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Fuel mileage

Started by weedahoe, May 29, 2013, 12:53:20 PM

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Slack

Radians is the only pure measurement system for a circle as it is based off of natural ratios (SIN, Pi, etc) and not man-made divisions.
Quote from: MeeLee on June 07, 2015, 07:14:25 PM
Be aware, this is not very wise advise!

slipperymongoose

Metric is best cause a normal person can't really be f%&ked learning more than one
Some say that he submitted a $20000 expense claim for some gravel

And that if he'd write a letter of condolance he would at least spell your name right.

twocool



Well ............math and trig and geometry are about as man-made as it gets......but then again you might say that "everything is natural"

Point is, there are different systems commonly used for certain applications because they work better........The so called metric system is not always best....and if you read up ont the metric system...it has lots of variation, and can't even agree with itself........

A lot of American machine stuff is done in "decimal inches"....this is essentially the metric system...and just as easy for most things......tenths, hundredths, thousandths etc........

Also if you look at most measuring systems, they are based on natural phenomenon.........

Kilometer is based on circumference of the earth ...but then again so is nautical miles...sort of, but with degrees and minutes thrown in for good luck...

Cookie



Cookie




Quote from: Slack on May 30, 2013, 05:39:07 PM
Radians is the only pure measurement system for a circle as it is based off of natural ratios (SIN, Pi, etc) and not man-made divisions.

twocool

Really?   It is not all that hard....I mean you can do most of the conversions in your head...or remember the factors and use a pocket calculator...or just go to the computer and click on miles instead of kilometers....

Just to show how stupid it gets.......Around here (USA) when flying we tend to use the "Australian system"....Kilometers for distance...knots for airspeed...feet for altitude......feet per minute for climb and descent....... :cookoo: 

Cookie


Quote from: slipperymongoose on May 30, 2013, 06:44:43 PM
Metric is best cause a normal person can't really be f%&ked learning more than one

slipperymongoose

Quickly then educate the world! Go forth and spread the imperial system to the world
Some say that he submitted a $20000 expense claim for some gravel

And that if he'd write a letter of condolance he would at least spell your name right.

twocool

The "world" is already educated......imperial system is used widely.........nautical, aviation, etc etc....

BTW..........even your beloved "metric" bike has  imperial parts!  Can you name a few?


Cookie



Quote from: slipperymongoose on May 30, 2013, 10:40:23 PM
Quickly then educate the world! Go forth and spread the imperial system to the world

slipperymongoose

Then go forth to teach it some more but not me cause I couldn't care less
Some say that he submitted a $20000 expense claim for some gravel

And that if he'd write a letter of condolance he would at least spell your name right.

twocool



Then why do you keep making posts on the subject?


Quote from: slipperymongoose on May 31, 2013, 04:18:20 AM
Then go forth to teach it some more but not me cause I couldn't care less

slipperymongoose

Cause some men just wanna watch the world burn.
Some say that he submitted a $20000 expense claim for some gravel

And that if he'd write a letter of condolance he would at least spell your name right.

twocool


Janx101

I can use metric and most imperial ... Plus .. And even better IMO .. Guesstimating!!

A bit more...
Not that much....
Bit to the left...
Over a tad...
Close as a mickey hair!
About that much..

Etc etc
:D

popnlock

Not to derail this thread from its imperial and metric debate but i track my gas mileage and i get an average of 42 mpg (US gallons). My bike is 23 years old so that could have something to do with it but should i be seeing higher numbers. I typically fill up with your basic 86 octane with not fuel additives. Would putting higher octane fuel in or additives help out, and is it really worth it?
1990 GS500e

ralph13

Quote from: popnlock on May 31, 2013, 10:44:55 AM
Not to derail this thread from its imperial and metric debate but i track my gas mileage and i get an average of 42 mpg (US gallons). My bike is 23 years old so that could have something to do with it but should i be seeing higher numbers. I typically fill up with your basic 86 octane with not fuel additives. Would putting higher octane fuel in or additives help out, and is it really worth it?

Probably not, no. The GS500 is meant to run on regular gasoline, and I don't think a higher octane rating than the engine was designed to take would have any effect one way or the other. If anyone knows better, feel free to correct me on this.

I think being as smooth as possible with the controls, early upshifting (but never lugging the engine of course), and good-condition, well-inflated tires would be the best ways to increase fuel efficiency.

Soloratov

Do you know what gearing you have? Stock front sprocket? I know I have tried 15,16,17T sprockets, and am now going to an 18, purely for the mileage. I usually ride along keeping the RPMs low, right in my bikes sweet spot, 3500-4K. She's smooth there.

ralph13

Quote from: Soloratov on May 31, 2013, 12:14:23 PM
Do you know what gearing you have? Stock front sprocket? I know I have tried 15,16,17T sprockets, and am now going to an 18, purely for the mileage. I usually ride along keeping the RPMs low, right in my bikes sweet spot, 3500-4K. She's smooth there.

How much effect does the sprocket have on mileage?

I have only a very vague understanding of motorcycle mechanics, I have to admit, but this interests me.

Watevaman

 I average about 55 USmpg even when riding fairly high in the rev range (up to 6.5 regularly). This past weekend I did some highway riding for a few hours and even with a stint that was at a constant 90 mph for about 15 minutes, I got like 65 USmpg. It was awesome, and it's going to be a pain whenever I buy a liter bike.
Bike: 1990 GS500E (Vance & Hines full system, K&N Lunchbox, BM Clubmaster bars, Katana rear shock, 0.90 Sonic Springs), 2000 ZRX1100 (Kerker slip-on)
Location: Virginia

twocool



Mileage on the GS 500 can be anywhere from about 15 up to the low 70's mpg...depending on a lot of factors........Mostly driving style.....the wider  the throttle is open the worse the  mileage.......

But don't go by just one sampling......take the average over many tank fulls...like 10 or 20 tank fulls......

Check out he "fuelly" website.........you'll see a wide range of MPG for the GS500..

Cookie




Quote from: popnlock on May 31, 2013, 10:44:55 AM
Not to derail this thread from its imperial and metric debate but i track my gas mileage and i get an average of 42 mpg (US gallons). My bike is 23 years old so that could have something to do with it but should i be seeing higher numbers. I typically fill up with your basic 86 octane with not fuel additives. Would putting higher octane fuel in or additives help out, and is it really worth it?

Soloratov

Quote from: ralph13 on May 31, 2013, 03:04:01 PM
How much effect does the sprocket have on mileage?

I have only a very vague understanding of motorcycle mechanics, I have to admit, but this interests me.

Between riding style and sprockets, I have seen a 20mpg range, anywhere from ~40-60. The more teeth on the sprocket, the lower the RPM (relatively), so the better mileage. More than that though, it's the way you ride. I usually have 3 ways I ride, Jerk, Normal, Gramma.

Jerk = Fast starts, high rev shifts, higher average speed
Normal = With traffic, shift around 4500, roll onto throttle
Gramma = Usually ride like this when I am on back roads just enjoying the view. 40-45mph, in 6th, rolling about 3K rpm...rolling stop signs.

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