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motorizedeverything
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PostSubject: speed calculation   speed calculation Icon_minitimeMay 12th 2013, 9:24 pm

Speed Calculation Sheet

Engine RPM:                    
Gear Ratio:
Tire Size (Rear):

Wheel Circumference - Wheel Diameter X 3.14=

Circumference In Feet -  wheel circumference  /12=

Wheel RPM - Engine RPM / Gear Ratio =
                                         
Feet / Min. - Wheel Circumference(ft) X  wheel rpm =
                             
Feet / Hr. - feet per min   X 60=
                         
Miles / Hr. -    /5,280  = mph


Last edited by motorizedeverything on July 18th 2013, 8:33 am; edited 3 times in total
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Doc Sprocket
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PostSubject: Re: speed calculation   speed calculation Icon_minitimeMay 12th 2013, 11:37 pm

Thank you for posting this. Also, if this forum is capable of hosting the file and if anybody is interested, I have a Excel based spreadsheet file that does the calcs for you. You just plug in the variables like sprocket and wheel sizes, RPM etc, and it spits out the answers.
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PostSubject: Re: speed calculation   speed calculation Icon_minitimeMay 13th 2013, 12:04 am

Doc Sprocket wrote:
Thank you for posting this. Also, if this forum is capable of hosting the file and if anybody is interested, I have a Excel based spreadsheet file that does the calcs for you. You just plug in the variables like sprocket and wheel sizes, RPM etc, and it spits out the answers.

If you upload the spreadsheet onto a file hosting site and give me the download link, I can post it as a note on the Facebook page. All credit will go to you, of course.


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PostSubject: Re: speed calculation   speed calculation Icon_minitimeMay 13th 2013, 8:41 pm

Okay- I'll see what I can do about hosting...
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