there are small EVs and other cars that have
> used them. Does anyone know of any sources?
>
> Lee
>
> --
> Whatever the problem, be part of the solution. Don’t just sit
> around raising questions and pointing out obstacles. -- Tina Fey
> --
> Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com
>
> --
> This email has been checked for viruses by Avast antivirus software.
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Re: [EVDL] Tires

[Cor van de Water via EV]

Is there an Americastire.com store near you?
Looking up *size* on their website, they have no 145 wide tires in 13"
but for 155/80-13, I see 5 *available* tire models starting from $50 a
tire.

On Wed, Jun 21, 2023 at 5:35 PM EV List Lackey via EV  wrote:
>
> On 21 Jun 2023 at 18:05, Lee Hart via EV wrote:
>
> > I'm finding it difficult to find any 13" tires
>
> You might try here:
>
> https://www.tirerack.com/tires/sizes/results.jsp?diameter=13
>
> I see Vredestein 145/13s and Kumho 155/13s.  No clue about their rolling
> resistance.
>
> Don't bother with the homepage.  It's been dumbed down and thinks that it
> knows better than you what you need.
>
> David Roden, EVDL moderator & general lackey
>
> To reach me, don't reply to this message; I won't get it.  Use my
> offlist address here : http://evdl.org/help/index.html#supt
>
> = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
>
>  Imagine if workers hired consultants and "compensation
>  committees," consisting of their peers at other companies,
>  to recommend how much they should be paid. The result would be
>  -- well, we know what it would be, because that's what CEOs do.
>
> -- Matthew Stewart
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Re: [EVDL] Tires

[EV List Lackey via EV]

On 21 Jun 2023 at 18:05, Lee Hart via EV wrote:

> I'm finding it difficult to find any 13" tires

You might try here:

https://www.tirerack.com/tires/sizes/results.jsp?diameter=13

I see Vredestein 145/13s and Kumho 155/13s.  No clue about their rolling 
resistance.

Don't bother with the homepage.  It's been dumbed down and thinks that it 
knows better than you what you need. 

David Roden, EVDL moderator & general lackey

To reach me, don't reply to this message; I won't get it.  Use my 
offlist address here : http://evdl.org/help/index.html#supt

= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 

 Imagine if workers hired consultants and "compensation 
 committees," consisting of their peers at other companies, 
 to recommend how much they should be paid. The result would be 
 -- well, we know what it would be, because that's what CEOs do.
 
-- Matthew Stewart
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 

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[EVDL] Tires

[Lee Hart via EV]

A recent comment reminded me: I need new tires for my Lectric Leopard 
(Renault LeCar) EV. Stock size is 145/80R13, but 155/80R13 also fit. The 
rims are 4.5" wide, so a wide profile tire isn't a good fit.


I'm finding it difficult to find any 13" tires, let alone low rolling 
resistance ones. Yet I know there are small EVs and other cars that have 
used them. Does anyone know of any sources?


Lee

--
Whatever the problem, be part of the solution. Don’t just sit
around raising questions and pointing out obstacles. -- Tina Fey
--
Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com

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Re: [EVDL] Tires to increase Lawrence's Leaf EV range (to/from SF-CA)

[Cor van de Water via EV]

Bruce, I think this is not what Lawrence had in mind. He asked for skinnier
tires to reduce contact and thus drag. Similar to what is done in the i3.
That EV has 155 front width, 175 rear.
Cor.


On Fri, Jul 19, 2019, 10:27 PM brucedp5 via EV  wrote:

