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Ralph Laughton
 Post subject: How many points...
PostPosted: Sat May 01, 2010 5:17 pm 
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...are there in a 2 inch section of a 12tpi saw?

Ralph :wink:

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Daddy Gloves
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PostPosted: Sat May 01, 2010 5:21 pm 
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25

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Rapid Roger
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PostPosted: Sat May 01, 2010 5:27 pm 
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Rog

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Lawrence
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PostPosted: Sat May 01, 2010 5:43 pm 
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Lawrence
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rwdare
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PostPosted: Sat May 01, 2010 10:00 pm 
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24. If you had said ppi the number would be 25.

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Ralph Laughton
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PostPosted: Wed May 05, 2010 4:25 pm 
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Hi all Sorry I have been out of town for a few days and the connection was a bit intermittent. I am back home now so usual service will be resumed...

Daddy gloves gets the 'point' tonight for getting 25 first - that is 23 full teeth and two halves making 25 points...

Ralph :wink:

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DennisS
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PostPosted: Thu May 06, 2010 12:50 am 
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Ralph Laughton wrote:
... 23 full teeth and two halves making 25 points...


Uh, Ralph. What am I missing?

Two halves make a one. Twenty three plus one is twenty four.

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Ralph Laughton
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PostPosted: Thu May 06, 2010 2:15 am 
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Dennis,

Half a tooth at each end of the 2 inches measured makes two half teeth at each end (2 points) plus 23 full teeth (23 points)...

...tpi is calculated from the centre of the tooth.

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