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Finally... after 6 months of trying I managed to exceed the speed limit

Clydesdales/Athenas (200+ lb / 91+ kg) Looking to lose that spare tire? Ideal weight 200+? Frustrated being a large cyclist in a sport geared for the ultra-light? Learn about the bikes and parts that can take the abuse of a heavier cyclist, how to keep your body going while losing the weight, and get support from others who've been successful.

Finally... after 6 months of trying I managed to exceed the speed limit

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Old 08-08-12, 06:02 PM
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krobinson103
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Finally... after 6 months of trying I managed to exceed the speed limit

http://www.endomondo.com/workouts/s-NaQF3mRwQ

Its been a long journey from 15km/h to 60km/h, but I finally actually exceeded the speed limit on my favorite little downhill slope during my morning exercise ride on my mtb. Now all I need to do is get the cruising speed up to 35km/h or better all the time. Thats going to be more of a challenge.
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Old 08-08-12, 06:10 PM
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Congrats. Now, go get yourself a speeding ticket and post it here! THAT would be cool.

Good job on your progress. That is quite an improvement!
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Old 08-08-12, 06:13 PM
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I've got to start tracking my exercise in metric...
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Old 08-08-12, 06:32 PM
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I come from New Zealand and we stopped using miles in 1962... 12 years before I was born. My brain can't process imperial measurements without going into error mode. I have to say it takes a lot of effort to get an mtb to 60km/h, even with a bit of a downhill to help. It does help that I lost 22kg in the same time span. Climbing is much easier...
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Old 08-08-12, 07:17 PM
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I prefer metric for everything except for speed and distance, go figure. Who cares about inches and mills? Is 7/16 bigger than 15/32? Ugh. What really fries me is trying to figure out fuel efficiency in km/l because I really can't wrap my head around that.
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Old 08-08-12, 09:58 PM
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I want to know who the brain surgeon was that thought it would be easier to divide everything by 12 instead of 10!
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Old 08-08-12, 10:05 PM
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He was british, that's all you need to know. Thank goodness we're not using cubits anymore
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Old 08-09-12, 06:30 AM
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I always said that if I got a speeding ticket on a bicycle I would have it framed and hang it on the wall.
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Old 08-09-12, 06:55 AM
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Originally Posted by TrojanHorse View Post
Is 7/16 bigger than 15/32?
No
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Old 08-09-12, 07:12 AM
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Originally Posted by cwcaesar View Post
I always said that if I got a speeding ticket on a bicycle I would have it framed and hang it on the wall.
That too is one of my goals. I pass the police department in our little town every day during my bike ride. It's at the bottom of a short, steep hill. I keep trying to make it up to 26 mph so they can get me, but it hasn't happened yet. Does anyone else find themselves acting like a 10 year old on their bikes, or is it just me?
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Old 08-09-12, 07:17 AM
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Originally Posted by wfournier View Post
No
Yeah, I get it... but 12, 13, 14mm is much more straight forward.
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Old 08-09-12, 08:08 AM
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Originally Posted by TrojanHorse View Post
Yeah, I get it... but 12, 13, 14mm is much more straight forward.
but it's so much easier, at least when I was working in a machine shop, to say '3 tenths' than to say .00762 MM.
Of course it was understood that '3 tenths' meant 3 ten-thousands of an inch (0.0003")
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Old 08-09-12, 09:11 AM
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Originally Posted by IBOHUNT View Post
it was understood that '3 tenths' meant 3 ten-thousands of an inch (0.0003")
No it doesn't!................ it means 3 ten- thousandths of an inch.
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Old 08-09-12, 09:39 AM
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Topic creep but those of you in love with metric tell me how in metric you and two buddies go in to a pizzaria and order a round pie which you all split equally........ yup you each get 1/3! Fractions are necessary in my world. Multiplication and division are memorization based........ I think I memorized 12 x 12 = 144 before anything else because it was on the edge of the PeeChee table.
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Old 08-09-12, 09:45 AM
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Originally Posted by Mr. Beanz View Post
No it doesn't!................ it means 3 ten- thousandths of an inch.

ok you guys are losing me...I work in machine land and three tenths is .3

I dont know what you guys were machining but we only work out to thousands 0.003 but if you did mean tenths equals ten thousands then .0003 is correct (still want to know what you were machining with those kinds of tolerances.
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Old 08-09-12, 10:03 AM
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Originally Posted by vesteroid View Post
ok you guys are losing me...I work in machine land and three tenths is .3

I dont know what you guys were machining but we only work out to thousands 0.003 but if you did mean tenths equals ten thousands then .0003 is correct (still want to know what you were machining with those kinds of tolerances.
If you work with micrometers, take a look at the vernier scale. It is labeled from 1-9, that measures tenths of a thousandth.

The scale on the outer sleeve is 0-1 (main scale) each mark is 25 thousandths (.025)..each number, for example "1" is one hundred thousandths (.100)...9 is .900 then the next would be 1 inch (if working with a 0-1 inch mic).

the scale on the thimble rolls 0-24. Each revolution is of the thimble is .025

so lets say you roll the main scale to 1 plus one has mark, it is .125....that is 3 places, one hundred twenty five thousandths.

if you roll an itty bitty more, you look at the vernier scale. if the lines align at the 3 of the vernier scale vs the number scale of the thimble scale, it adds .0003.

So it is more precise to say: .1253 than it is to say .125

If working in a machine shop, the blueprints most of the time use a 3 place dimension (.xxx) but sometimes it will use a call out such as (.125 +/- .0005).......the .0005 is 5 tenths of a thousandth.

that's what we are talking about.

