ARC Measurement

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Smitty Power-User Join Date: Dec 2007 Location: Gulf Coast, USA Posts: 123	ARC Measurement 06/20/2009 4:43 PM
	I know we did this one before it was a long time ago. I need a formula for calculating DC. The arc of ADB will not be a semi circle, it will be shorter than 1/2 of a complete circle if that make sense. Smitty __________________ Smitty
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edignan Guru Join Date: Jun 2006 Location: Borrego Springs Posts: 2636 Good Answers: 62	#1 Re: ARC measurement 06/20/2009 5:32 PM
	Are you in luck! Or I should ask, did it work last time? __________________ "If you want to get somewhere else, you must run at least twice as fast as that!"
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Smitty Power-User Join Date: Dec 2007 Location: Gulf Coast, USA Posts: 123	#2 In reply to #1 Re: ARC measurement 06/20/2009 7:24 PM
	That's it. All sorts fo ugly stuff happened about 6 months back when lightning hit us and ran through the so called surge protector. One of which I lost passwords, emails and other items not backed up. That was the thread and i sorted through the suggestions to find which ones I actually understood. It needs to be just close, not dead on. thanks you for keeping such impecable records. __________________ Smitty
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edignan Guru Join Date: Jun 2006 Location: Borrego Springs Posts: 2636 Good Answers: 62	#3 In reply to #2 Re: ARC measurement 06/20/2009 7:27 PM
	Fastest search! __________________ "If you want to get somewhere else, you must run at least twice as fast as that!"
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XMech Power-User Join Date: Jan 2009 Location: Western Canada Posts: 295 Good Answers: 51	#4 In reply to #2 Re: ARC measurement 06/20/2009 9:32 PM
	"It needs to be just close, not dead on." I am not sure if you have gotten your answer, so here it is (again) IF your arc is a segment of a circle, that is, has a constant radius: Taken from the Machinery's Handbook: __________________ A little knowledge is a dangerous thing.
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edignan Guru Join Date: Jun 2006 Location: Borrego Springs Posts: 2636 Good Answers: 62	#5 In reply to #4 Re: ARC measurement 06/21/2009 8:15 AM
	Now I know what MY next purchase is. Very practical aspects of geometry! __________________ "If you want to get somewhere else, you must run at least twice as fast as that!"
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XMech Power-User Join Date: Jan 2009 Location: Western Canada Posts: 295 Good Answers: 51	#7 In reply to #5 Re: ARC measurement 06/21/2009 11:11 AM
	For sure - the Machinery's Handbook is usually the first place I turn for quick, succinct answers to most of my mensuration problems - trigonometry, areas, volumes, ....... __________________ A little knowledge is a dangerous thing.
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Smitty Power-User Join Date: Dec 2007 Location: Gulf Coast, USA Posts: 123	#6 In reply to #4 Re: ARC measurement 06/21/2009 8:41 AM
	All done and recorded. Thank you. __________________ Smitty
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Goodho Commentator Join Date: Jun 2008 Posts: 80 Good Answers: 5	#8 In reply to #4 Re: ARC measurement 07/02/2009 1:09 PM
	Nice answer, I will have to get one of those machinery handbooks.
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edignan (3); Goodho (1); Smitty (2); XMech (2)

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