>
> https://www.google.com/search?q=nissan+leaf+tires+range
>  search  leaf forums on this topic
>
> Lawrence didn't mention what year, trim, wheel& tire size his Leaf EV
> was/had.
>
> https://tiresize.com/tires/Nissan/Leaf/
>  leaf EV tire sizes
>
> Here's some 205/60R16 leaf sized lrr tire links to explore:
>
>
> https://www.walmart.com/ip/205-60R16-92H-Bridgestone-Ecopia-EP422-Plus-A-S-All-Season-Tire/46694025
> 205/60R16
> 
> 92H Bridgestone Ecopia EP422 Plus A/S All Season Tire
> Walmart # 564542630  $79.89
>
>
> https://www.walmart.com/ip/Goodyear-assurance-fuel-max-P205-55R16-91H-vsb-all-season-tire/52163078
> Goodyear assurance fuel max P205/55R16 91H vsb all-season tire
> Average rating:5out of5stars, based on1reviews1 reviews
> Walmart # 550392015  $84.89
>  a little less wet traction= not good for rainy Seattle-WA
>
>
> https://www.walmart.com/ip/Yokohama-AVID-Ascend-89T-Tire-P205-55R16/47407438
> Yokohama AVID Ascend 89T Tire P205/55R16
> Walmart # 563687690  $93.28
>
>
> https://www.tirerack.com/tires/tires.jsp?gclid=EAIaIQobChMI97iql-LB4wIVA47ICh2BCQ47EAQYAyABEgIPxfD_BwE=Michelin=Primacy+HP=055VR6PHP=C13674x012-tire=tires.jsp_Michelin_Primacy_HP_Tire=yes_id=EAIaIQobChMI97iql-LB4wIVA47ICh2BCQ47EAQYAyABEgIPxfD_BwE:G:s_kwcid=AL!3756!3!72322431853!!!g!99874715053
> !
> Michelin Primacy HP - Size: 205/55R16  Grand Touring Summer
>  Size: 205/55R16  Eco: Green X  $120.34
>
>
> IMO, instead of choosing a lighter tire, consider just buying the better
> lrr
> tirelrr tire for 'your' driving needs, and lose weight by replacing the
> wheel rims with lighter one$.
> https://www.google.com/search?q=nissan+leaf+wheel+weight
>
> Also, several on the various leaf forms mention going to a the larger 17"
> wheel/tire i.e. 17X7 & 215/50R17
> Doing this slightly changes the gear ratio, and the tires might be slightly
> heavier.
>
>
>
>
> For EVLN EV-newswire posts use:
>  http://evdl.org/archive/
>
>
> {brucedp.neocities.org}
>
> --
> Sent from: http://electric-vehicle-discussion-list.413529.n4.nabble.com/
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[EVDL] Tires to increase Lawrence's Leaf EV range (to/from SF-CA)

[brucedp5 via EV]

https://www.google.com/search?q=nissan+leaf+tires+range
 search  leaf forums on this topic

Lawrence didn't mention what year, trim, wheel& tire size his Leaf EV
was/had.

https://tiresize.com/tires/Nissan/Leaf/
 leaf EV tire sizes

Here's some 205/60R16 leaf sized lrr tire links to explore:

https://www.walmart.com/ip/205-60R16-92H-Bridgestone-Ecopia-EP422-Plus-A-S-All-Season-Tire/46694025
205/60R16 92H Bridgestone Ecopia EP422 Plus A/S All Season Tire
Walmart # 564542630  $79.89

https://www.walmart.com/ip/Goodyear-assurance-fuel-max-P205-55R16-91H-vsb-all-season-tire/52163078
Goodyear assurance fuel max P205/55R16 91H vsb all-season tire
Average rating:5out of5stars, based on1reviews1 reviews
Walmart # 550392015  $84.89
 a little less wet traction= not good for rainy Seattle-WA

https://www.walmart.com/ip/Yokohama-AVID-Ascend-89T-Tire-P205-55R16/47407438
Yokohama AVID Ascend 89T Tire P205/55R16
Walmart # 563687690  $93.28

https://www.tirerack.com/tires/tires.jsp?gclid=EAIaIQobChMI97iql-LB4wIVA47ICh2BCQ47EAQYAyABEgIPxfD_BwE=Michelin=Primacy+HP=055VR6PHP=C13674x012-tire=tires.jsp_Michelin_Primacy_HP_Tire=yes_id=EAIaIQobChMI97iql-LB4wIVA47ICh2BCQ47EAQYAyABEgIPxfD_BwE:G:s_kwcid=AL!3756!3!72322431853!!!g!99874715053!
Michelin Primacy HP - Size: 205/55R16  Grand Touring Summer
 Size: 205/55R16  Eco: Green X  $120.34


IMO, instead of choosing a lighter tire, consider just buying the better lrr
tirelrr tire for 'your' driving needs, and lose weight by replacing the
wheel rims with lighter one$.
https://www.google.com/search?q=nissan+leaf+wheel+weight

Also, several on the various leaf forms mention going to a the larger 17"
wheel/tire i.e. 17X7 & 215/50R17
Doing this slightly changes the gear ratio, and the tires might be slightly
heavier.




For EVLN EV-newswire posts use:
 http://evdl.org/archive/


{brucedp.neocities.org}

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[EVDL] ?Tires drain 30 percent of an EV battery's range?

