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Neat Weblink--Calculate Bolt Circle Diameter

bolt circle bolt circle diameter bolt circle calculator

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7 replies to this topic

#1 Utah Smitty OFFLINE  

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Posted March 07, 2015 - 12:25 AM

I found this link when looking for a way to calculate the bolt circle diameter for the drive flange on my Honda GX610 engine.

 

http://littlemachine..._circle_dia.php

 

You just enter the number of evenly spaced holes in the circle and the center to center distance between two adjacent holes. It works in metric and English measurements.

 

To determine the center to center distance accurately, use a dial caliper and measure the outside to outside distance between the holes, (the inside tips at the top of the calipers work good for this) then measure the circle diameter, and subtract it from your hole to hole measurement.

 

Hope you find it useful.

 

Smitty


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#2 Bill 76 ONLINE  

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Posted March 07, 2015 - 01:12 AM

Thanks Smitty,I got to print that out and put it in the garage.Someone showed me how to do it using math but it was a mind blower,this looks a ton easier. 



#3 Utah Smitty OFFLINE  

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Posted March 07, 2015 - 02:41 AM

Yeah, I know there's a way to do it with math, but this works faster.

 

Smitty



#4 KennyP ONLINE  

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Posted March 07, 2015 - 02:53 AM

Very nice calculator, Smitty! That could come in handy!



#5 ducky OFFLINE  

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Posted March 07, 2015 - 03:31 AM

Thanks Smitty! That is neat.



#6 KC9KAS OFFLINE  

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Posted March 07, 2015 - 09:40 AM

Thanks, Now I can get rid of this!

 

220px-Chinese-abacus.jpg


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#7 Utah Smitty OFFLINE  

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Posted March 07, 2015 - 12:21 PM

Thanks, Now I can get rid of this!

 

220px-Chinese-abacus.jpg

LOL!!! 

 

Smitty



#8 Utah Smitty OFFLINE  

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Posted March 07, 2015 - 12:22 PM

The other obvious advantage is in determining bolt center diameter for wheels with an odd number of holes- 3, 5, 7 :smilewink:

etc.

 

Smitty


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