The subject of the Potenza's not being manufactured comes up on the www.Insightcentral.net every couple months and it seems that they are just in short supply and it take a little while for the production to filter down to the retailers. Tire rack usually has them.
Rush Tucson AZ > -----Original Message----- > From: EV [mailto:[email protected]] On Behalf Of Cor van de Water via EV > Sent: Sunday, November 09, 2014 9:12 PM > To: Electric Vehicle Discussion List > Subject: Re: [EVDL] Range vs Speed > > Those were also the tires for the gen 1 USA Prius, although I believe they have > stopped making them and I have had very good results with other LRR tires such as > Sumitomo HTR. > Soon I will need to put new tires on my 2002 Prius again, so I will again have to > search and find a low cost LRR tire with decent reviews. > > Regards, > > Cor van de Water > Chief Scientist > Proxim Wireless Corporation http://www.proxim.com > Email: [email protected] Private: http://www.cvandewater.info > Skype: cor_van_de_water Tel: +1 408 383 7626 > > > -----Original Message----- > From: EV [mailto:[email protected]] On Behalf Of Rush Dougherty via EV > Sent: Sunday, November 09, 2014 7:53 PM > To: 'Electric Vehicle Discussion List' > Subject: Re: [EVDL] Range vs Speed > > The right LRR tires makes a big difference also. When I had to replace my year > 2000 Honda Insight tires about 5 years ago, I went to my local Discount Tire place > and said I wanted the OEM tires, Bridgestone Potenza RE 92's. The sales man came > back with, 'We have another Low Rolling Resistance tire that is just as good as the > Potenza, and they are a little cheaper for 4 and have a better mileage rating, 60,000 > instead of 40,000. He said the magic word - LRR so I said sure put 'em on. Well, about > an hour later I drove out of the parking lot with the new tires and I knew > immediately that I'd get much lower MPG. I drove around for about 15 minutes and > sure enough I was getting 50 mpg instead of my usual 60 mpg, I drove back and said I > don't want these, please change them out for the Potenza's. Salesman was very nice > and said, no problem, but we'll have to order them. That was why he pushed the > other tires, the Potenza's were not in stock and it took 2 weeks to get them. > > So if you have an 1st Gen Honda Insight, use only Potenza RE 92 tires. > > Rush > Tucson AZ > > > > -----Original Message----- > > From: EV [mailto:[email protected]] On Behalf Of Lee Hart via > EV > > Sent: Sunday, November 09, 2014 3:45 PM > > To: Michael Ross; Electric Vehicle Discussion List > > Subject: Re: [EVDL] Range vs Speed > > > > Michael Ross via EV wrote: > > > If I want to think I am reducing energy consumption, I seek a lower > > > average speed. Not much else helps to the same extent. Skinny tires, > > > better regen efficiency, hidden wiper blades, lower overall > height?... > > > meh. > > > > I agree on regen, hidden wipers, and lower height. But tires really do > make a > big > > difference. > > > > There is at least a 2:1 difference in the rolling resistance of > otherwise > similar tires. > > This translates into about a 10-20% difference in range (more at low > speeds > where > > tires are a big part of your losses; less at high speeds where wind > resistance > > dominates). > > > > The trouble is, it's hard to find data on rolling resistance. Your > best bet is > usually to > > get OEM tires from some car that needs to have good gas mileage. (Note > that > the > > tires sold in tire stores are NOT the same tires that car > manufacturers get!) > > > > Tire pressure, wheel alignment, and dragging brakes also make a big > difference. > > Most tires get underinflated for a "cushy ride", or just because no > one has > checked > > the pressure in months. Wheel alignment is also likely to be off. And > *most* > car's > > brakes drag, with the pads constantly running against the calipers > because > there > > aren't really any spring retractors. > > > > -- > > A designer knows he has achieved perfection not when there is nothing > left to > add, > > but when there is nothing left to take away. > > -- Antoine de Saint Exupery > > -- > > Lee Hart's EV projects are at http://www.sunrise-ev.com/LeesEVs.htm > > _______________________________________________ > > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > > For EV drag racing discussion, please use NEDRA > > (http://groups.yahoo.com/group/NEDRA) > > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > For EV drag racing discussion, please use NEDRA > (http://groups.yahoo.com/group/NEDRA) > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > For EV drag racing discussion, please use NEDRA > (http://groups.yahoo.com/group/NEDRA) _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
