hI, Newbie with a tire question. For any fuel efficient vehicle, is a slightly narrower/taller tire a viable alternative? Obviously, driven at moderatly higher...
... Is ... I have a suspicion that a wide contact patch may well generate less rolling resistance than a long one, because of the mechanics of how the vertical...
wheel patch yes... but... There is one more item to consider with the diameter of the wheel.. Flywheel acceleration forces... the larger the diameter the...
Simple answer Yes. Often nowadays cars are over tyred for fashion sakes wide tyres can lessen the grip on the road it depends on conditions. So the best thing...
Hi, I am the moderator of the SmallEfficientVehicles group, birthplace of the $5000 people's car. Green, hybrid, modular energy unit. We could use some...
understanding the energy profile of an engine is understanding how efficient your car is. the following profile in term of percentage help you to understand...
... rosario" <fbros1@...> wrote: SNIP Sorry, your breakdown is wrong Of the energy in the fuel, roughly 20% is converted into mechanical work. Of the other 80%...
Has anyone seen this before? Is it being used? What is the Green Rating? The Green Rating measures a vehicle's environmental friendliness on a scale of 1 to...
I am new in this group. I am looking for the latest news on Li ion batteries. Can anyone recommend a reliable source. Thanks. By the way. Has anyone seeing...
For battery information try: www.advancedautobat.com I would be cautious about NASA's help. They have never built anything low cost. Ed Danzer _____ From:...
Thanks for the help. NASA is not directly involved as far as I know. NASA scientists are working as contractors outside the control of NASA.... I think that is...
sounds like a joke to me... it's like their smog rating... larger engines rate better because of volume... but there is no way that an engine that gets less...
Dd you manage to find where it is defined? I wasted some time yesterday looking for the equation and couldn't see it. Looks like spin to me. Hybrid=+10...
well it is your understanding but most of auto maganize support what i wrote. the point is how to know what percentage of fuel become useful to put your car...
The answer is turbo compounding. Proven in aircraft in the 50's (before jets) and large truchs in Europe. Even simplier is running the alternator off a turbo. ...
Dear Sirs; Could you please help me to allocate a phrase to my thesis title which is about working on failures and problems of policy making on fuel cell in...
Amir - I don't think either of those words is appropriate, as they are both too associated with medicine. Maybe try one of these: Challenges to Asian Fuel Cell...
Looking forward to learning from this group I am a Manufacturer of environmentally friendly vehicles. We make electric scooters with a 40mi range, top speed of...
Tires - Rolling Resistance Hello All, Well it's time to make more MPG improvements on my VX. I going to start by replacing the tires with the lowest rolling ...
A guy who taught me how to drive the YMCA school bus swore he kept all his pickup tires at 60 psi and it gave him just spectacular improvements in fuel ...
The old coot had some good ideas... :) basically he just reduced the tire patch... you could do the same by going with narrower tires... This opens up a whole...
Over inflating tires decreases traction markedly. Stunt men overinflate the rear tires for good tail slides in the movies. ... www.GlobalBoiling.com for daily...
Oh yeah... but what? 30%???? 20%???? they also can get the same tail slides with any inflation... only if they are on the low side (low pressure) then they...
... a ... driven ... Is ... You can install marginally narrower tires on most cars without any serious side effects-by marginally I mean going from say a set...