---------------------

I am surprised that you don't know this if you work in machine land. Calipers measure .100 while mics and height gauges measure .1000 for better accuracy and precision.

If you notice in my pic, I rolled the thimbles s that it is just past the "0" which equal 25 as the pre number was 24.

So now we have 25 but since it is just a bit past like a clock, it is not exactly on the hour all the time. 12:01-12:02 etc


Since we are just past the 25, we now have .025 but it is just a bit more. First look I see I am just past so it could be 2 or 3 past.

So I refer to the vereneir scale to be exact. The number 2 lines up best out of the numbers labeled 1-9. So there you got it.

twenty five thousandths and two tenths (.0252)


mic1 by mrbeanz1, on Flickr


The good ooooooole micrometer, precision measuring instrument.


mic2 by mrbeanz1, on Flickr

Last edited by Mr. Beanz; 08-09-12 at 01:19 PM.
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Old 08-09-12, 01:04 PM
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The Newton is a measure of force in the metric system. A one kilogram mass being pulled toward the earth is being pulled with a force of approximately 9.8 Newtons. Therefore a kilogram weighs 9.8 newtons. From everything that I have observed all the guys using the metric system will go kicking and screaming to their graves before the will call a kilogram 9.8 Newtons. It must be just to discouraging to say that I don't weigh 100 kilograms but I weigh 980 Newtons. Maybe the guys using the English system should start saying they they weigh 5 slugs.
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Old 08-09-12, 01:52 PM
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if you get a ticket I will send you a frame to frame it!
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Old 08-09-12, 02:01 PM
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beazy you schooled me again, in my shop the machines are 14 feet long and only work down to .001

However I can make cool toys with mine...big toys, but cool toys.
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Old 08-09-12, 02:07 PM
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Originally Posted by vesteroid View Post
beazy you schooled me again, in my shop the machines are 14 feet long and only work down to .001

However I can make cool toys with mine...big toys, but cool toys.
14 feet? So are the machines in the shops in which I do inspection. CNC machines, water jets, as well as lathes and conventionals. None of them are restricted to .001. No machine is limited to .001, they work on infinite numbers just at any number system does. Whether or not you have to the tools to check the parts that precisely is another matter.

Now if your shop only requires a tolerance of .001 that is understandable but every machine can be set more precise if needed.

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Old 08-09-12, 02:11 PM
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Originally Posted by chefisaac View Post
if you get a ticket I will send you a frame to frame it!
You'll just need to find out if the frame dimensions should be in metric or English first.
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Old 08-09-12, 02:15 PM
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Originally Posted by Mr. Beanz View Post
14 feet? So are the machines in the shops in which I do inspection. CNC machines, water jets, as well as lathes and conventionals. None of them are restricted to .001. No machine is limited to .001, they work on infinite numbers just at any number system does. Whether or not you have to the tools to check the parts that precisely is another matter.

Now if your shop only requires a tolerance of .001 that is understandable but every machine can be set more precise if needed.
going to deg to biffer here. We have 3 cnc and none of them can be programmed below .001 they simply wont take the input and the machine cant hold the tolerance.
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Old 08-09-12, 02:18 PM
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Originally Posted by Black wallnut View Post
Topic creep but those of you in love with metric tell me how in metric you and two buddies go in to a pizzaria and order a round pie which you all split equally........ yup you each get 1/3! Fractions are necessary in my world. Multiplication and division are memorization based........ I think I memorized 12 x 12 = 144 before anything else because it was on the edge of the PeeChee table.
Apples and oranges. You have fractions in S.I. ... and it is much easier to convert between units of measurements.

For me, I've been using metric for about forty years now, and except for temperature measurements, I've find it very simple and easy, (once you get used to it). Why are the U.S., Liberia, and Myanmar the only countries on the world who do not use S.I. in everyday life? That is going to change soon. Once upon a time, the U.S., for awhile, was the "big gorilla" on the planet. The days when the U.S. could dictate to the rest of the world will soon be over, if not already, (e.g., the rise of the economic power of the E.U., China, India).

Oh, to keep the post cycling related ... as far as I know, all the tools needed on my bike are metric...not a S.A.E. anywhere to be found on the thing.
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Old 08-09-12, 02:26 PM
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Originally Posted by vesteroid View Post
going to deg to biffer here. We have 3 cnc and none of them can be programmed below .001 they simply wont take the input and the machine cant hold the tolerance.
Looked up some quick research. Could be that your company has old low quality stuff and this is from 2007

http://ezinearticles.com/?CNC-Machin...ces&id=3056176



[I]Exacting tolerances of 0.00004" to 0.004" is possible. (Otherwise, one to one hundred microns) Because these machines are computer numerical controlled (CNC) the possibility that production can be this precise is easy. No more do operators have to make sure that the placement of the material is precise and so on in order to achieve these standards. The computer technology can grind, cut, sand, etc to the dimensions specified by the program. They will be extremely close if not all the way there.

[I]Tolerances are directly related to the quality of the CNC machines. This is why you will find that different companies who offer CNC machining services can offer different tolerances. Some may offer 0.001" tolerances and others will offer a variety of different tolerances. The higher the quality of the CNC machine and the programs that operate it, the better tolerance that you will be able to get.[/B]
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Old 08-09-12, 03:09 PM
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http://www.endomondo.com/workouts/p5wkyO6O158

Lol... an interesting discourse into the science of measurement. Todays ride was a tad faster by pace, but the top speed was lacking. Still, even with 2 lights and 300 lumens ahead of me I don't think I want to go much faster than that before dawn with poor street/path lighting.
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