DVS1 wrote:
SAY WHAT????????
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| Bad math- wheel adaptors http://www.woodsbuggy.com/phpBB3/viewtopic.php?f=26&t=7157 |
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| Author: | Dave Winterburn [ Wed Jul 15, 2009 1:09 am ] |
| Post subject: | Bad math- wheel adaptors |
I'm trying to layout wheel adaptors, but can't remember the math for an isocolese triangle. Wide 5 VW, from center to stud is 102.5mm, 72 deg. angle and 54 deg angle across to next stud. But what's the formula for figuring the distance between studs? Or you could just tell me the distance, but I would like to know formula. Adapting from Chevy 5 on 4.75", have to lay that out too. Thanks, Dave W. |
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| Author: | kybuggy1 [ Wed Jul 15, 2009 8:47 am ] |
| Post subject: | Re: Bad math- wheel adaptors |
By definition, in an isoceles triangle, the length of two sides are identical and their opposing angles are identical. The angle opposing the base will be 180 minus the sum of the two equal angles. http://www.ajdesigner.com/phptriangle/i ... eter_p.php |
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| Author: | DVS1 [ Wed Jul 15, 2009 8:52 am ] |
| Post subject: | Re: Bad math- wheel adaptors |
SAY WHAT???????? |
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| Author: | MadMike [ Wed Jul 15, 2009 9:36 pm ] |
| Post subject: | Re: Bad math- wheel adaptors |
That's correct. I'll look up the cord length for ya. |
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| Author: | kybuggy1 [ Wed Jul 15, 2009 9:45 pm ] |
| Post subject: | Re: Bad math- wheel adaptors |
DVS1 wrote: SAY WHAT????????
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| Author: | MadMike [ Thu Jul 16, 2009 8:15 pm ] |
| Post subject: | Re: Bad math- wheel adaptors |
To find the cord length on a given diameter for 4 equal spaces multliply the diameter by .70711 To find the cord length on a given diameter for 5 equal spaces multliply the diameter by .58779 So the VW wide 5 is 8.071" X .58779 = 4.744" The race wide 5 is 10.250" X .58779 = 6.0248" |
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| Author: | mudd mutt [ Fri Jul 17, 2009 11:05 pm ] |
| Post subject: | Re: Bad math- wheel adaptors |
I just punch it into my DRO and it tells me were to go lol,,,I use to figure it out with the mach handbook(not fun!) I'm getting to old for all that math lol |
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| Author: | MadMike [ Sat Jul 18, 2009 12:57 am ] |
| Post subject: | Re: Bad math- wheel adaptors |
Ya, gotta love the DRO's. I have a new 3 axis planned for my new (used) mill, all the bells and whistles. |
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| Author: | Dave Winterburn [ Sun Jul 19, 2009 2:26 pm ] |
| Post subject: | Re: Bad math- wheel adaptors |
DUH, guess I'll have to go back to school and take greek, so I can translate it! LOL. Graduated 32 yrs ago, don't remember that stuff. Anyway thanks, Some one sent me a link to a site "wheel stud location calculator" , Dave W. |
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| Author: | eggman [ Wed Jul 22, 2009 7:59 am ] |
| Post subject: | Re: Bad math- wheel adaptors |
I just punch it into autocad and send the drawing to my Bro-in-law. |
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