[brucedp5 via EV]

http://blog.caranddriver.com/the-future-of-tires-will-the-government-limit-grip/
The Future of Tires: Will the Government Limit Grip?
July 20, 2016  Clifford Atiyeh

The 1980s Michelin ads picturing car tires as infant playpens, with babies
surrounded by belted radials and black rubber, always ended with an
invaluable lesson: “Because so much is riding on your tires.” It’s as true
today as ever, only there’s an extra weight we didn’t consider back then:
The federal government.

For the first time, the United States will attempt to ban passenger vehicle
tires that aren’t fuel-efficient. The FAST Act, signed into law by President
Obama in December 2015, is a five-year transportation bill that, among many
things, directs the National Highway Traffic Safety Administration to set
minimum standards for tire rolling resistance by the end of 2017. It will
attempt to mirror tire regulations adopted by the European Union in 2012,
which mandated thresholds for rolling resistance, wet traction, and even
noise. This ignites a very reasonable suspicion. Will low-grip tires with
“eco” labels on the sidewall—some of which are already fitted as original
equipment on efficiency-minded mainstream cars today—come to ruin all cars,
especially sports cars? Surely, our skidpad results and slalom times would
all suffer.

But after reviewing trade group opinions of the EU regulation and speaking
to a few experts, we’re not sure any of that will happen. When these new
regulations go into effect (likely in five years), our tires and cars should
overcome whatever may get lost—fuel consumption included.

“We are first and foremost a safety product,” says Mike Martini, president
for Bridgestone’s original equipment division in the U.S. “We got to have
this fuel economy component, but you got to do it without compromise.”


Why go after tires? With significant strides made in aerodynamics and other
sources of efficiency-sapping friction, modern cars have gotten to the point
that their tires burn up a bigger proportion of fuel than they used to.
According to Michelin, tires typically account for 25 percent of a new car’s
fuel consumption, up from the 20 percent it was a few years ago. Put another
way, every fourth fill-up in your Accord goes to overcome rolling
resistance. On electric vehicles, which are further optimized for
efficiency, and where every last mile is critical, tires drain around 30
percent of battery range.


“According to the EU’s calculations, the best “A” grade tires may reduce
fuel consumption by 7.5 percent compared to the lowest “G” grade.”

In Europe, all car tires ship with consumer labels that score a tire’s fuel
efficiency and wet traction across an A to G grading scale, along with a
three-tiered scale for allowable road noise relative to future limits. Tires
that score below a G—that’s a rolling resistance greater than 12.1 kilograms
per metric ton—can’t be sold in the EU. According to the EU’s calculations,
the best “A” grade tires may reduce fuel consumption by 7.5 percent compared
to the lowest “G” grade. Multiply the billions of miles we travel worldwide
by even a sliver of improvement in gas mileage and the savings are massive.
Bridgestone goes so far to claim that its Ecopia Plus tires can net drivers
an additional 20 miles over a 400-mile cruising range. (Of course, if every
driver checked their tire pressures each month the potential fuel savings
could be massive as well, but what American does that?)

Our government isn’t likely to require noise reduction or so many letters.
An earlier, separate directive intended to supplement the Uniform Tire
Quality Grading System—the numerical treadwear rating and two alphabetical
ratings for temperature and traction imprinted on each sidewall—is also
under consideration. New five-star ratings will be displayed for fuel
efficiency, wet traction, and treadwear. These ratings may not coincide with
the actual efficiency and traction thresholds proposed by the FAST Act. But
whatever regulators ultimately decide, we’ll have the first standard that’ll
let us compare a tire’s fuel efficiency against its competitors. Winter,
off-road, spare, light-truck (“LT” designation), and any tires less than 12
inches in diameter are exempt.

Car enthusiasts shouldn’t cry, at least not until the first ruling draft is
published. The wording in the FAST Act specifically mandates that any new
standards won’t have a “disproportionate effect” on tires rated Z and higher
(i.e., those with speed ratings above 149 mph). That wording was explicitly
lobbied by the Rubber Manufacturers Association, which represents the
majority of tire companies selling in the U.S. The bill’s language for
wet-traction requirements also scales them with fuel efficiency, so that any
increase in efficiency must prevent a decrease in wet traction. Since wet
surfaces have a lower friction-coefficient than dry surfaces, it’s a
tougher—and ultimately, safer—benchmark for tire companies to meet. In
essence, lawmakers